1-1-1 Linear Regulator ICs SI-3000KM Series Surface Mount, Low Current Consumption, Low Dropout Voltage Linear Regulator ICs ■Features ■Absolute Maximum Ratings (Ta=25°C) • Compact surface mount package (TO252-5) Ratings Symbol SI-3012KM/ 3025KM/3033KM DC Input Voltage VIN 17 Output Control Terminal Voltage Vc VIN DC Output Current IO 1.0 A Power Dissipation PD*2 1 W Junction Temperature Tj –30 to +125 °C Storage Temperature Tstg –30 to +125 °C Thermal Resistance (Junction to Ambient Air) θ j-a θ j-c 95 °C/W 6 °C/W Parameter • Output current: 1.0 A • Low dropout voltage: VDIF ≤ 0.6 V (at IO = 1.0 A) • Low current consumption: Iq ≤ 350 µA (600 µA for SI-3010KM/SI-3050KM/SI3090KM/SI-3120KM) • Low circuit current at output OFF: Iq (OFF) ≤ 1 µA Thermal Resistance (Junction to case) • Built-in overcurrent and thermal protection circuits SI-3010KM/3050KM/ 3090KM/3120KM Unit 35*1 V V *1: A built-in input-overvoltage-protection circuit shuts down the output voltage at the Input Overvoltage Shutdown Voltage of the electrical characteristics. *2: When mounted on glass-epoxy board of 900mm2 (copper laminate area 4.3%). • Output ON/OFF control function • Compatible with low ESR capacitors (SI3012KM/SI-3025KM/SI-3033KM) ■Applications • Secondary stabilized power supply (local power supply) ■Recommended Operating Conditions Ratings Parameter Symbol SI-3012KM SI-3025KM 2.4*2 to 6.0*1 2.4*2 to 5*1 SI-3033KM *2 to 6*1 SI-3010KM SI-3050KM 2.4*2 to 27*1 2.4*2 to 17*1 SI-3090KM *2 SI-3120KM to 20*1 *2 to 25*1 Unit Input Voltage Range VIN Output Current Range IO 0 to 1.0 V A Operating Ambient Temperature Top –30 to +85 °C Operating Junction Temperature Tj –20 to +100 °C *1: VIN (max) and IO (max) are restricted according to operating conditions due to the relation PD = (VIN-VO) × IO. Please calculate these values referring to the Copper Laminate Area vs. Power Dissipation data as shown hereinafter. *2: Refer to the Dropout Voltage parameter. ■Electrical Characteristics 1 (Low Input Voltage type compatible with low ESR output capacitor) Ratings Parameter Symbol SI-3012KM (Variable type) min. Input Voltage Output Voltage (Reference voltage VADJ for SI-3012KM) Line Regulation Load Regulation VIN 2.4*1 VO (VADJ) 1.24 Conditions typ. max. min. 1.28 1.32 2.45 Circuit Current at Output OFF Temperature Coefficient of Output Voltage Ripple Rejection Overcurrent Protection Starting Current*2 min. 2.50 2.55 3.234 VIN=3.3V, IO=10mA 15 ∆VOLOAD 0.4 VIN=5V, IO=0A, VC=2V 1 1 VIN=3.3V, VC=0V VIN=5V, VC=0V ±0.3 ±0.3 ±0.3 Tj=0 to 100°C (VC=2.5V) Tj=0 to 100°C Tj=0 to 100°C 55 55 55 VIN=3.3V, f=100 to 120HZ (VO=2.5V) VIN=3.3V, f=100 to 120HZ VIN=5V, f=100 to 120HZ RREJ IS1 350 VIN=3.3V, IO=0A, VC=2V 1 Conditions 1.1 Conditions 1.1 VIN=3.3V Control Voltage (Output OFF) VC, IL 0.8 0.8 0.8 IC, IH 40 40 40 Control Current (Output OFF) Conditions IC, IL 2.0 VC=2V –5 0 VC=0V 2.0 VC=2V –5 0 VC=0V VC=2V –5 0 VC=0V *1: Refer to the Dropout Voltage parameter. *2: IS1 is specified at the 5% drop point of output voltage VO on the condition that VIN=overcurrent protection starting current, IO = 10 mA). *3: Output is OFF when output control terminal (VC terminal) is open. Each input level is equivalent to LS-TTL level. Therefore, the device can be driven directly by LS-TTLs. 16 ICs µA µA A VIN=5V VC, IH Conditions V dB Control Voltage (Output ON)*3 VC Control Current Terminal (Output ON) mV mV/ °C 1.1 VIN=3.3V 2.0 mV IO=1A 350 VIN=3.3V, VC=0V ∆VO/∆Ta Conditions 0.6 IO=1A VIN=3.3V, IO=0A, VC=2V, R2=24kΩ V 0.4 IO=0.5A 0.6 350 Conditions 50 VIN=5V, IO=0 to 1A 0.4 IO=1A (VO=2.5V) Iq (OFF) V VIN=5 to 10V, IO=10mA IO=0.5A 0.6 Conditions 3.366 15 VIN=3.3V, IO=0 to 1A IO=0.5A (VO=2.5V) Iq 3.300 40 VIN=3.3V, IO=0 to 1A (VO=2.5V) Conditions max. VIN=5V, IO=10mA VIN=3.3 to 8V, IO=10mA 40 Conditions Unit typ. 15 VIN=3.3 to 8V, IO=10mA (VO=2.5V) Conditions Quiescent Circuit Current max. *1 VIN=3.3V, IO=10mA VDIF Dropout Voltage SI-3033KM typ. *1 ∆VOLINE Conditions SI-3025KM V µA µA SI-3000KM Series ■Electrical Characteristics 2 (High Input Voltage type) Ratings Parameter Symbol SI-3010KM (Variable type) min. VIN 2.4*1 VO (VADJ) 0.98 Input Voltage Output Voltage (Reference voltage VADJ for SI-3010KM) typ. max. min. 1.00 1.02 4.90 SI-3090KM typ. max. min. 5.00 5.10 8.82 *1 VIN=7V, IO=10mA Conditions IO=0.5A (VO=5V) Conditions IO=1A (VO=5V) Iq 75 Conditions Overcurrent Protection Starting Current*2 IS1 VC, IH Control Voltage (Output OFF)*3 VC, IL VC Control Current Terminal (Output ON) Conditions Control Current (Output OFF) Conditions 0.3 VOVP Input Overvoltage Shutdown Voltage 180 VIN=14V, IO=0 to 1A 0.3 IO=0.5A 0.3 IO=0.5A IO=0.5A 0.6 0.6 IO=1A IO=1A 600 600 VIN=7V, IO=0A, VC=2V 600 VIN=11V, IO=0A, VC=2V 1 1 1 ±0.5 ±0.5 ±1.0 ±1.5 Tj =0 to 100°C (VO=5V) Tj=0 to 100°C Tj=0 to 100°C Tj=0 to 100°C 75 75 68 66 VIN=7V, f=100 to 120Hz (VO=5V) VIN=7V, f=100 to 120Hz VIN=11V, f=100 to 120Hz VIN=14V, f=100 to 120Hz 1.1 VIN=7V 1.1 40 40 0 –5 0 40 –5 0 IO=10mA 30 V 40 µA VC=2V –5 VC=0V 26 A 0.8 VC=2V VC=0V 33 Conditions 0.8 VC=2V VC=0V dB 2.0 0.8 VC=2V mV/ °C VIN=14V 2.0 0.8 –5 VIN=11V 2.0 µA 1.1 VIN=7V 2.0 µA VIN=14V, IO=0A, VC=2V VIN=14V, VC=0V 1.1 V 0.6 IO=1A VIN=11V, VC=0V IC, IH IC, IL VIN=11V, IO=0 to 1A VIN=7V, VC=0V Conditions Control Voltage (Output ON)*3 135 mV 1 RREJ Ripple Rejection V VIN=14V, IO=10mA VIN=7V, VC=0V ∆VO/∆Ta Conditions V 72 V IN=7V, IO=0A, VC=2V R2=10kΩ Conditions Temperature Coefficient of Output Voltage 12.24 VIN=13 to 18V, IO=10mA VIN=7V, IO=0 to 1A Iq (OFF) Circuit Current at Output OFF 12.00 *1 54 600 Conditions 11.76 VIN=10 to 15V, IO=10mA 0.6 Quiescent Circuit Current 9.18 max. 30 0.3 VDIF Conditions 9.00 Unit typ. VIN=6 to 11V, IO=10mA 75 VIN=7V, IO=0 to 1A (VO=5V) Conditions min. mV ∆VOLOAD Load Regulation max. VIN=11V, IO=10mA 30 VIN=6 to 11V, IO=10mA (VO=5V) Conditions SI-3120KM typ. *1 VIN=7V, IO=10mA ∆VOLINE Line Regulation Dropout Voltage SI-3050KM 0 µA VC=0V 33 IO=10mA IO=10mA V IO=10mA *1: Refer to the Dropout Voltage parameter. *2: IS1 is specified at the 5% drop point of output voltage VO on the condition that VIN=overcurrent protection starting current, IO = 10 mA). *3: Output is OFF when output control terminal (VC terminal) is open. Each input level is equivalent to LS-TTL level. Therefore, the device can be driven directly by LS-TTLs. *4: SI-3010KM, SI-3050KM and SI-3090KM, SI-3120KM cannot be used in the following applications because the built-in foldback-type overcurrent protection may cause errors during start-up stage. (1) Constant current load (2) Positive and negative power supply (3) Series-connected power supply (4) VO adjustment by raising ground voltage *5: VIN (max) and IO (max) are restricted by the relation PD = (VIN - VO) × IO. Please calculate these values referring to the Copper Laminate Area vs. Power Dissipation data as shown hereinafter. ■External Dimensions (TO252-5) (Unit : mm) 6.60±0.20 2.30 6.60±0.20 5.34±0.20 (5.04) 0.50±0.10 (1.50) 0 0.50±0.10 0.50±0.10 1.27 TYP (1.00) 1.27 TYP (4.06) 2.70 ±0.20 1.18±0.20 0.1 ° to 8 9.90±0.30 R0 9.90±0.30 SEATING PLANE 0.00 to 0.127 (0.89) 2.70 ±0.20 6.10±0.20 .32 5 1.10±0.20 ±0.20 5.34 ±0.20 Pin Assignment q VC w VIN e GND r VO t Sense (ADJ for SI-3010KM/SI-3120KM) Plastic Mold Package Type Flammability: UL94V-0 Product Mass: Approx. 0.33g 2.30±0.20 1 2 3 4 5 ICs 17 1-1-1 Linear Regulator ICs ■Block Diagram ●SI-3010KM/SI-3012KM ●SI-3025KM/SI-3033KM/SI-3050KM/SI-3090KM/SI-3120KM VIN 2 4 VOUT VIN 2 VC 1 5 ADJ VC 1 4 VO 5 Sense TSD - TSD + + REF REF 3 GND 3 GND ■Typical Connection Diagram ●SI-3025KM/SI-3033KM/SI-3050KM/ SI-3090KM/SI-3120KM ●SI-3010KM/SI-3012KM D1*2 D1*2 *1 *1 VO 4 VIN 2 + VC 1 CIN sense GND 5 3 CO R1 + + Load + VO 4 CIN VC GND ADJ 1 5 3 CO Load VIN 2 R2 *3 R3 CIN: Input capacitor (22 µF or larger) CO: Output capacitor *1: SI-3012KM/3025KM/3033KM (22 µF or larger) It comes with a circuit configuration that uses a low ESR capacitor for the output capacitor. If an electrolytic capacitor is used, oscillation may occur at a low temperature. R1, R2: Output voltage setting resistors Output voltage can be set by connecting R1 and R2 as shown above. R2: 10 kΩ is recommended (24 kΩ for SI-3012KM). R1=(VO–VADJ)÷(VADJ/R2) SI-3010KM/3050KM/3090KM/3120KM (47 µF or larger) If a low ESR capacitor is used, oscillation may occur. *2: D1: Reverse bias protection diode This diode is required for protection against reverse biasing between the input and output. (Sanken SJPL-H2 is recommended.) This diode is not required at VO ≤ 3.3 V. *3: For SI-3010KM, insert R3 in case of setting VO to VO ≤ 1.5V. Recommended value for R3 is 10kΩ. ■Reference Data Copper Laminate Area-Thermal Resistance Copper Laminate Area-Power Dissipation Glass-epoxy board : 30×30mm Glass-epoxy board : 30×30mm 100 Power Dissipation PD (W) 1.5 θ j-a(°C/W) 90 80 70 60 50 40 40°C 1 Tj=PD × θ j–C + TC 60°C 0.5 Case temperature Tc measurement point 85°C 0 10 100 Copper Laminate Area (mm2) 18 Ta=25°C ICs 1000 • Obtaining the junction temperature Measure the temperature TC at the lead part of the GND pin with a thermocouple, etc. Then, substitute this value in the following formula to obtain the junction temperature. 10 100 Copper Laminate Area (mm2) 1000 ( θ j–C = 6°C/W)