TK112xxA VOLTAGE REGULATOR WITH ON/OFF SWITCH FEATURES APPLICATIONS High Voltage Precision at ± 2.4% Active High On/Off Control Very Low Dropout Voltage 80 mV at 30 mA Very Low Noise Very Small SOT-23L or SOT-89-5 Surface Mount Packages ■ Internal Thermal Shutdown ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Short Circuit Protection Battery Powered Systems Cellular Telephones Pagers Personal Communications Equipment Portable Instrumentation Portable Consumer Equipment Radio Control Systems Toys Low Voltage Systems DESCRIPTION The TK112xxA is a low dropout linear regulator with a builtin electronic switch. The internal switch can be controlled by TTL or CMOS logic levels. The device is in the ON state when the control pin is pulled to a logic high level. An external capacitor can be connected to the noise bypass pin to lower the output noise level to 30 µVrms. TK112XXA CONTROL 1 6 VIN GND 2 5 GND NOISE 3 BYPASS 4 VOUT P50 An internal PNP pass transistor is used to achieve a low dropout voltage of 70 mV (typ.) at 30 mA load current. The TK112xxA has a very low quiescent current of 180 µA at no load and 1 mA with a 30 mA load. The standby current is typically 100 nA. The internal thermal shutdown circuitry limits the junction temperature to below 150 °C. The load current is internally monitored and the device will shutdown in the presence of a short circuit or overcurrent condition at the output. TK112xxA • PO The TK112xxA is available in either 6 pin SOT-23L or 5 pin SOT-89-5 surface mount packages. NOISE BYPASS 1 6 VOUT GND 2 5 GND CONTROL 3 4 VIN BLOCK DIAGRAM ORDERING INFORMATION TK112 VIN A CONTROL S S S S VOUT THERMAL PROTECTION S Tape/Reel Code S Voltage Code Package Code S – + S S S VOLTAGE CODE 20 = 2.0 V* 21 = 2.1 V 22 = 2.22 V* 25 = 2.5 V* 28 = 2.8 V* 29 = 2.9 V 30 = 3.0 V* 31 = 3.1 V* 33 = 3.3 V* 35 = 3.5 V* 36 = 3.6 V 38 = 3.8 V 40 = 4.0 V* 42 = 4.2 V 45 = 4.5 V* 48 = 4.8 V* 49 = 4.9 V 50 = 5.0 V* 55 = 5.5 V PACKAGE CODE TAPE/REEL CODE M: SOT-23L U: SOT-89-5 BX : Bulk/Bag TL : Tape Left (SOT-23L) TB : Tape Bottom (SOT-89-5) + – S S S S S BANDGAP REFERENCE S S S S S GND NOISE BYPASS * Indicates voltage is available in a SOT-89-5 package. January, 1996 TOKO, Inc. 1-4-96 Page 1 TK112xx A ABSOLUTE MAXIMUM RATINGS Operating Temperature Range ...................-30 to +80 °C Lead Soldering Temp. (3 sec.) .............................. 230 °C Junction Temperature ........................................... 150 °C Supply Voltage ......................................................... 16 V Power Dissipation SOT-23L (Note 1) ................. 400 mW Power Dissipation SOT-89-5 (Note 2) ................ 800 mW Storage Temperature Range ................... -55 to +150 °C TK11220A ELECTRICAL CHARACTERISTICS Test conditions: TA = 25 °C, VIN = 3.0 V, CP = 0.1 µF, unless otherwise specified. SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNITS 170 350 µA 0.1 µA 2.00 2.08 V IIN Quiescent Current IO = 0 mA, Except ICONT ISTBY Standby Current VIN = 8 V, at output off VO Output Voltage IO = 30 mA VDROP Dropout Voltage IO = 60 mA 0.16 0.26 V IO = 150 mA 0.29 0.4 V IO Output Current IOR Recommended Output Current Line Reg Line Regulation Load Reg Load Regulation RR VOUT = 1.7 V 1.92 180 240 mA 150 mA VIN = 3 V → 8 V 3.0 20 mV IO = 5 mA → 60 mA (Note 3) IO = 5 mA → 100 mA IO = 5 mA → 150 mA 10 20 30 50 100 160 mV mV mV Ripple Rejection 100 mV(rms), IO = 10 mA 55 dB ∆V O/∆TA Output Voltage Temperature Dependency IO = 10 mA -20 °C ≤ TA ≤ + 75 °C 0.2 mV/ °C VNO Output Noise Voltage 10 Hz < f < 80 kHz, IO = 30 mA 30 µV(rms) VREF Noise Bypass Terminal Voltage 1.25 V Control Terminal Specification ICONT Control Current Output on, VCONT = 1.8 V VCONT Control Voltage Output on 12 1.8 Note 1: Note 2: Note 3: Page 2 Output Rise Time IO = 30 mA, VCONT = 0 V → 1.8 V µA V Output off tr 30 0.6 0.3 V ms Power dissipation is 400 mW when mounted as recommended. Derate at 3.2 mW/°C for TA > 25 °C. Power dissipation is 800 mW when mounted as recommended. Derate at 6.4 mW/°C for TA > 25 °C. This is a pulse measurement where TJ is constant. The output change due to temperature is not included. 1-4-96 January, 1996 TOKO, Inc. TK112xxA TK11221A ELECTRICAL CHARACTERISTICS Test conditions: TA = 25 °C, VIN = 3.1 V, CP = 0.1 µF, unless otherwise specified. SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNITS 170 350 µA 0.1 µA 2.10 2.18 V IIN Quiescent Current IO = 0 mA, Except ICONT ISTBY Standby Current VIN = 8 V, at output off VO Output Voltage IO = 30 mA VDROP Dropout Voltage IO = 60 mA 0.16 0.26 V IO = 150 mA 0.29 0.4 V IO Output Current IOR Recommended Output Current Line Reg Line Regulation Load Reg Load Regulation RR VOUT = 1.8 V 2.02 180 240 mA 150 mA VIN = 3.1 V → 8.1 V 3.0 20 mV IO = 5 mA → 60 mA (Note 1) IO = 5 mA → 100 mA IO = 5 mA → 150 mA 10 20 30 50 100 160 mV mV mV Ripple Rejection 100 mV(rms), IO = 10 mA 55 dB ∆V O/∆TA Output Voltage Temperature Dependency VIN = 3.5 V, I O = 10 mA -20 °C ≤ TA ≤ + 75 °C 0.2 mV/ °C VNO Output Noise Voltage 10 Hz < f < 80 kHz, IO = 30 mA 30 µV(rms) VREF Noise Bypass Terminal Voltage 1.25 V Control Terminal Specification ICONT Control Current Output on, VCONT = 1.8 V VCONT Control Voltage Output on 12 1.8 Note 1: Output Rise Time IO = 30 mA, VCONT = 0 V → 1.8 V µA V Output off tr 30 0.6 0.3 V ms This is a pulse measurement where TJ is constant. The output change due to temperature is not included. January, 1996 TOKO, Inc. 1-4-96 Page 3 TK112xx A TK11222A ELECTRICAL CHARACTERISTICS Test conditions: TA = 25 °C, VIN = 3.22 V, CP = 0.1 µF, unless otherwise specified. SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNITS 170 350 µA 0.1 µA 2.22 2.3 V IIN Quiescent Current IO = 0 mA, Except ICONT ISTBY Standby Current VIN = 8 V, at output off VO Output Voltage IO = 30 mA VDROP Dropout Voltage IO = 60 mA 0.16 0.26 V IO = 150 mA 0.29 0.4 V IO Output Current IOR Recommended Output Current Line Reg Line Regulation Load Reg Load Regulation RR VOUT = 1.92 V 2.14 180 240 mA 150 mA VIN = 3.22 V → 8.22 V 3.0 20 mV IO = 5 mA → 60 mA (Note 1) IO = 5 mA → 100 mA IO = 5 mA → 150 mA 10 20 30 50 100 160 mV mV mV Ripple Rejection 100 mV(rms), IO = 10 mA 55 dB ∆V O/∆TA Output Voltage Temperature Dependency VIN = 3.72 V, I O = 10 mA -20 °C ≤ TA ≤ + 75 °C 0.05 mV/ °C VNO Output Noise Voltage 10 Hz < f < 80 kHz, IO = 30 mA 30 µV(rms) VREF Noise Bypass Terminal Voltage 1.25 V Control Terminal Specification ICONT Control Current Output on, VCONT = 1.8 V VCONT Control Voltage Output on 12 1.8 Note 1: Page 4 Output Rise Time IO = 30 mA, VCONT = 0 V → 1.8 V µA V Output off tr 30 0.6 0.3 V ms This is a pulse measurement where T J is constant. The output change due to temperature is not included. 1-4-96 January, 1996 TOKO, Inc. TK112xxA TK11225A ELECTRICAL CHARACTERISTICS Test conditions: TA = 25 °C, VIN = 3.5 V, CP = 0.1 µF, unless otherwise specified. SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNITS 170 350 µA 0.1 µA 2.50 2.58 V IIN Quiescent Current IO = 0 mA, Except ICONT ISTBY Standby Current VIN = 8 V, at output off VO Output Voltage IO = 30 mA VDROP Dropout Voltage IO = 60 mA 0.16 0.26 V IO = 150 mA 0.29 0.4 V IO Output Current IOR Recommended Output Current Line Reg Line Regulation Load Reg Load Regulation RR VOUT = 2.2 V 2.42 180 240 mA 150 mA VIN = 3.5 V → 8.5 V (Note 1) 3.0 20 mV IO = 5 mA → 60 mA IO = 5 mA → 100 mA IO = 5 mA → 150 mA 10 20 30 50 100 160 mV mV mV Ripple Rejection 100 mV(rms), IO = 10 mA 55 dB ∆V O/∆TA Output Voltage Temperature Dependency VIN = 4.0 V, I O = 10 mA -20 °C ≤ TA ≤ + 75 °C 0.05 mV/ °C VNO Output Noise Voltage 10 Hz < f < 80 kHz, IO = 30 mA 30 µV(rms) VREF Noise Bypass Terminal Voltage 1.25 V Control Terminal Specification ICONT Control Current Output on, VCONT = 1.8 V VCONT Control Voltage Output on 12 1.8 Note 1: Output Rise Time IO = 30 mA, VCONT = 0 V → 1.8 V µA V Output off tr 30 0.6 0.3 V ms This is a pulse measurement where TJ is constant. The output change due to temperature is not included. January, 1996 TOKO, Inc. 1-4-96 Page 5 TK112xx A TK11228A ELECTRICAL CHARACTERISTICS Test conditions: TA = 25 °C, VIN = 3.8 V, CP = 0.1 µF, unless otherwise specified. SYMBOL PARAMETER TEST CONDITIONS IIN Quiescent Current IO = 0 mA, Except ICONT ISTBY Standby Current VIN = 8 V, at output off VO Output Voltage IO = 30 mA VDROP Dropout Voltage IO = 60 mA IO = 150 mA IO Output Current VOUT = 2.5 V IOR Recommended Output Current Line Reg Line Regulation VIN = 3.8 V → 8.8 V Load Reg Load Regulation RR MIN 2.72 180 TYP MAX UNITS 170 350 µA 0.1 µA 2.80 2.88 V 0.16 0.29 0.26 0.4 V V 240 mA 150 mA 3.0 20 mV IO = 5 mA → 60 mA (Note 1) IO = 5 mA → 100 mA IO = 5 mA → 150 mA 10 20 30 50 100 160 mV mV mV Ripple Rejection 100 mV(rms), IO = 10 mA 55 dB ∆VO/∆TA Output Voltage Temperature Dependency VIN = 4.3 V, IO = 10 mA -20 °C ≤ TA ≤ + 75 °C 0.05 mV/ °C VNO Output Noise Voltage 10 Hz < f < 80 kHz, IO = 30 mA 30 µV(rms) VREF Noise Bypass Terminal Voltage 1.25 V Control Terminal Specification ICONT Control Current Output on, VCONT = 1.8 V VCONT Control Voltage Output on 12 1.8 Note 1: Page 6 Output Rise Time IO = 30 mA, VCONT = 0 V → 1.8 V µA V Output off tr 30 0.6 0.3 V ms This is a pulse measurement where T J is constant. The output change due to temperature is not included. 1-4-96 January, 1996 TOKO, Inc. TK112xxA TK11229A ELECTRICAL CHARACTERISTICS Test conditions: TA = 25 °C, VIN = 3.9 V, CP = 0.1 µF, unless otherwise specified. SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNITS 170 350 µA 0.1 µA 2.90 2.98 V IIN Quiescent Current IO = 0 mA, Except ICONT ISTBY Standby Current VIN = 8 V, at output off VO Output Voltage IO = 30 mA VDROP Dropout Voltage IO = 60 mA 0.16 0.26 V IO = 150 mA 0.29 0.4 V VOUT = 2.6 V 240 IO Output Current IOR Recommended Output Current Line Reg Line Regulation Load Reg Load Regulation RR 2.82 mA 150 mA VIN = 3.9 V → 8.9 V 3.0 20 mV IO = 5 mA → 60 mA (Note 1) IO = 5 mA → 100 mA IO = 5 mA → 150 mA 10 20 30 50 100 160 mV mV mV Ripple Rejection 100 mV(rms), IO = 10 mA 55 dB ∆V O/∆TA Output Voltage Temperature Dependency VIN = 4.4 V, I O = 10 mA -20 °C ≤ TA ≤ + 75 °C 0.05 mV/ °C VNO Output Noise Voltage 10 Hz < f < 80 kHz, IO = 30 mA 30 µV(rms) VREF Noise Bypass Terminal Voltage 1.25 V Control Terminal Specification ICONT Control Current Output on, VCONT = 1.8 V VCONT Control Voltage Output on 12 1.8 Note 1: Output Rise Time IO = 30 mA, VCONT = 0 V → 1.8 V µA V Output off tr 30 0.6 0.3 V ms This is a pulse measurement where TJ is constant. The output change due to temperature is not included. January, 1996 TOKO, Inc. 1-4-96 Page 7 TK112xx A TK11230A ELECTRICAL CHARACTERISTICS Test conditions: TA = 25 °C, VIN = 4.0 V, CP = 0.1 µF, unless otherwise specified. SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNITS 170 350 µA 0.1 µA 3.00 3.08 V IIN Quiescent Current IO = 0 mA, Except ICONT ISTBY Standby Current VIN = 8 V, at output off VO Output Voltage IO = 30 mA VDROP Dropout Voltage IO = 60 mA 0.16 0.26 V IO = 150 mA 0.29 0.4 V IO Output Current IOR Recommended Output Current Line Reg Line Regulation Load Reg Load Regulation RR VOUT = 2.7 V 2.92 180 240 mA 150 mA VIN = 4 V → 9 V 3.0 20 mV IO = 5 mA → 60 mA (Note 1) IO = 5 mA → 100 mA IO = 5 mA → 150 mA 10 20 30 50 100 160 mV mV mV Ripple Rejection 100 mV(rms), IO = 10 mA 55 dB ∆VO/∆TA Output Voltage Temperature Dependency VIN = 4.5 V, IO = 10 mA -20 °C ≤ TA ≤ + 75 °C 0.05 mV/ °C VNO Output Noise Voltage 10 Hz < f < 80 kHz, IO = 30 mA 30 µV(rms) VREF Noise Bypass Terminal Voltage 1.25 V Control Terminal Specification ICONT Control Current Output on, VCONT = 1.8 V VCONT Control Voltage Output on 12 1.8 Note 1: Page 8 Output Rise Time IO = 30 mA, VCONT = 0 V → 1.8 V µA V Output off tr 30 0.6 0.3 V ms This is a pulse measurement where T J is constant. The output change due to temperature is not included. 1-4-96 January, 1996 TOKO, Inc. TK112xxA TK11231A ELECTRICAL CHARACTERISTICS Test conditions: TA = 25 °C, VIN = 4.1 V, CP = 0.1 µF, unless otherwise specified. SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNITS 170 350 µA 0.1 µA 3.10 3.18 V IIN Quiescent Current IO = 0 mA, Except ICONT ISTBY Standby Current VIN = 8 V, at output off VO Output Voltage IO = 30 mA VDROP Dropout Voltage IO = 60 mA 0.16 0.26 V IO = 150 mA 0.29 0.4 V IO Output Current IOR Recommended Output Current Line Reg Line Regulation Load Reg Load Regulation RR VOUT = 2.8 V 3.02 180 240 mA 150 mA VIN = 4.1 V → 9.1 V 3.0 20 mV IO = 5 mA → 60 mA (Note 1) IO = 5 mA → 100 mA IO = 5 mA → 150 mA 10 20 30 50 100 160 mV mV mV Ripple Rejection 100 mV(rms), IO = 10 mA 55 dB ∆V O/∆TA Output Voltage Temperature Dependency VIN = 4.6 V, I O = 10 mA -20 °C ≤ TA ≤ + 75 °C 0.05 mV/ °C VNO Output Noise Voltage 10 Hz < f < 80 kHz, IO = 30 mA 30 µV(rms) VREF Noise Bypass Terminal Voltage 1.25 V Control Terminal Specification ICONT Control Current Output on, VCONT = 1.8 V VCONT Control Voltage Output on 12 1.8 Note 1: Output Rise Time IO = 30 mA, VCONT = 0 V → 1.8 V µA V Output off tr 30 0.6 0.3 V ms This is a pulse measurement where TJ is constant. The output change due to temperature is not included. January, 1996 TOKO, Inc. 1-4-96 Page 9 TK112xx A TK11233A ELECTRICAL CHARACTERISTICS Test conditions: TA = 25 °C, VIN = 4.3 V, CP = 0.1 µF, unless otherwise specified. SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNITS 170 350 µA 0.1 µA 3.30 3.38 V IIN Quiescent Current IO = 0 mA, Except ICONT ISTBY Standby Current VIN = 8 V, at output off VO Output Voltage IO = 30 mA VDROP Dropout Voltage IO = 60 mA 0.16 0.26 V IO = 150 mA 0.29 0.4 V IO Output Current VOUT = 3 V IOR Recommended Output Current Line Reg Line Regulation VIN = 4.3 V → 9.3 V Load Reg Load Regulation RR 3.22 180 240 mA 150 mA 3.0 20 mV IO = 5 mA → 60 mA (Note 1) IO = 5 mA → 100 mA IO = 5 mA → 150 mA 10 20 30 50 100 160 mV mV mV Ripple Rejection 100 mV(rms), IO = 10 mA 55 dB ∆V O/∆TA Output Voltage Temperature Dependency VIN = 4.8 V, IO = 10 mA -20 °C ≤ TA ≤ + 75 °C 0.05 mV/ °C VNO Output Noise Voltage 10 Hz < f < 80 kHz, IO = 30 mA 30 µV(rms) VREF Noise Bypass Terminal Voltage 1.25 V Control Terminal Specification ICONT Control Current Output on, VCONT = 1.8 V VCONT Control Voltage Output on 12 1.8 Note 1: Page 10 Output Rise Time IO = 30 mA, VCONT = 0 V → 1.8 V µA V Output off tr 30 0.6 0.3 V ms This is a pulse measurement where T J is constant. The output change due to temperature is not included. 1-4-96 January, 1996 TOKO, Inc. TK112xxA TK11235A ELECTRICAL CHARACTERISTICS Test conditions: TA = 25 °C, VIN = 4.5 V, CP = 0.1 µF, unless otherwise specified. SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNITS 170 350 µA 0.1 µA 3.50 3.58 V IIN Quiescent Current IO = 0 mA, Except ICONT ISTBY Standby Current VIN = 8 V, at output off VO Output Voltage IO = 30 mA VDROP Dropout Voltage IO = 60 mA 0.16 0.26 V IO = 150 mA 0.29 0.4 V IO Output Current IOR Recommended Output Current Line Reg Line Regulation Load Reg Load Regulation RR VOUT = 3.2 V 3.42 180 240 mA 150 mA VIN = 4.5 V → 9.5 V 3.0 20 mV IO = 5 mA → 60 mA (Note 1) IO = 5 mA → 100 mA IO = 5 mA → 150 mA 10 20 30 50 100 160 mV mV mV Ripple Rejection 100 mV(rms), IO = 10 mA 55 dB ∆V O/∆TA Output Voltage Temperature Dependency VIN = 5 V, IO = 10 mA -20 °C ≤ TA ≤ + 75 °C 0.05 mV/ °C VNO Output Noise Voltage 10 Hz < f < 80 kHz, IO = 30 mA 30 µV(rms) VREF Noise Bypass Terminal Voltage 1.25 V Control Terminal Specification ICONT Control Current Output on, VCONT = 1.8 V VCONT Control Voltage Output on 12 1.8 Note 1: Output Rise Time IO = 30 mA, VCONT = 0 V → 1.8 V µA V Output off tr 30 0.6 0.3 V ms This is a pulse measurement where TJ is constant. The output change due to temperature is not included. January, 1996 TOKO, Inc. 1-4-96 Page 11 TK112xx A TK11236A ELECTRICAL CHARACTERISTICS Test conditions: TA = 25 °C, VIN = 4.6 V, CP = 0.1 µF, unless otherwise specified. SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNITS 170 350 µA 0.1 µA 3.60 369 V IIN Quiescent Current IO = 0 mA, Except ICONT ISTBY Standby Current VIN = 8 V, at output off VO Output Voltage IO = 30 mA VDROP Dropout Voltage IO = 60 mA 0.16 0.26 V IO = 150 mA 0.29 0.4 V IO Output Current VOUT = 3.3 V IOR Recommended Output Current Line Reg Line Regulation VIN = 3.6 V → 9.6 V Load Reg Load Regulation RR 3.51 180 240 mA 150 mA 3.0 20 mV IO = 5 mA → 60 mA (Note 1) IO = 5 mA → 100 mA IO = 5 mA → 150 mA 10 20 30 50 100 160 mV mV mV Ripple Rejection 100 mV(rms), IO = 10 mA 55 dB ∆V O/∆TA Output Voltage Temperature Dependency VIN = 5.3 V, IO = 10 mA -20 °C ≤ TA ≤ + 75 °C 0.1 mV/ °C VNO Output Noise Voltage 10 Hz < f < 80 kHz, IO = 30 mA 30 µV(rms) VREF Noise Bypass Terminal Voltage 1.25 V Control Terminal Specification ICONT Control Current Output on, VCONT = 1.8 V VCONT Control Voltage Output on 12 1.8 Note 1: Page 12 Output Rise Time IO = 30 mA, VCONT = 0 V → 1.8 V µA V Output off tr 30 0.6 0.3 V ms This is a pulse measurement where T J is constant. The output change due to temperature is not included. 1-4-96 January, 1996 TOKO, Inc. TK112xxA TK11238A ELECTRICAL CHARACTERISTICS Test conditions: TA = 25 °C, VIN = 4.8 V, CP = 0.1 µF, unless otherwise specified. SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNITS 170 350 µA 0.1 µA 3.80 3.89 V IIN Quiescent Current IO = 0 mA, Except ICONT ISTBY Standby Current VIN = 8 V, at output off VO Output Voltage IO = 30 mA VDROP Dropout Voltage IO = 60 mA 0.16 0.26 V IO = 150 mA 0.29 0.4 V IO Output Current VOUT = 3.5 V IOR Recommended Output Current Line Reg Line Regulation VIN = 4.8 V → 9.8 V Load Reg Load Regulation RR 3.71 180 240 mA 150 mA 3.0 20 mV IO = 5 mA → 60 mA (Note 1) IO = 5 mA → 100 mA IO = 5 mA → 150 mA 10 20 30 50 100 160 mV mV mV Ripple Rejection 100 mV(rms), IO = 10 mA 55 dB ∆VO/∆TA Output Voltage Temperature Dependency VIN = 5.3 V, IO = 10 mA -20 °C ≤ TA ≤ + 75 °C 0.1 mV/ °C VNO Output Noise Voltage 10 Hz < f < 80 kHz, IO = 30 mA 30 µV(rms) VREF Noise Bypass Terminal Voltage 1.25 V Control Terminal Specification ICONT Control Current Output on, VCONT = 1.8 V VCONT Control Voltage Output on 12 1.8 Note 1: Output Rise Time IO = 30 mA, VCONT = 0 V → 1.8 V µA V Output off tr 30 0.6 0.3 V ms This is a pulse measurement where TJ is constant. The output change due to temperature is not included. January, 1996 TOKO, Inc. 1-4-96 Page 13 TK112xx A TK11240A ELECTRICAL CHARACTERISTICS Test conditions: TA = 25 °C, VIN = 5.0 V, CP = 0.1 µF, unless otherwise specified. SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNITS 170 350 µA 0.1 µA 4.00 4.10 V IIN Quiescent Current IO = 0 mA, Except ICONT ISTBY Standby Current VIN = 8 V, at output off VO Output Voltage IO = 30 mA VDROP Dropout Voltage IO = 60 mA 0.16 0.26 V IO = 150 mA 0.29 0.4 V IO Output Current VOUT = 3.7 V IOR Recommended Output Current Line Reg Line Regulation VIN = 5 V → 10 V Load Reg Load Regulation RR 3.90 180 240 mA 150 mA 3.0 20 mV IO = 5 mA → 60 mA (Note 1) IO = 5 mA → 100 mA IO = 5 mA → 150 mA 10 20 30 50 100 160 mV mV mV Ripple Rejection 100 mV(rms), IO = 10 mA 55 dB ∆V O/∆TA Output Voltage Temperature Dependency VIN = 5.5 V, I O = 10 mA -20 °C ≤ TA ≤ + 75 °C 0.1 mV/ °C VNO Output Noise Voltage 10 Hz < f < 80 kHz, IO = 30 mA 40 µV(rms) VREF Noise Bypass Terminal Voltage 1.25 V Control Terminal Specification ICONT Control Current Output on, VCONT = 1.8 V VCONT Control Voltage Output on 12 1.8 Note 1: Page 14 Output Rise Time IO = 30 mA, VCONT = 0 V → 1.8 V µA V Output off tr 30 0.6 0.3 V ms This is a pulse measurement where T J is constant. The output change due to temperature is not included. 1-4-96 January, 1996 TOKO, Inc. TK112xxA TK11242A ELECTRICAL CHARACTERISTICS Test conditions: TA = 25 °C, VIN = 5.2 V, CP = 0.1 µF, unless otherwise specified. SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNITS 170 350 µA 0.1 µA 4.20 4.30 V IIN Quiescent Current IO = 0 mA, Except ICONT ISTBY Standby Current VIN = 8 V, at output off VO Output Voltage IO = 30 mA VDROP Dropout Voltage IO = 60 mA 0.16 0.26 V IO = 150 mA 0.29 0.4 V VOUT = 3.9 V 240 IO Output Current IOR Recommended Output Current Line Reg Line Regulation VIN = 5.2 V → 10.2 V Load Reg Load Regulation RR 4.10 mA 150 mA 3.0 20 mV IO = 5 mA → 60 mA (Note 1) IO = 5 mA → 100 mA IO = 5 mA → 150 mA 10 20 30 50 100 160 mV mV mV Ripple Rejection 100 mV(rms), IO = 10 mA 55 dB ∆V O/∆TA Output Voltage Temperature Dependency VIN = 5.7 V, I O = 10 mA -20 °C ≤ TA ≤ + 75 °C 0.1 mV/ °C VNO Output Noise Voltage 10 Hz < f < 80 kHz, IO = 30 mA 40 µV(rms) VREF Noise Bypass Terminal Voltage 1.25 V Control Terminal Specification ICONT Control Current Output on, VCONT = 1.8 V VCONT Control Voltage Output on 12 1.8 Note 1: Output Rise Time IO = 30 mA, VCONT = 0 V → 1.8 V µA V Output off tr 30 0.6 0.3 V ms This is a pulse measurement where TJ is constant. The output change due to temperature is not included. January, 1996 TOKO, Inc. 1-4-96 Page 15 TK112xx A TK11245A ELECTRICAL CHARACTERISTICS Test conditions: TA = 25 °C, VIN = 5.5 V, CP = 0.1 µF, unless otherwise specified. SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNITS 170 350 µA 0.1 µA 4.50 4.61 V IIN Quiescent Current IO = 0 mA, Except ICONT ISTBY Standby Current VIN = 8 V, at output off VO Output Voltage IO = 30 mA VDROP Dropout Voltage IO = 60 mA 0.16 0.26 V IO = 150 mA 0.29 0.4 V IO Output Current IOR Recommended Output Current Line Reg Line Regulation Load Reg Load Regulation RR VOUT = 4.2 V 4.39 180 240 mA 150 mA VIN = 5 V → 10 V 3.0 20 mV IO = 5 mA → 60 mA (Note 1) IO = 5 mA → 100 mA IO = 5 mA → 150 mA 10 20 30 50 100 160 mV mV mV Ripple Rejection 100 mV(rms), IO = 10 mA 55 dB ∆V O/∆TA Output Voltage Temperature Dependency VIN = 6 V, IO = 10 mA -20 °C ≤ TA ≤ + 75 °C 0.1 mV/ °C VNO Output Noise Voltage 10 Hz < f < 80 kHz, IO = 30 mA 40 µV(rms) VREF Noise Bypass Terminal Voltage 1.25 V Control Terminal Specification ICONT Control Current Output on, VCONT = 1.8 V VCONT Control Voltage Output on 12 1.8 Note 1: Page 16 Output Rise Time IO = 30 mA, VCONT = 0 V → 1.8 V µA V Output off tr 30 0.6 0.3 V ms This is a pulse measurement where T J is constant. The output change due to temperature is not included. 1-4-96 January, 1996 TOKO, Inc. TK112xxA TK11248A ELECTRICAL CHARACTERISTICS Test conditions: TA = 25 °C, VIN = 5.8 V, CP = 0.1 µF, unless otherwise specified. SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNITS 170 350 µA 0.1 µA 4.80 4.92 V IIN Quiescent Current IO = 0 mA, Except ICONT ISTBY Standby Current VIN = 8 V, at output off VO Output Voltage IO = 30 mA VDROP Dropout Voltage IO = 60 mA 0.16 0.26 V IO = 150 mA 0.29 0.4 V IO Output Current VOUT = 4.5 V IOR Recommended Output Current Line Reg Line Regulation VIN = 5.8 V → 10.8 V Load Reg Load Regulation RR 4.68 180 240 mA 150 mA 3.0 20 mV IO = 5 mA → 60 mA (Note 1) IO = 5 mA → 100 mA IO = 5 mA → 150 mA 10 20 30 50 100 160 mV mV mV Ripple Rejection 100 mV(rms), IO = 10 mA 55 dB ∆V O/∆TA Output Voltage Temperature Dependency VIN = 6.3 V, I O = 10 mA -20 °C ≤ TA ≤ + 75 °C 0.1 mV/ °C VNO Output Noise Voltage 10 Hz < f < 80 kHz, IO = 30 mA 40 µV(rms) VREF Noise Bypass Terminal Voltage 1.25 V Control Terminal Specification ICONT Control Current Output on, VCONT = 1.8 V VCONT Control Voltage Output on 12 1.8 Note 1: Output Rise Time IO = 30 mA, VCONT = 0 V → 1.8 V µA V Output off tr 30 0.6 0.3 V ms This is a pulse measurement where TJ is constant. The output change due to temperature is not included. January, 1996 TOKO, Inc. 1-4-96 Page 17 TK112xx A TK11249A ELECTRICAL CHARACTERISTICS Test conditions: TA = 25 °C, VIN = 5.9 V, CP = 0.1 µF, unless otherwise specified. SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNITS 170 350 µA 0.1 µA 4.90 5.02 V IIN Quiescent Current IO = 0 mA, Except ICONT ISTBY Standby Current VIN = 8 V, at output off VO Output Voltage IO = 30 mA VDROP Dropout Voltage IO = 60 mA 0.16 0.26 V IO = 150 mA 0.29 0.4 V IO Output Current IOR Recommended Output Current Line Reg Line Regulation Load Reg Load Regulation RR VOUT = 4.6 V 4.78 180 240 mA 150 mA VIN = 5.9 V → 10.9 V 3.0 20 mV IO = 5 mA → 60 mA (Note 1) IO = 5 mA → 100 mA IO = 5 mA → 150 mA 10 20 30 50 100 160 mV mV mV Ripple Rejection 100 mV(rms), IO = 10 mA 55 dB ∆V O/∆TA Output Voltage Temperature Dependency VIN = 6.4 V, IO = 10 mA -20 °C ≤ TA ≤ + 75 °C 0.2 mV/ °C VNO Output Noise Voltage 10 Hz < f < 80 kHz, IO = 30 mA 40 µV(rms) VREF Noise Bypass Terminal Voltage 1.25 V Control Terminal Specification ICONT Control Current Output on, VCONT = 1.8 V VCONT Control Voltage Output on 12 1.8 Note 1: Page 18 Output Rise Time IO = 30 mA, VCONT = 0 V → 1.8 V µA V Output off tr 30 0.6 0.3 V ms This is a pulse measurement where T J is constant. The output change due to temperature is not included. 1-4-96 January, 1996 TOKO, Inc. TK112xxA TK11250A ELECTRICAL CHARACTERISTICS Test conditions: TA = 25 °C, VIN = 6.0 V, CP = 0.1 µF, unless otherwise specified. SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNITS 170 350 µA 0.1 µA 5.00 5.12 V IIN Quiescent Current IO = 0 mA, Except ICONT ISTBY Standby Current VIN = 8 V, at output off VO Output Voltage IO = 30 mA VDROP Dropout Voltage IO = 60 mA 0.16 0.26 V IO = 150 mA 0.29 0.4 V IO Output Current IOR Recommended Output Current Line Reg Line Regulation Load Reg Load Regulation RR VOUT = 4.7 V 4.88 180 240 mA 150 mA VIN = 6 V → 11 V 3.0 20 mV IO = 5 mA → 60 mA (Note 1) IO = 5 mA → 100 mA IO = 5 mA → 150 mA 10 20 30 50 100 160 mV mV mV Ripple Rejection 100 mV(rms), IO = 10 mA 55 dB ∆V O/∆TA Output Voltage Temperature Dependency VIN = 6.5 V, I O = 10 mA -20 °C ≤ TA ≤ + 75 °C 0.2 mV/ °C VNO Output Noise Voltage 10 Hz < f < 80 kHz, IO = 30 mA 50 µV(rms) VREF Noise Bypass Terminal Voltage 1.25 V Control Terminal Specification ICONT Control Current Output on, VCONT = 1.8 V VCONT Control Voltage Output on 12 1.8 Note 1: Output Rise Time IO = 30 mA, VCONT = 0 V → 1.8 V µA V Output off tr 30 0.6 0.3 V ms This is a pulse measurement where TJ is constant. The output change due to temperature is not included. January, 1996 TOKO, Inc. 1-4-96 Page 19 TK112xx A TK11255A ELECTRICAL CHARACTERISTICS Test conditions: TA = 25 °C, VIN = 6.5 V, CP = 0.1 µF, unless otherwise specified. SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNITS 170 350 µA 0.1 µA 5.5 5.63 V IIN Quiescent Current IO = 0 mA, Except ICONT ISTBY Standby Current VIN = 8 V, at output off VO Output Voltage IO = 30 mA VDROP Dropout Voltage IO = 60 mA 0.16 0.26 V IO = 150 mA 0.29 0.4 V IO Output Current VOUT = 5.2 V IOR Recommended Output Current Line Reg Line Regulation VIN = 6.5 V → 11.5 V Load Reg Load Regulation RR 5.36 180 240 mA 150 mA 3.0 20 mV IO = 5 mA → 60 mA (Note 1) IO = 5 mA → 100 mA IO = 5 mA → 150 mA 10 20 30 50 100 160 mV mV mV Ripple Rejection 100 mV(rms), IO = 10 mA 55 dB ∆V O/∆TA Output Voltage Temperature Dependency VIN = 7 V, IO = 10 mA -20 °C ≤ TA ≤ + 75 °C 0.2 mV/ °C VNO Output Noise Voltage 10 Hz < f < 80 kHz, IO = 30 mA 50 µV(rms) VREF Noise Bypass Terminal Voltage 1.25 V Control Terminal Specification ICONT Control Current Output on, VCONT = 1.8 V VCONT Control Voltage Output on 12 1.8 Note 1: Page 20 Output Rise Time IO = 30 mA, VCONT = 0 V → 1.8 V µA V Output off tr 30 0.6 0.3 V ms This is a pulse measurement where T J is constant. The output change due to temperature is not included. 1-4-96 January, 1996 TOKO, Inc. TK112xxA TEST CIRCUITS SOT-23L SOT-89-5 I IN V IN A + _ S S 0.1 µF + V IN VO 6 5 4 1 2 3 CONT CONT S A + VO S 2.2 µF VO S IO V + + 6 5 4 1 2 3 A S 2.2 µF NOISE BYPASS NOISE BYPASS 0.1 µF V IN Cont + CP + 1µF S V + _ V CONT •Pin 5 is heat fin Contact to GND V OUT 112XXA Rs VIN I CONT A Transient Response V + _ 0.1 µF CONT 0.1 µF I CONT + _ IO V I IN VIN S V IN CL = .22 t o 10 µ F 0.1 µ F TYPICAL PERFORMANCE CHARACTERISTICS TA = 25 °C unless otherwise specified LOAD REGULATION SUPPLY VOLTAGE vs. INPUT CURRENT (NO LOAD) LINE REGULATION 20 mV/Div 50 mV/Div V O 2 ICC (mA) VO (V) VO (V) V O 1 3V 4V 5V 2V 0 50 100 IO (mA) 150 0 10 VCC (V) 1 QUIESCENT CURRENT vs. LOAD CURRENT 0 20 5 VCC (V) 2 79 DROPOUT VOLTAGE vs. LOAD CURRENT OUTPUT VOLTAGE vs. INPUT VOLTAGE 50 IOmV/Div = 0 mA 20 10 TA = 25 °C 500 400 10 VDROP (mV) VOUT IQ (mA) IO = 30 mA IO = 60 mA IO = 90 mA 100 IO (mA) January, 1996 TOKO, Inc. 200 VCC 4 50 mV/Div 0 5 1-4-96 200 100 VCC = VOUT 0 300 100 IO (mA) 200 6 Page 21 TK112xx A TYPICAL PERFORMANCE CHARACTERISTICS (CONT.) TA = 25 °C unless otherwise specified CONTROL CURRENT vs. CONTROL VOLTAGE SHORT CURRENT vs. OUTPUT VOLTAGE TA = 25 °C 50 5 QUIESCENT CURRENT vs. INPUT VOLTAGE (OFF) 5V 40 ICONT (µ A) 4V 3 3V 2 RC = 0 RC = 10 k RC = 50 k 30 500 RC = 100 k 20 2V RC = 0 RC = 10 k RC = 50 k 10 1 TA = 25 °C 1000 IQ (pA) 4 VO (V) V O RC = 100 k 0 150 IO (mA) –2 –3 –4 –1 VC(ON) = VCC – VCONT (V) 0 300 80 NOISE LEVEL vs. FREQUENCY –5 0 10 VCC (V) 8 RIPPLE REJECTION vs. FREQUENCY 9 LINE TRANSIENT RESPONSE 0 TA = 25 °C 20 50 µ s/Div (VO+2)V (VO+1)V VCC -50 (dB) NOISE (dB) CL = 0.22 µ F CL = 3.3 µ F, CP = 0 CP = 1000 pF -50 VO CL = 3.3 µ F, CP = 0.01 µ F -100 Analyze r 0 500 k FREQUENCY (Hz) 1M -100 100 11 LOAD TRANSIENT RESPONSE CL = 2.2 µ F CP = 0.01 µ F 1k 10 k FREQUENCY (Hz) 100 k 13 12 NOISE LEVEL vs. BYPASS CAPACITOR OUTPUT VOLTAGE RESPONSE (OFF ON) 5 µ s/Div 50 µ s/Div 100 mA 10 mV/Div IO = 60 mA 250 CL = 22 µ F SD 50 mA CL = 1.0 µ F VO CL = 0.22 µ F CL = 0.22 µ F VO VO = 5 V 200 CL = 0.68 µ F VDROP (mV) IO VO = 2 V 150 100 CL = 2.2 µ F CL = 10 µ F 50 50 mV/Div VO = 2 V CL = 2.2 µ F 14 Page 22 VO = 5 V CL = 1000 pF 1-4-96 IO = 60 mA 15 1pF 10pF 100pF 1000pF 0.01µ F 0.1µ F CP 16 January, 1996 TOKO, Inc. TK112xxA TYPICAL PERFORMANCE CHARACTERISTICS (CONT.) TA = 25 °C unless otherwise specified DROPOUT VOLTAGE vs. TEMPERATURE CONTROL CURRENT vs. TEMPERATURE 500 50 4 400 40 3 2 IO = 60 mA 1 0 -50 300 IO = 100 mA 200 100 IO = 30 mA 100 0 50 TEMPERATURE (°C) 17 VCONT = 5 V 30 VCONT = 2.4 V 20 10 IO = 30 mA 0 -50 CONTROL VOLTAGE THRESHOLD vs. TEMPERATURE 0 50 TEMPERATURE (°C) 0 100 -50 0 50 TEMPERATURE (°C) 18 OUTPUT CURRENT vs. TEMPERATURE 100 19 OUTPUT VOLTAGE VARIATION 280 RC = 0 2.0 ICONT (µ A) 5 VDROP (mV) IQ (mA) QUIESCENT CURRENT vs. TEMPERATURE 10 mV/Div + VCONT (V) IO (mA) 260 1.0 240 5V 0 2V 220 3V 4V 200 – 0 0 -50 0 50 TEMPERATURE (°C) -50 100 20 0 50 TEMPERATURE (°C) 100 -50 21 0 50 TEMPERATURE (°C) 100 81 TK11220A TA = 25 °C 5 OUTPUT VOLTAGE CHANGE vs. TEMPERATURE INPUT CURRENT vs. INPUT VOLTAGE (NO LOAD) OUTPUT VOLTAGE vs. LOAD CURRENT +50 mV 2 ∆VO (V) 3 ICC (mA) VO (V) 4 1 0 2 1 -50 mV 0 150 IO (mA) January, 1996 TOKO, Inc. 300 26 0 5 VCC (V) 1-4-96 10 -50 0 50 TEMPERATURE (°C) 100 27 25 Page 23 TK112xx A TYPICAL PERFORMANCE CHARACTERISTICS (CONT.) TA = 25 °C unless otherwise specified TK11221A INPUT CURRENT vs. INPUT VOLTAGE (NO LOAD) OUTPUT VOLTAGE vs. LOAD CURRENT TA = 25 °C 5 OUTPUT VOLTAGE CHANGE vs. TEMPERATURE 2 +50 mV ∆VO (V) 3 ICC (mA) VO (V) 4 1 0 2 1 -50 mV 0 150 IO (mA) 0 300 5 VCC (V) 52 10 -50 53 0 50 TEMPERATURE (°C) 100 54 TK11222A INPUT CURRENT vs. INPUT VOLTAGE (NO LOAD) OUTPUT VOLTAGE vs. LOAD CURRENT TA = 25 °C 5 OUTPUT VOLTAGE CHANGE vs. TEMPERATURE 2 +50 mV ∆VO (V) 3 ICC (mA) VO (V) 4 1 2 0 1 0 150 IO (mA) 0 300 5 VCC (V) 55 -50 mV 10 -50 56 0 50 TEMPERATURE (°C) 100 57 TK11225A TA = 25 °C 5 OUTPUT VOLTAGE CHANGE vs. TEMPERATURE INPUT CURRENT vs. INPUT VOLTAGE (NO LOAD) OUTPUT VOLTAGE vs. LOAD CURRENT +50 mV 2 ∆VOUT (V) 3 ICC (mA) VO (V) 4 1 0 2 1 -50 mV 0 Page 24 150 IO (mA) 300 29 0 5 VCC (V) 1-4-96 10 28 -50 0 50 TEMPERATURE (°C) 100 30 January, 1996 TOKO, Inc. TK112xxA TYPICAL PERFORMANCE CHARACTERISTICS (CONT.) TA = 25 °C unless otherwise specified TK11228A INPUT CURRENT vs. INPUT VOLTAGE (NO LOAD) OUTPUT VOLTAGE vs. LOAD CURRENT TA = 25 °C 5 OUTPUT VOLTAGE CHANGE vs. TEMPERATURE 2 +50 mV ∆VO (V) 3 ICC (mA) VO (V) 4 1 2 0 1 -50 mV 0 150 IO (mA) 300 0 5 VCC (V) 59 -50 10 0 50 TEMPERATURE (°C) 58 100 60 TK11229A INPUT CURRENT vs. INPUT VOLTAGE (NO LOAD) OUTPUT VOLTAGE vs. LOAD CURRENT TA = 25 °C 5 OUTPUT VOLTAGE CHANGE vs. TEMPERATURE 2 +50 mV 10 mV/Div ∆VO (V) 3 ICC (mA) VO (V) 4 1 2 0 1 -50 mV 0 150 IO (mA) 300 0 5 VCC (V) 61 -50 10 62 TK11230A TA = 25 °C 5 100 63 OUTPUT VOLTAGE CHANGE vs. TEMPERATURE INPUT CURRENT vs. INPUT VOLTAGE (NO LOAD) OUTPUT VOLTAGE vs. LOAD CURRENT 0 50 TEMPERATURE (°C) +50 mV 2 10 mV/Div ∆VO (V) 3 ICC (mA) VO (V) 4 1 0 2 1 -50 mV 0 150 IO (mA) January, 1996 TOKO, Inc. 300 32 0 5 VCC (V) 1-4-96 10 31 -50 0 50 TEMPERATURE (°C) 100 33 Page 25 TK112xx A TYPICAL PERFORMANCE CHARACTERISTICS (CONT.) TA = 25 °C unless otherwise specified TK11231A TA = 25 °C 5 OUTPUT VOLTAGE CHANGE vs. TEMPERATURE INPUT CURRENT vs. INPUT VOLTAGE (NO LOAD) OUTPUT VOLTAGE vs. LOAD CURRENT 2 +50 mV ∆VO (V) 3 ICC (mA) VO (V) 4 1 0 2 1 -50 mV 0 150 IO (mA) 0 300 5 VCC (V) 35 -50 10 34 0 50 TEMPERATURE (°C) 100 36 TK11233A INPUT CURRENT vs. INPUT VOLTAGE (NO LOAD) OUTPUT VOLTAGE vs. LOAD CURRENT TA = 25 °C 5 OUTPUT VOLTAGE CHANGE vs. TEMPERATURE 2 +50 mV ∆VO (V) 3 ICC (mA) VO (V) 4 1 2 0 1 -50 mV 0 150 IO (mA) 300 0 5 VCC (V) 64 -50 10 65 0 50 TEMPERATURE (°C) 100 66 TK11235A TA = 25 °C 5 OUTPUT VOLTAGE CHANGE vs. TEMPERATURE INPUT CURRENT vs. INPUT VOLTAGE (NO LOAD) OUTPUT VOLTAGE vs. LOAD CURRENT 2 +50 mV ∆VO (V) 3 ICC (mA) VO (V) 4 1 0 2 1 -50 mV 0 Page 26 150 IO (mA) 300 38 0 5 VCC (V) 1-4-96 10 37 -50 0 50 TEMPERATURE (°C) 100 39 January, 1996 TOKO, Inc. TK112xxA TYPICAL PERFORMANCE CHARACTERISTICS (CONT.) TA = 25 °C unless otherwise specified TK11236A TA = 25 °C 5 OUTPUT VOLTAGE CHANGE vs. TEMPERATURE INPUT CURRENT vs. INPUT VOLTAGE (NO LOAD) OUTPUT VOLTAGE vs. LOAD CURRENT 2 +50 mV ∆VO (V) 3 ICC (mA) VO (V) 4 1 0 2 1 -50 mV 0 150 IO (mA) 0 300 5 VCC (V) 82 -50 10 83 0 50 TEMPERATURE (°C) 100 84 TK11238A TA = 25 °C 5 OUTPUT VOLTAGE CHANGE vs. TEMPERATURE INPUT CURRENT vs. INPUT VOLTAGE (NO LOAD) OUTPUT VOLTAGE vs. LOAD CURRENT 2 +50 mV ∆VO (V) 3 ICC (mA) VO (V) 4 1 0 2 1 -50 mV 0 150 IO (mA) 0 300 5 VCC (V) 67 -50 10 68 TK11240A TA = 25 °C 5 100 69 OUTPUT VOLTAGE CHANGE vs. TEMPERATURE INPUT CURRENT vs. INPUT VOLTAGE (NO LOAD) OUTPUT VOLTAGE vs. LOAD CURRENT 0 50 TEMPERATURE (°C) +50 mV 2 ∆VO (V) 3 ICC (mA) VO (V) 4 1 0 2 1 -50 mV 0 150 IO (mA) January, 1996 TOKO, Inc. 300 41 0 5 VCC (V) 1-4-96 10 40 -50 0 50 TEMPERATURE (°C) 100 42 Page 27 TK112xx A TYPICAL PERFORMANCE CHARACTERISTICS (CONT.) TA = 25 °C unless otherwise specified TK11242A TA = 25 °C 5 OUTPUT VOLTAGE CHANGE vs. TEMPERATURE INPUT CURRENT vs. INPUT VOLTAGE (NO LOAD) OUTPUT VOLTAGE vs. LOAD CURRENT 2 +50 mV ∆VO (V) 3 ICC (mA) VO (V) 4 1 0 2 1 -50 mV 0 150 IO (mA) 300 0 5 VCC (V) 70 -50 10 71 0 50 TEMPERATURE (°C) 100 72 TK11245A TA = 25 °C 5 OUTPUT VOLTAGE CHANGE vs. TEMPERATURE INPUT CURRENT vs. INPUT VOLTAGE (NO LOAD) OUTPUT VOLTAGE vs. LOAD CURRENT +50 mV 2 ∆VO (V) 3 ICC (mA) VO (V) 4 1 0 2 1 -50 mV 0 150 IO (mA) 0 300 5 VCC (V) 44 -50 10 43 0 50 TEMPERATURE (°C) 100 45 TK11248A INPUT CURRENT vs. INPUT VOLTAGE (NO LOAD) OUTPUT VOLTAGE vs. LOAD CURRENT TA = 25 °C 5 OUTPUT VOLTAGE CHANGE vs. TEMPERATURE 2 +50 mV ∆VO (V) 3 ICC (mA) VO (V) 4 1 0 2 1 -50 mV 0 Page 28 150 IO (mA) 300 73 0 5 VCC (V) 1-4-96 10 74 -50 0 50 TEMPERATURE (°C) 100 75 January, 1996 TOKO, Inc. TK112xxA TYPICAL PERFORMANCE CHARACTERISTICS (CONT.) TA = 25 °C unless otherwise specified TK11249A TA = 25 °C 5 OUTPUT VOLTAGE CHANGE vs. TEMPERATURE INPUT CURRENT vs. INPUT VOLTAGE (NO LOAD) OUTPUT VOLTAGE vs. LOAD CURRENT 2 +50 mV ∆VO (V) 3 ICC (mA) VO (V) 4 1 0 2 1 -50 mV 0 150 IO (mA) 0 300 85 5 10 VCC (V) 86 -50 0 50 TEMPERATURE (°C) 100 87 TK11250A TA = 25 °C 5 OUTPUT VOLTAGE CHANGE vs. TEMPERATURE INPUT CURRENT vs. INPUT VOLTAGE (NO LOAD) OUTPUT VOLTAGE vs. LOAD CURRENT 2 +50 mV ∆VO (V) 3 ICC (mA) VO (V) 4 1 0 2 1 -50 mV 0 150 IO (mA) 0 300 5 VCC (V) 50 -50 10 49 0 50 TEMPERATURE (°C) 100 51 TK11255A INPUT CURRENT vs. INPUT VOLTAGE (NO LOAD) OUTPUT VOLTAGE vs. LOAD CURRENT TA = 25 °C OUTPUT VOLTAGE CHANGE vs. TEMPERATURE 2 +50 mV 5 3 ∆VO (V) ICC (mA) VO (V) 4 1 0 2 1 -50 mV 0 150 IO (mA) January, 1996 TOKO, Inc. 300 76 0 5 VCC (V) 1-4-96 10 77 -50 0 50 TEMPERATURE (°C) 100 78 Page 29 TK112xx A DEFINITION AND EXPLANATION OF TECHNICAL TERMS the SOT-23L is increased to 400 mW. For operation at ambient temperatures over 25 °C, the power dissipation of the SOT-23L device should be derated at 3.2 mW/°C. The power dissipation of the SOT-89-5 package is 800 mW when mounted as recommended. Derate the power dissipation at 6.4 mW/°C for operation above 25 °C. To determine the power dissipation for shutdown when mounted, attach the device on the actual PCB and deliberately increase the output current (or raise the input voltage) until the thermal protection circuit is activated. Calculate the power dissipation of the device by subtracting the output power from the input power. These measurements should allow for the ambient temperature of the PCB. The value obtained from PD/(150 °C - TA) is the derating factor. The PCB mounting pad should provide maximum thermal conductivity in order to maintain low device temperatures. As a general rule, the lower the temperature, the better the reliability of the device. The Thermal resistance when mounted is expressed as follows: LINE REGULATION (LINE REG) Line regulation is the relationship between change in output voltage due to a change in input voltage. LOAD REGULATION (LOAD REG) Load regulation is the relationship between change in output voltage due to a change in load current. DROP OUT VOLTAGE (VDROP) This is a measure of how well the regulator performs as the input voltage decreases. The smaller the number, the further the input voltage can decrease before regulation problems occur. Nominal output voltage is first measured when VIN = V OUT + 1 at a chosen load current. When the output voltage has dropped 100 mV from the nominal, VIN - VOUT is the dropout voltage. This voltage is affected by load current and junction temperature. TJ = 0JA X PD + TA OUTPUT NOISE VOLTAGE For Toko ICs, the internal limit for junction temperature is 150 °C. If the ambient temperature, TA is 25 °C, then: This is the effective AC voltage that occurs on the output voltage under the condition where the input noise is low and with a given load, filter capacitor, and frequency range. 150 °C = 0JA X PD + 25 °C 0JA X PD = 125 °C 0JA = 125 °C/ PD THERMAL PROTECTION PD is the value when the thermal sensor is activated. A simple way to determine PD is to calculate VIN X IIN when the output side is shorted. Input current gradually falls as temperature rises. You should use the value when thermal equilibrium is reached. This is an internal feature which turns the regulator off when the junction temperature rises above 150 °C. After the regulator turns off, the temperature drops and the regulator output turns back on. Under certain conditions, the output waveform may appear to be an oscillation as the output turns off and on and back again in succession. The range of currents usable can also be found from the graph below. PACKAGE POWER DISSIPATION (PD) (mW) This is the power dissipation level at which the thermal sensor is activated. The IC contains an internal thermal sensor which monitors the junction temperature. When the junction temperature exceeds the monitor threshold of 150 °C, the IC is shutdown. The junction temperature rises as the difference between the input power (VIN X IIN) and the output power (VOUT X I OUT) increases. The rate of temperature rise is greatly affected by the mounting pad configuration on the PCB, the board material, and the ambient temperature. When the IC mounting has good thermal conductivity, the junction temperature will be low even if the power dissipation is great. When mounted on the recommended mounting pad, the power dissipation of Page 30 3 PD 6 Dpd 4 5 25 50 75 T (°C) 150 Procedure: 1.) 2.) 3.) 4.) 1-4-96 Find PD PD1 is taken to be PD X (≈0.8 ~ 0.9) Plot PD1 against 25 °C Connect PD1 to the point corresponding to the 150 °C with a straight line. January, 1996 TOKO, Inc. TK112xxA DEFINITION AND EXPLANATION OF TECHNICAL TERMS (CONT.) 5.) In design, take a vertical line from the maximum operating temperature (e.g. 75 °C) to the derating curve. 6.) Read off the value of PD against the point at which the vertical line intersects the derating curve. This is taken as the maximum power dissipation, DPD . Ceramic Substrate 25 X 30 mm PD (mW) 2000 The maximum operating current is: Glass Epoxy Circuit Board 10 X 10 mm Mounted as shown 1000 IOUT = (DPD/(VIN(MAX) - VOUT). Unmounted 0 0 VIN VO A A + + ON/OFF GND SOT-23L Board Layout Mounted as shown PD (mW) 300 200 Unmounted 100 0 0 50 100 TA (°C) 150 23 SOT-23L Power Dissipation Curve VO VIN A A + + ON/OFF January, 1996 TOKO, Inc. SOT-89-5 Board Layout 100 TA (°C) 150 24 SOT-89-5 Power Dissipation Curve Copper pattern should be as large as possible. Power dissipation is 400 mW for SOT-23L and 800 mV for SOT89-5. A low ESR capacitor is recommended. For low temperature operation, select a capacitor with a low ESR at the lowest operating temperature to prevent oscillation, degradation of ripple rejection and increase in noise. The minimum recommended capacitance is 2.2 µF. INPUT/OUTPUT DECOUPLING CAPACITOR CONSIDERATIONS 500 400 50 Voltage regulators require input and output decoupling capacitors. The required value of these capacitors vary with application. Capacitors made by different manufacturers can have different characteristics, particularly with regard to high frequencies and equivalent resistance (ESR) over temperature. The type of capacitor is also important. For example, a 4.7 µF aluminum electrolytic may be required for a certain application. If a tantalum capacitor is used, a lower value of 2.2 µF would be adequate. It is important to consider the temperature characteristics of the decoupling capacitors. While Toko regulators are designed to operate as low as -40 °C, many capacitors will not operate properly at this temperature. The capacitance of aluminum electrolytic capacitors may decrease to 0 at low temperatures. This may cause oscillation on the output of the regulator since some capacitance is required to guarantee stability. Thus, it is important to consider the characteristics of the capacitor over temperature when selection decoupling capacitors. The ESR is another important parameter. The ESR will increase with temperature but low ESR capacitors are often larger and more costly. In general, Tantalum capacitors offer lower ESR than aluminum electrolytic, but new low ESR aluminum electrolytic 1-4-96 Page 31 TK112xx A DEFINITION AND EXPLANATION OF TECHNICAL TERMS (CONT.) capacitors are now available from several manufacturers. Usually a bench test is sufficient to determine the minimum capacitance required for a particular application. After taking thermal characteristics and tolerance into account, the minimum capacitance value should be approximately two times this value. The recommended minimum capacitance for the TK112xxA is 2.2 µF. Please note that linear regulators with a low dropout voltage have high internal loop gains which requires care in guarding against oscillation caused by insufficient decoupling capacitance. The use of high quality decoupling capacitors suited for your application will guarantee proper operation of the circuit. NOISE BYPASS CAPACITOR SECTION The noise bypass capacitor (CP) should be connected as close as possible to pin 3 and ground. The recommended value for CP is 0.01 µF. The noise bypass terminal has a high impedance and care should be taken if the noise bypass capacitor is not used. This terminal is susceptible to external noise and oscillation can occur when CP is not used and the solder pad for this pin is made too large. Page 32 1-4-96 January, 1996 TOKO, Inc. TK112xxA CONTROL FUNCTION SOT-23L V IN SOT-89-5 V IN S S 6 5 4 6 5 4 SW SW R 1 2 3 1 CP 2 3 R CP If the control function is not used, connect the control terminal to a logic high level or VIN. This will allow the regulator to be on. The regulator will be on when the control terminal voltage is greater than 1.8 V. The seris resistor, RS, should be less than 300 kΩ. The control current will decrease as R S, increases. The control threshold voltage will also change. MICROPROCESSOR/LOGIC CONTROL VO VIN 112XXA CMOS/TTL Logic + GND Cont CIN + COUT The Input and Control current in the off mode are less than 200 pA. PARALLEL CONNECTION FOR ON/OFF CONTROL VIN VIN VO 5V 11250A Cont GND VIN + VO 3V 11230A 0.1 µ F + R Cont GND VIN + VO 2V 11220A 0.1 µ F + Cont GND + On/Off To reduce IC power dissipation, connect a resistor, RS, in series with VIN for the lower output voltage devices. This will prevent thermal shutdown due to excessive power dissipation. January, 1996 TOKO, Inc. 1-4-96 Page 33 TK112xx A PACKAGE OUTLINE SOT-23L 6 5 4 0.6 1.0 Voltage Code e1 3.2 Marking Information Product Code Orientation Mark 1 2 3 0.4 e (Pin 2 and pin 5 should be grounded for heat dissipation) 0.1 M e 0.95 e 0.95 0.95 e 0.95 Recommended Mount Pad ± 0.2 2.2 ± 0.2 0.2 ± 0.3 30° 0.15 +0.1 -0.05 ±0.15 0.4 3.3 Max 1.2 ± 0.05 ± 0.05 1.25 +0.15 -0 0.3 3.4 SOT-89-5 ± 0.1 4.5 ± 0.1 1.5 1.6 0.49max 0.49max 0.49max .7max 1.0 .7max 0.44max 1.5 4 .7 45° Voltage Code 1 2 3 0.54max 0.49max e 1.0 1.5 4.5 ± 0.1 2.5 +0.5 -0.3 .8 .7 0.4 5 e 1.5 e' 1.5 Product Code P Voltage Code TK11220A TK11221A TK11222A TK11225A TK11228A TK11229A TK11230A TK11231A TK11233A TK11235A TK11236A TK11238A TK11240A TK11242A TK11245A TK11248A TK11249A TK11250A TK11255A 20 21 22 25 28 29 30 31 33 35 36 38 40 42 45 48 49 50 55 +0.1 -0.05 2.0 1.5 0.49max Product Code 3.0 1.5 0.44max Recommended Mount Pad Unit:mm The information furnished by TOKO, Inc. is believed to be accurate and reliable. However, TOKO reserves the right to make changes or improvements in the design, specification or manufacture of its products without further notice. TOKO does not assume any liability arising from the application or use of any product or circuit described herein, nor for any infringements of patents or other rights of third parties which may result from the use of its products. No license is granted by implication or otherwise under any patent or patent rights of TOKO, Inc. YOUR LOCAL REPRESENTATIVE IS: TOKO America 1250 Feehanville Dr. Mt. Prospect, ILL 60056 Tel: 1(800) PIK-TOKO Fax: 1(847) 699-1194 Page 34 © 1994 Toko America, Inc. All Rights Reserved 1-4-96 IC-114-TK112 January, 1996 TOKO, Inc. Printed in U.S.A.