LESHAN RADIO COMPANY, LTD. LR78MXX 3-Terminal 0.5A Positive Voltage Regulator Features Description • • • • • The LR78MXX series of three-terminal positive regulators are available in the TO-220/D-PAK package with several fixed output voltages making it useful in a wide range of applications. Output Current up to 0.5A Output Voltages of 5, 6, 8, 12, 15, 18, 24V Thermal Overload Protection Short Circuit Protection Output Transistor Safe Operating Area (SOA)Protection TO-220 GND 1 D-PAK GND 1 1. Input 2. GND 3. Output Internal Block Digram INPUT SERIES PASS ELEMENT 1 SOA PROTECTION CURRENT GENERATOR STARTING CIRCUIT REFERENCE VOLTAGE OUTPUT 3 R1 ERROR AMPLIFIER R2 THERMAL PROTECTION GND 2 1/11 LESHAN RADIO COMPANY, LTD. Absolute Maximum Ratings Parameter Symbol Value Unit VI VI 35 40 V V Thermal Resistance Junction-Case (Note1) TO-220 (Tc = +25°C) RθJC 2.5 °C/W Thermal Resistance Junction-Air (Note1, 2) TO-220 (Ta = +25°C) D-PAK (Ta = +25°C) RθJA 66 92 °C/W Operating Junction Temperature Range TOPR 0 ~ +150 °C Storage Temperature Range TSTG -65 ~ +150 °C Input Voltage (for VO = 5V to 18V) (for VO = 24V) Note: 1. Thermal resistance test board Size: 76.2mm * 114.3mm * 1.6mm(1S0P) JEDEC standard: JESD51-3, JESD51-7 2. Assume no ambient airflow Electrical Characteristics (LR78M05) (Refer to the test circuits, 0 < TJ < +125°C, IO=350mA, VI=10V, unless otherwise specified, CI = 0.33µF, CO=0.1µF) Parameter Output Voltage Symbol VO Line Regulation (Note3) ∆VO Load Regulation (Note3) ∆VO Quiescent Current Quiescent Current Change Output Voltage Drift IQ ∆IQ ∆V/∆T Min. Typ. Max. TJ = +25°C Conditions 4.8 5 5.2 IO = 5mA to 350mA VI = 7V to 20V 4.75 5 5.25 VI = 7V to 25V - - 100 VI = 8V to 25V - - 50 IO = 5mA to 0.5A, TJ =+25°C - - 100 IO = 5mA to 200mA, TJ =+25 °C - - 50 TJ =+25°C - 4.0 6.0 IO = 5mA to 350mA - - 0.5 IO = 200mA VI = 8V to 25V - - 0.8 IO = 5mA TJ = 0 to +125°C - -0.5 - mV/°C IO = 200mA TJ =+25°C Unit V mV mV mA mA Output Noise Voltage VN f = 10Hz to 100kHz - 40 - µV/Vo Ripple Rejection RR f = 120Hz, IO = 300mA VI = 8V to 18V, TJ =+25 °C - 80 - dB Dropout Voltage VD TJ =+25°C, IO = 500mA - 2 - V Short Circuit Current ISC TJ =+25°C, VI = 35V - 300 - mA Peak Current IPK TJ =+25°C - 700 - mA Note: 3. Load and line regulation are specified at constant junction temperature. Change in Vo due to heating effects must be taken into account separately. Pulse testing with low duty is used. 2/11 LESHAN RADIO COMPANY, LTD. Electrical Characteristics (LR78M06) (Continued) (Refer to the test circuits, 0 < TJ < +125°C, IO=350mA, VI =11V, unless otherwise specified, CI=0.33µF, CO=0.1µF) Parameter Output Voltage Symbol VO Line Regulation (Note1) ∆VO Load Regulation (Note1) ∆VO Quiescent Current Quiescent Current Change Output Voltage Drift IQ ∆IQ ∆V/∆T Conditions Min. Typ. Max. TJ = +25°C 5.75 6 6.25 IO = 5mA to 350mA VI = 8V to 21V 5.7 6 6.3 VI = 8V to 25V - - 100 VI = 9V to 25V - - 50 IO = 5mA to 0.5A, TJ = +25°C - - 120 IO = 5mA to 200mA, TJ = +25°C - - 60 TJ = +25°C - 4.0 6.0 IO = 5mA to 350mA - - 0.5 IO = 200mA VI = 9V to 25V - - 0.8 IO = 5mA TJ = 0 to +125°C - -0.5 - mV/°C IO = 200mA TJ = +25°C Unit V mV mV mA mA Output Noise Voltage VN f = 10Hz to 100kHz - 45 - µV/Vo Ripple Rejection RR f = 120Hz, IO = 300mA VI = 9V to 19V, TJ =+25 °C - 80 - dB Dropout Voltage VD TJ =+25°C, IO = 500mA - 2 - V Short Circuit Current ISC TJ = +25°C, VI= 35V - 300 - mA Peak Current IPK TJ =+25°C - 700 - mA Note: 1. Load and line regulation are specified at constant junction temperature. Change in Vo due to heating effects must be taken into account separately. Pulse testing with low duty is used. 3/11 LESHAN RADIO COMPANY, LTD. Electrical Characteristics (LR78M08) (Continued) (Refer to the test circuits, 0 < TJ < +125°C, IO=350mA, VI=14V, unless otherwise specified, CI = 0.33µF, CO=0.1µF) Parameter Symbol Conditions Min. Typ. Max. TJ =+25°C 7.7 8 8.3 Output Voltage VO IO = 5mA to 350mA VI = 10.5V to 23V 7.6 8 8.4 Line Regulation (Note1) ∆VO IO = 200mA TJ =+25°C VI = 10.5V to 25V - - 100 VI = 11V to 25V - - 50 Load Regulation (Note1) ∆VO IO = 5mA to 0.5A, TJ =+25°C - - 160 IO = 5mA to 200mA, TJ =+25°C - - 80 TJ = +25°C - 4.0 6.0 IO = 5mA to 350mA - - 0.5 IO = 200mA VI = 10.5V to 25V - - 0.8 Quiescent Current IQ Unit V mV mV mA Quiescent Current Change ∆IQ Output Voltage Drift RR IO = 5mA TJ = 0 to +125°C - −0.5 - mV/°C Output Noise Voltage VN f = 10Hz to 100kHz - 52 - µV/Vo Ripple Rejection RR f = 120Hz, IO = 300mA VI = 11.5V to 21.5V, TJ =+25 °C - 80 - dB Dropout Voltage VD TJ = +25°C, IO = 500mA - 2 - V Short Circuit Current ISC TJ = +25°C, VI = 35V - 300 - mA Peak Current IPK TJ = +25°C - 700 - mA mA Note: 1. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 4/11 LESHAN RADIO COMPANY, LTD. Electrical Characteristics (LR78M12) (Continued) (Refer to the test circuits, 0 < TJ < +125°C, IO=350mA, VI=19V, unless otherwise specified, CI =0.33µF, CO=0.1µF) Parameter Output Voltage Symbol Min. Typ. Max. TJ = +25°C 11.5 12 12.5 IO = 5mA to 350mA VI = 14.5V to 27V 11.4 12 12.6 VI = 14.5V to 30V - - 100 VI = 16V to 30V - - 50 IO = 5mA to 0.5A, TJ = +25°C - - 240 IO = 5mA to 200mA, TJ = +25°C - - 120 TJ =+25°C - 4.1 6.0 IO = 5mA to 350mA - - 0.5 ∆IQ IO = 200mA VI = 14.5V to 30V - - 0.8 ∆V/∆T IO = 5mA TJ = 0 to +125°C - -0.5 - mV/°C VO Line Regulation (Note1) ∆VO Load Regulation (Note1) ∆VO Quiescent Current Quiescent Current Change Output Voltage Drift IQ Conditions IO = 200mA TJ = +25°C Unit V mV mV mA mA Output Noise Voltage VN f = 10Hz to 100kHz - 75 - µV/Vo Ripple Rejection RR f = 120Hz, IO = 300mA VI = 15V to 25V, TJ =+25 °C - 80 - dB Dropout Voltage VD TJ =+25°C, IO = 500mA - 2 - V Short Circuit Current ISC TJ = +25°C, VI = 35V - 300 - mA Peak Current IPK TJ = +25°C - 700 - mA Note: 1. Load and line regulation are specified at constant junction temperature. Change in Vo due to heating effects must be taken into account separately. Pulse testing with low duty is used. 5/11 LESHAN RADIO COMPANY, LTD. Electrical Characteristics (LR78M15) (Continued) (Refer to the test circuits, 0 < TJ < +125°C, IO=350mA, VI=23V, unless otherwise specified, CI =0.33µF, CO=0.1µF) Parameter Symbol Conditions Min. Typ. Max. Unit TJ = +25°C 14.4 15 15.6 Output Voltage VO IO = 5mA to 350mA VI = 17.5V to 30V 14.25 15 15.75 Line Regulation (Note1) ∆VO IO = 200mA TJ =+25°C VI = 17.5V to 30V - - 100 VI = 20V to 30V - - 50 Load Regulation (Note1) ∆VO IO = 5mA to 0.5A, TJ =+25°C - - 300 IO = 5mA to 200mA, TJ =+25°C - - 150 TJ = +25°C - 4.1 6.0 IO = 5mA to 350mA - - 0.5 ∆IQ IO = 200mA VI = 17.5V to 30V - - 0.8 ∆V/∆T IO = 5mA TJ = 0 to +125°C - -1 - mV/°C Quiescent Current Quiescent Current Change Output Voltage Drift IQ V mV mV mA mA Output Noise Voltage VN f = 10Hz to 100kHz - 100 - µV/Vo Ripple Rejection RR f = 120Hz, IO = 300mA VI = 18.5V to 28.5V, TJ =+25 °C - 70 - dB Dropout Voltage VD TJ =+25°C, IO = 500mA - 2 - V Short Circuit Current ISC TJ = +25°C, VI = 35V - 300 - mA Peak Current IPK TJ = +25°C - 700 - mA Note: 1. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 6/11 LESHAN RADIO COMPANY, LTD. Electrical Characteristics (LR78M18) (Continued) (Refer to the test circuits, 0 < TJ < +125°C, IO=350mA, VI=26V, unless otherwise specified, CI =0.33µF, CO=0.1µF) Parameter Min. Typ. Max. TJ = +25°C 17.3 18 18.7 IO = 5mA to 350mA VI = 20.5V to 33V 17.1 18 18.9 VI = 21V to 33V - - 100 VI = 24V to 33V - - 50 IO = 5mA to 0.5A, TJ = +25°C - - 360 IO = 5mA to 200mA, TJ = +25°C - - 180 TJ = +25°C - 4.2 6.0 IO = 5mA to 350mA - - 0.5 IO = 200mA VI = 21V to 33V - - 0.8 IO = 5mATJ = 0 to 125°C - -1.1 - mV/°C VN f = 10Hz to 100kHz - 100 - µV/Vo Ripple Rejection RR f = 120Hz, IO= 300mA , VI = 22V to 32V TJ =+25 °C - 70 - dB Dropout Voltage VD TJ = +25°C, IO = 500mA - 2 - V Short Circuit Current ISC TJ = +25°C, VI = 35V - 300 - mA Peak Current IPK TJ = +25°C - 700 - mA Output Voltage Symbol VO Line Regulation (Note1) ∆VO Load Regulation (Note1) ∆VΟ Quiescent Current Quiescent Current Change Output Voltage Drift Output Noise Voltage IQ ∆IQ ∆V/∆T Conditions IO = 200mA TJ = +25°C Unit V mV mV mA mA Note: 1. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 7/11 LESHAN RADIO COMPANY, LTD. Electrical Characteristics (LR78M24) (Continued) (Refer to the test circuits, 0 < TJ < +125°C, IO=350mA, VI=33V, unless otherwise specified, CI =0.33µF, CO=0.1µF) Parameter Symbol Conditions TJ =+25°C Output Voltage VO Line Regulation (Note1) ∆VO Load Regulation (Note1) ∆VO Quiescent Current Quiescent Current Change Output Voltage Drift IQ IO = 5mA to 350mA VI = 27V to 38V Min. Typ. Max. 23 24 25 22.8 24 25.2 IO = 200mA VI = 27V to 38V TJ =+25°C VI = 28V to 38V - - 100 - - 50 IO = 5mA to 0.5A, TJ =+25°C - - 480 IO = 5mA to 200mA, TJ =+25°C - - 240 TJ = +25°C - 4.2 6.0 Unit V mV mV mA IO = 5mA to 350mA - - 0.5 ∆IQ IO = 200mA VI = 27V to 38V - - 0.8 ∆V/∆T IO = 5mA TJ = 0 to +125°C - -1.2 - mV/°C mA Output Noise Voltage VN f = 10Hz to 100kHz - 170 - µV/Vo Ripple Rejection RR f = 120Hz, IO = 300mA VI = 28V to 38V, TJ =+25 °C - 70 - dB Dropout Voltage VD TJ = +25°C, IO = 500mA - 2 - V Short Circuit Current ISC TJ = +25°C, VI = 35V - 300 - mA Peak Current IPK TJ = +25°C - 700 - mA Note: 1. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 8/11 LESHAN RADIO COMPANY, LTD. Mechanical Dimensions Package Dimensions in millimeters TO-220 4.50 ±0.20 2.80 ±0.10 (3.00) +0.10 1.30 –0.05 18.95MAX. (3.70) ø3.60 ±0.10 15.90 ±0.20 1.30 ±0.10 (8.70) (1.46) 9.20 ±0.20 (1.70) 9.90 ±0.20 1.52 ±0.10 0.80 ±0.10 2.54TYP [2.54 ±0.20] 10.08 ±0.30 (1.00) 13.08 ±0.20 ) (45° 1.27 ±0.10 +0.10 0.50 –0.05 2.40 ±0.20 2.54TYP [2.54 ±0.20] 10.00 ±0.20 9/11 LESHAN RADIO COMPANY, LTD. Mechanical Dimensions (Continued) Package Dimensions in millimeters D-PAK 0.89 ±0.10 MIN0.55 0.91 ±0.10 0.50 ±0.10 9.50 ±0.30 0.76 ±0.10 0.50 ±0.10 1.02 ±0.20 2.30TYP [2.30±0.20] (1.00) (3.05) (2XR0.25) (0.10) 6.60 ±0.20 (5.34) (5.04) (1.50) (0.70) 2.30 ±0.20 (0.90) 2.70 ±0.20 2.30 ±0.10 2.70 ±0.20 2.30TYP [2.30±0.20] (0.50) 6.10 ±0.20 MAX0.96 (4.34) 9.50 ±0.30 0.80 ±0.20 0.60 ±0.20 (0.50) 6.10 ±0.20 5.34 ±0.30 0.70 ±0.20 6.60 ±0.20 0.76 ±0.10 10/11 LESHAN RADIO COMPANY, LTD. Ordering Information Product Number Package Operating Temperature LR78M05CT LR78M06CT LR78M08CT LR78M12CT TO-220 LR78M15CT 0 ~ +125°C LR78M18CT LR78M24CT LR78M05CDT LR78M06CDT LR78M08CDT D-PAK LR78M12CDT 11/11