MM78M18

MC78MXX FAIRCHILD | Alldatasheet

Document overview

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• PDF pages: 14

Technical content

Features

• Output Current up to 0.5A
• Output V oltages of 5, 6, 8, 12, 15, 18, 24V
• Thermal Overload Protection
• Short Circuit Protection
• Output Transistor Safe Operating Area (SOA)Protection

Description

The MC78MXX/LM78MXX 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. TO-220 D-PAK 1. Input 2. GND 3. Output GND GND Internal Block Digram OUTPUT GND INPUT SERIES PASS ELEMENT SOA PROTECTION CURRENT GENERATOR STARTING CIRCUIT REFERENCE VOLTAGE ERROR AMPLIFIER THERMAL PROTECTION MC78MXX/LM78MXX 3-Terminal 0.5A Positive Voltage Regulator

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 (Refer to the test circuits, 0 T J +125°C, I O =350mA, V I =10V, unless otherwise specified, C I = 0.33µF, C O =0.1µF) Note: 3. Load and line regulation are specified at constant junction temperature. Change in V o due to heating effects must be taken into account separately. Pulse testing with low duty is used. Parameter Symbol Value Unit Input Voltage (for V O = 5V to 18V) (for V O = 24V) V I V I V V Thermal Resistance Junction-Case (Note1) TO-220 (Tc = +25°C) R θJC 2.5 °C/W Thermal Resistance Junction-Air (Note1, 2) TO-220 (Ta = +25°C) D-PAK (Ta = +25°C) R θJA °C/W Operating Junction Temperature Range T OPR 0 ~ +150 °C Storage Temperature Range T STG -65 ~ +150 °C Parameter Symbol Conditions Min. Typ. Max. Unit Output Voltage V O T J VI O = 5mA to 350mA V I = 7V to 20V 4.75 5 5.25 Line Regulation (Note3) ∆V O I O = 200mA T J =+25°C V I = 7V to 25V - - 100 mVV I = 8V to 25V - - 50 Load Regulation (Note3) ∆V O I O = 5mA to 0.5A, T J =+25°C - - 100 mV I O = 5mA to 200mA, T J =+25 °C- - 5 0 Quiescent Current I Q T J Quiescent Current Change ∆I Q I O = 5mA to 350mA - - 0.5 mAI O = 200mA V I = 8V to 25V -- 0 . 8 Output Voltage Drift ∆V/∆T I O = 5mA T J Output Noise Voltage V N f = 10Hz to 100kHz - 40 - µ V/Vo Ripple Rejection RR f = 120Hz, I O = 300mA V I = 8V to 18V, T J =+25 °C -8 0- d B Dropout Voltage V D T J =+25°C, I O = 500mA - 2 - V Short Circuit Current I SC T J =+25°C, V I = 35V - 300 - mA Peak Current I PK T J =+25°C - 700 - mA

(Continued) (Refer to the test circuits, 0 T J +125°C, I O =350mA, V I =11V, unless otherwise specified, C I =0.33µF, C O =0.1µF) Note: 1. Load and line regulation are specified at constant junction temperature. Change in V o due to heating effects must be taken into account separately. Pulse testing with low duty is used. Parameter Symbol Conditions Min. Typ. Max. Unit Output Voltage V O T J VI O = 5mA to 350mA V I = 8V to 21V 5.7 6 6.3 Line Regulation (Note1) ∆V O I O = 200mA T J = +25°C V I = 8V to 25V - - 100 mVV I = 9V to 25V - - 50 Load Regulation (Note1) ∆V O I O = 5mA to 0.5A, T J = +25°C - - 120 mV I O = 5mA to 200mA, T J = +25°C- -6 0 Quiescent Current I Q T J = +25°C- 4 . 0 6 . 0 m A Quiescent Current Change ∆I Q I O = 5mA to 350mA - - 0.5 mAI O = 200mA V I = 9V to 25V -- 0 . 8 Output Voltage Drift ∆V/∆T I O = 5mA T J Output Noise Voltage V N f = 10Hz to 100kHz - 45 - µ V/Vo Ripple Rejection RR f = 120Hz, I O = 300mA V I = 9V to 19V, T J =+25 °C -8 0 - d B Dropout Voltage V D T J =+25°C, I O = 500mA - 2 - V Short Circuit Current I SC T J = +25°C, V I = 35V - 300 - mA Peak Current I PK T J =+25°C - 700 - mA

(Continued) (Refer to the test circuits, 0 T J +125°C, I O =350mA, V I =14V, unless otherwise specified, C I = 0.33µF, C O =0.1µF) Note: 1. Load and line regulation are specified at constant junction temperature. Change in V O due to heating effects must be taken into account separately. Pulse testing with low duty is used. Parameter Symbol Conditions Min. Typ. Max. Unit Output Voltage V O T J VI O = 5mA to 350mA V I = 10.5V to 23V 7.6 8 8.4 Line Regulation (Note1) ∆V O I O = 200mA T J =+25°C V I = 10.5V to 25V - - 100 mVV I = 11V to 25V - - 50 Load Regulation (Note1) ∆V O I O = 5mA to 0.5A, T J =+25°C - - 160 mV I O = 5mA to 200mA, T J =+25°C- - 8 0 Quiescent Current I Q T J = +25°C- 4 . 0 6 . 0 m A Quiescent Current Change ∆I Q I O = 5mA to 350mA - - 0.5 mAI O = 200mA V I = 10.5V to 25V -- 0 . 8 Output Voltage Drift RR I O = 5mA T J Output Noise Voltage V N f = 10Hz to 100kHz - 52 - µ V/Vo Ripple Rejection RR f = 120Hz, I O = 300mA V I = 11.5V to 21.5V, T J =+25 °C -8 0- d B Dropout Voltage V D T J = +25°C, I O = 500mA - 2 - V Short Circuit Current I SC T J = +25°C, V I = 35V - 300 - mA Peak Current I PK T J = +25°C - 700 - mA

(Continued) (Refer to the test circuits, 0 T J +125°C, I O =350mA, V I =19V, unless otherwise specified, C I =0.33µF, C O =0.1µF) Note: 1. Load and line regulation are specified at constant junction temperature. Change in V o due to heating effects must be taken into account separately. Pulse testing with low duty is used. Parameter Symbol Conditions Min. Typ. Max. Unit Output Voltage V O T J = +25°C 11.5 12 12.5 VI O = 5mA to 350mA V I = 14.5V to 27V 11.4 12 12.6 Line Regulation (Note1) ∆V O I O = 200mA T J = +25°C V I = 14.5V to 30V - - 100 mVV I = 16V to 30V - - 50 Load Regulation (Note1) ∆V O I O = 5mA to 0.5A, T J = +25°C - - 240 mV I O = 5mA to 200mA, T J = +25°C - - 120 Quiescent Current I Q T J Quiescent Current Change ∆I Q I O = 5mA to 350mA - - 0.5 mAI O = 200mA V I = 14.5V to 30V -- 0 . 8 Output Voltage Drift ∆V/∆T I O = 5mA T J Output Noise Voltage V N f = 10Hz to 100kHz - 75 - µ V/Vo Ripple Rejection RR f = 120Hz, I O = 300mA V I = 15V to 25V, T J =+25 °C -8 0-d B Dropout Voltage V D T J =+25°C, I O = 500mA - 2 - V Short Circuit Current I SC T J = +25°C, V I = 35V - 300 - mA Peak Current I PK T J = +25°C - 700 - mA

(Continued) (Refer to the test circuits, 0 T J +125°C, I O =350mA, V I =23V, unless otherwise specified, C I =0.33µF, C O =0.1µF) Note: 1. Load and line regulation are specified at constant junction temperature. Change in V O due to heating effects must be taken into account separately. Pulse testing with low duty is used. Parameter Symbol Conditions Min. Typ. Max. Unit Output Voltage V O T J = +25°C 14.4 15 15.6 VI O = 5mA to 350mA V I = 17.5V to 30V 14.25 15 15.75 Line Regulation (Note1) ∆V O I O = 200mA T J =+25°C V I = 17.5V to 30V - - 100 mVV I = 20V to 30V - - 50 Load Regulation (Note1) ∆V O I O = 5mA to 0.5A, T J =+25°C - - 300 mV I O = 5mA to 200mA, T J =+25°C - - 150 Quiescent Current I Q T J = +25°C- 4 . 1 6 . 0 m A Quiescent Current Change ∆I Q I O = 5mA to 350mA - - 0.5 mAI O = 200mA V I = 17.5V to 30V -- 0 . 8 Output Voltage Drift ∆V/∆T I O = 5mA T J Output Noise Voltage V N f = 10Hz to 100kHz - 100 - µ V/Vo Ripple Rejection RR f = 120Hz, I O = 300mA V I = 18.5V to 28.5V, T J =+25 °C -7 0 - d B Dropout Voltage V D T J =+25°C, I O = 500mA - 2 - V Short Circuit Current I SC T J = +25°C, V I = 35V - 300 - mA Peak Current I PK T J = +25°C - 700 - mA

(Continued) (Refer to the test circuits, 0 T J +125°C, I O =350mA, V I =26V, unless otherwise specified, C I =0.33µF, C O =0.1µF) Note: 1. Load and line regulation are specified at constant junction temperature. Change in V O due to heating effects must be taken into account separately. Pulse testing with low duty is used. Parameter Symbol Conditions Min. Typ. Max. Unit Output Voltage V O T J = +25°C 17.3 18 18.7 VI O = 5mA to 350mA V I = 20.5V to 33V 17.1 18 18.9 Line Regulation (Note1) ∆V O I O = 200mA T J = +25°C V I = 21V to 33V - - 100 mVV I = 24V to 33V - - 50 Load Regulation (Note1) ∆VΟ I O = 5mA to 0.5A, T J = +25°C - - 360 mV I O = 5mA to 200mA, T J = +25°C - - 180 Quiescent Current I Q T J = +25°C- 4 . 2 6 . 0 m A Quiescent Current Change ∆I Q I O = 5mA to 350mA - - 0.5 mAI O = 200mA V I = 21V to 33V -- 0 . 8 Output Voltage Drift ∆V/∆TI O = 5mAT J = 0 to 125°C- - 1 . 1 - m V / °C Output Noise Voltage V N f = 10Hz to 100kHz - 100 - µV/Vo Ripple Rejection RR f = 120Hz, I O = 300mA , V I = 22V to 32V T J =+25 °C -7 0 - d B Dropout Voltage V D T J = +25°C, I O = 500mA - 2 - V Short Circuit Current I SC T J = +25°C, V I = 35V - 300 - mA Peak Current I PK T J = +25°C - 700 - mA

(Continued) (Refer to the test circuits, 0 T J +125°C, I O =350mA, V I =33V, unless otherwise specified, C I =0.33µF, C O =0.1µF) Note: 1. Load and line regulation are specified at constant junction temperature. Change in V O due to heating effects must be taken into account separately. Pulse testing with low duty is used. Parameter Symbol Conditions Min. Typ. Max. Unit Output Voltage V O T J =+25°C2 3 2 4 2 5 VI O = 5mA to 350mA V I = 27V to 38V 22.8 24 25.2 Line Regulation (Note1) ∆V O I O = 200mA T J =+25°C V I = 27V to 38V - - 100 mVV I = 28V to 38V - - 50 Load Regulation (Note1) ∆V O I O = 5mA to 0.5A, T J =+25°C - - 480 mV I O = 5mA to 200mA, T J =+25°C - - 240 Quiescent Current I Q T J = +25°C- 4 . 2 6 . 0 m A Quiescent Current Change ∆I Q I O = 5mA to 350mA - - 0.5 mAI O = 200mA V I = 27V to 38V -- 0 . 8 Output Voltage Drift ∆V/∆T I O = 5mA T J Output Noise Voltage V N f = 10Hz to 100kHz - 170 - µ V/Vo Ripple Rejection RR f = 120Hz, I O = 300mA V I = 28V to 38V, T J =+25 °C -7 0- d B Dropout Voltage V D T J = +25°C, I O = 500mA - 2 - V Short Circuit Current I SC T J = +25°C, V I = 35V - 300 - mA Peak Current I PK T J = +25°C - 700 - mA

4.50 ±0.20 9.90 ±0.20 1.52 ±0.10 0.80 ±0.10 2.40 ±0.20 10.00 ±0.20 1.27 ±0.10 ø3.60 ±0.10 (8.70) 2.80 ±0.10 15.90 ±0.20 10.08 ±0.30 18.95MAX. (1.70) (3.70)(3.00) (1.46) (1.00) (45 9.20 ±0.20 13.08 ±0.20 1.30 ±0.10 1.30 +0.10 –0.05 0.50 +0.10 –0.05 2.54TYP [2.54 ±0.20 2.54TYP [2.54 ±0.20 TO-220

(Continued) Package Dimensions in millimeters 6.60 ±0.20 2.30 ±0.10 0.50 ±0.10 5.34 ±0.30 0.70 ±0.20 0.60 ±0.20 0.80 ±0.20 9.50 ±0.30 6.10 ±0.20 2.70 ±0.20 9.50 ±0.30 6.10 ±0.20 2.70 ±0.20 MIN0.55 0.76 ±0.10 0.50 ±0.10 1.02 ±0.20 2.30 ±0.20 6.60 ±0.20 0.76 ±0.10 (5.34) (1.50) (2XR0.25) (5.04) 0.89 ±0.10 (0.10) (3.05) (1.00) (0.90) (0.70) 0.91 ±0.10 2.30TYP [2.30±0.20] 2.30TYP [2.30±0.20] MAX0.96 D-PAK

Ordering Information

Product Number Package Operating Temperature LM78M05CT TO-220 0 ~ +125 °C Product Number Package Operating Temperature MC78M05CT TO-220 0 ~ +125°C MC78M06CT MC78M08CT MC78M12CT MC78M15CT MC78M18CT MC78M24CT MC78M05CDT D-PAKMC78M06CDT MC78M08CDT MC78M12CDT

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