LM78MXxX/I FIXED VOLTAGE REGULATOR (POSITIVE) 3-TERMINAL 0.5A POSITIVE VOLTAGE REGULATORS The LM78MXXC/ series of three-terminal positive regulators are avail- able in the TO-220 package with several fixed output voltages making it useful in a wide range of applications. FEATURES Output Current up to 0.5A e Thermal Overload Protection Output Voltages of 5; 6; 8; 10; 12; 15; 18; 20; 24V TO-220 t:lnput 2: GND 3: Output ORDERING INFORMATION @ Short Circuit Protection Output Transistor SOA Protection Device Package Operating Temperature Industrial and commercial temperature range LM78MXXT TO-220 O~ + 125C LM78MXXIT | TO-220 - 40 ~ +125C BLOCK DIAGRAM INPUT SERIES OUTPUT o PASS Oo 1 ELEMENT 3 CURRENT SOA . GENERATOR PROTECTION R20 STARTING REFERENCE ERROR CIRCUIT VOLTAGE AMPLIFIER > R19 THERMAL > PROTECTION GND oO oO 2 ee Rev. B FAIRCHILD ee SEMICONDUCTOR -v 1999 Fairchild Semiconductor Corporation ABSOLUTE MAXIMUM RATINGS (Ta=25C, unless otherwise specified)LM78MXxX/I FIXED VOLTAGE REGULATOR (POSITIVE) Characteristic Symbol Value Unit Input Voltage (for Vo = 5V to 18V) Vi 35 Vv (for Vo = 24V) Vi 40 Vv Thermal Resistance Junction-Cases Reuc 5 C IW Thermal Resistance Junction-Air Rega 65 C IW Operating Temperature Range KA78XxX| T -40~ + 125 C KA78XX OPR O~ + 125 C Storage Temperature Range Tste -65~ + 150 C LM78M05/l ELECTRICAL CHARACTERISTICS (Refer to the test circuits, Tain Ty 125C, lo=350mA, Vi=10V, unless otherwise specified, C)= 0.33uF, Co=0.1p1F) Characteristic Symbol Test Conditions Min Typ Max Unit Ty= 25C 48 5 52 Output Voltage Vo lo =5 to 350MA Vv Viz7 to 20V 4.75 5 5.25 Line Regulation AVo lo = 200mA Vis 7 to 25V 100 mV Ty = 25C Vi =8 to 25V 50 = = 25 100 Load Regulation AVo lo = SMA to 0.5A, Ty = 25C mV lo = 5mA to 200mA, Ty = 25C 50 Quiescent Current le Ty= 25C 4.0 6 mA lo = 5mA to 350mA 0.5 Quiescent Current Change Ala lo = 200mMA 08 mA V, = 8 to 25V , . AVo lo =5mA O Vol D -0.5 ViPS utput Voltage Drift aT Ty =0 to 125C m Output Noise Voltage Vn f = 10Hz to 100KHz 40 pV : gs f = 120HZz, lo = 300mMA Ripple Rejection RR Vi=8 to 18V 62 dB Dropout Voltage Vp Ty = 25C, lo = 500MA 2 Vv Short Circuit Current Isc Ty= 25C, Vi= 35V 300 mA Peak Current IpK Ty = 25C 700 mA * Tain Ts Tax LM78MXXI:Twin=-40C, TMAX =+125C LM78MXxX: Tmin=0C, TMAX =+125C * must be taken into account separately. Pulse testing with low duty is used. Load and line regulation are specified at constant junction temperature. Change in Vo due to heating effects ee FAIRCHILD ee SEMICONDUCTOR -vLM78MXxX/I FIXED VOLTAGE REGULATOR (POSITIVE) LM78M06/l ELECTRICAL CHARACTERISTICS (Refer to the test circuits, Tain Ty 125C, lo=350mA, Vi=11V, unless otherwise specified, C) = 0.33uF, Co=0.1p1F) Characteristic Symbol Test Conditions Min Typ Max Unit Ty= 25C 5.75 6 6.25 Output Voltage Vo lo =5 to 350MA Vv Vie 8 to 21V 5.7 6 6.3 Line Regulation AVo lo = 200mA Vig 8 to 25V 100 mV Ty = 25C Vi =9 to 25V 50 Load Regulation AVo lp = 5MA to 0.5A, Ty = 25C 120 mV lo = 5mA to 200mMA, Ty = 25C 60 Quiescent Current le Ty= 25C 4.0 6 mA lo = 5mA to 350mA 0.5 Quiescent Current Change Ala lo = 200mMA 08 mA Vi =9 to 25V , . AVo lo =5mA Output Volt Drift -0.5 utput Voltage Dri AT Ty =0 to 125C mV/C Output Noise Voltage Vn f = 10Hz to 100KHz 45 pV : gs f = 120HZz, lo = 300mMA Ripple Rejection RR Vi=9 to 19V 59 dB Dropout Voltage Vp Ty = 25C, lo = 500MA 2 Vv Short Circuit Current Isc Ty= 25C, Vi= 35V 300 mA Peak Current IpK Ty = 25C 700 mA *TMIN LM78MXXI:Tmin=-40C LM78MXX: Tyin=0C * 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. ee FAIRCHILD ee SEMICONDUCTOR -vLM78MXxX/I FIXED VOLTAGE REGULATOR (POSITIVE) LM78M08/I ELECTRICAL CHARACTERISTICS (Refer to the test circuits, Tain Ty 125C, lo=350mA, Vi=14V, unless otherwise specified, C)= 0.33uF, Co=0.1p1F) Characteristic Symbol Test Conditions Min Typ Max Unit Ty= 25C 77 8 8.3 Output Voltage Vo lo =5 to 350MA Vv Vi= 10.5 to 23V 76 8 8.4 Line Regulation AVo lo = 200mA Vi= 10.5 to 25V 100 mV Ty = 25C Vi = 11 to 25V 50 = = 25 160 Load Regulation AVo lo= SMA to 0.5A, Ty = 25C mV lo = 5mA to 200mMA, Ty = 25C 80 Quiescent Current le Ty= 25C 4.0 6 mA lo = 5mA to 350mA 0.5 Quiescent Current Change Ala lo = 200mMA 0.8 mA V, = 10.5 to 25V AVo lo = 5mA Output Voltage Drift ST ty =0to 125C - 0.5 mV/C Output Noise Voltage Vn f = 10Hz to 100KHz 52 pV : gs f = 120HZz, lo = 300mMA Ripple Rejection RR Vi=9 to 19V 56 dB Dropout Voltage Vb Ty = 25C, lo = 500MA 2 Vv Short Circuit Current Isc Ty= 25C, Vi= 35V 300 mA Peak Current IpK Ty = 25C 700 mA *TMIN LM78MXXI:Tmin=-40C LM78MXX: Tyin=0C * 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. ee FAIRCHILD ee SEMICONDUCTOR -vLM78MXxX/I FIXED VOLTAGE REGULATOR (POSITIVE) LM78M10/l ELECTRICAL CHARACTERISTICS (Refer to the test circuits, Tain Ty 125C, lo=350mA, Vi=17V, unless otherwise specified, C)= 0.33uF, Co=0.1p1F) Characteristic Symbol Test Conditions Min Typ Max Unit Ty= 25C 9.6 10 10.4 Output Voltage Vo lo =5 to 350MA Vv Vi= 12.5 to 25V 96 10 10.5 Line Regulation AVo lo = 200mMA Vi= 12.5 to 25V 100 mV Ty = 25C V, = 13 to 25V 50 = = 25 200 Load Regulation AVo lo = SMA to 0.5A, Ty = 25C mV lo = 5mA to 200mA, Ty = 25C 100 Quiescent Current le Ty= 25C 44 6 mA lo = 5mA to 350mA 0.5 Quiescent Current Change Ala lo = 200mMA 08 mA Vi = 12.5 to 25V , . AVo lo = 5mA Output Volt Drift -0.5 utput Voltage Dri <T Ty =0 to 125C mV/C Output Noise Voltage Vn f = 10Hz to 100KHz 65 pV : gs f = 120HZz, lo = 300mMA Ripple Rejection RR Vi= 13 to 23V 55 dB Dropout Voltage Vb Ty = 25C, lo = 500MA 2 Vv Short Circuit Current Isc Ty= 25C, Vi= 35V 300 mA Peak Current IpK Ty = 25C 700 mA *TMIN LM78MXXI:Tmin=-40C LM78MXX: Tyin=0C * 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. ee FAIRCHILD ee SEMICONDUCTOR -vLM78MXxX/I FIXED VOLTAGE REGULATOR (POSITIVE) LM78M12/l ELECTRICAL CHARACTERISTICS (Refer to the test circuits, Tain Ty 125C, lo=350mA, Vi=19V, unless otherwise specified, C,= 0.33uF, Co=0.1pF) Characteristic Symbol Test Conditions Min Typ Max Unit Ty= 25C 11.5 12 12.5 Output Voltage Vo lo =5 to 350MA Vv Vi= 14.5 to 27V 116 12 126 Lines Regulation AVo lo = 200mA Vi= 14.5 to 30V 100 mV Ty = 25C Vi = 16 to 30V 50 Load Regulation AVo lp = 5MA to 0.5A, Ty = 25C 240 mV lo = 5mA to 200mMA, Ty = 25C 120 Quiescent Current le Ty= 25C 44 6 mA lo = 5mA to 350mA 0.5 Quiescent Current Change Ala lo = 200mMA 08 mA Vi = 14.5 to 30V , . AVo lo = 5mA Output Volt Drift -0.5 utput Voltage Dri aT Ty =0 to 125C mV/C Output Noise Voltage Vn f = 10Hz to 100KHz 75 pV : va f = 120HZz, lo = 300mMA Ripple Rejection RR Vi= 15 to 25V 55 dB Dropout Voltage Vb Ty = 25C, lo = 500mMA 2 Vv Short Circuit Current Isc Ty= 25C, Vi= 35V 300 mA Peak Current IpK Ty = 25C 700 mA *TMIN LM78MXXI:Tmin=-40C LM78MXX: Tyin=0C * 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. ee FAIRCHILD ee SEMICONDUCTOR -vLM78MXxX/I FIXED VOLTAGE REGULATOR (POSITIVE) LM78M15/l ELECTRICAL CHARACTERISTICS (Refer to the test circuits, Tain Ty 125C, lo=350mA, Vi=23V, unless otherwise specified, C)= 0.33uF, Co=0.1p1F) Characteristic Symbol Test Conditions Min Typ Max Unit Ty= 25C 14.4 15 15.6 Output Voltage Vo lo =5 to 350MA Vv Vic 17.5 to 30V 14.25 15 15.75 Line Regulation AVo lo = 200mA Vi= 17.5 to 30V 100 mV Ty = 25C V, = 20 to 30V 50 Load Regulation AVo lp = 5MA to 0.5A, Ty = 25C 300 mV lo = 5mA to 200mA, Ty = 25C 150 Quiescent Current le Ty= 25C 44 6 mA lo = 5mA to 350mA 0.5 Quiescent Current Change Ala lo = 200mMA 08 mA Vi = 17.5 to 30V , . AVo lo = 5mA Output Volt Drift -4 utput Voltage Dri aT Ty =0 to 125C mV/C Output Noise Voltage Vn f = 10Hz to 100KHz 100 pV : gs f = 120HZz, lo = 300mMA Ripple Rejection RR Vi= 18.5 to 28.5V 54 dB Dropout Voltage Vp Ty = 25C, lo = 500MA 2 Vv Short Circuit Current Isc Ty= 25C, Vi= 35V 300 mA Peak Current IpK Ty = 25C 700 mA *TMIN LM78MXXI:Twin=-40C LM78 MXX:Tmin=0 C * 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. ee FAIRCHILD ee SEMICONDUCTOR -vLM78MXxX/I FIXED VOLTAGE REGULATOR (POSITIVE) LM78M18/l ELECTRICAL CHARACTERISTICS (Refer to the test circuits, Tain Ty 125C, lo=350mA, Vi=26V, unless otherwise specified, C)= 0.33uF, Co=0.1p1F) Characteristic Symbol Test Conditions Min Typ Max Unit Ty= 25C 17.3 18 18.7 Output Voltage Vo lo =5 to 350MA Vv Vi= 20.5 to 33V 17.1 18 18.9 Line Regulation AVo lo = 200mA Vi= 21 to 33V 100 mV Ty = 25C Vi = 24 to 38V 50 = = 25 360 Load Regulation AVo lo = SMA to 0.5A, Ty = 25C mV lo = 5mA to 200mMA, Ty = 25C 180 Quiescent Current le Ty= 25C 42 6 mA lo = 5mA to 350mA 0.5 Quiescent Current Change Ala lo = 200mMA 08 mA Vi = 21 to 33V , . AVo lo = 5mA Output Volt Drift -14 0 utput Voltage Dri aT Ty =0 to 125C mV/C Output Noise Voltage Vn f = 10Hz to 100KHz 100 pV : gs f = 120HZz, lo = 300mMA Ripple Rejection RR Vi = 22 to 32V 53 dB Dropout Voltage Vp Ty = 25C, lo = 500MA 2 Vv Short Circuit Current Isc Ty= 25C, Vi= 35V 300 mA Peak Current IpK Ty = 25C 700 mA *TMIN LM78MXXI:Twin=-40C LM78 MXX:Tmin=0 C * 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. ee FAIRCHILD ee SEMICONDUCTOR -vLM78MXxX/I FIXED VOLTAGE REGULATOR (POSITIVE) LM78M20/l ELECTRICAL CHARACTERISTICS (Refer to the test circuits, Tain Ty 125C, lo=350mA, Vi=29V, unless otherwise specified, C) = 0.33uF, Co=0.1p1F) Characteristic Symbol Test Conditions Min Typ Max Unit Ty= 25C 19.2 20 20.8 Output Voltage Vo lo =5 to 350MA Vv Vi= 23 to 35V 19 20 21 Line Regulation AVo lo = 200mA Vi= 23 to 35V 100 mV Ty = 25C Vi = 24 to 35V 50 Load Regulation AVo lo = SMA to 0.5A, Ty = 25C 400 mV lo = 5mA to 200mMA, Ty = 25C 200 Quiescent Current le Ty= 25C 42 6 mA lo = 5mA to 350mA 0.5 Quiescent Current Change Ala lo = 200mMA 08 mA Vi = 23 to 35V , . AVo lo = 5mA Output Volt Drift -1. ViPS pn wonege wn AT Ty = 0 to 125C 1 m Output Noise Voltage Vn f = 10Hz to 100KHz 110 pV : va f = 120HZz, lo = 300mMA Ripple Rejection RR Vi = 24 to 34V 53 dB Dropout Voltage Vb Ty = 25C, lo = 500MA 2 Vv Short Circuit Current Isc Ty= 25C, Vi= 35V 300 mA Peak Current IpK Ty = 25C 700 mA *TMIN LM78MXXI:Twin=-40C LM78 MXX:Tmin=0 C * 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. ee FAIRCHILD ee SEMICONDUCTOR -vLM78MXxX/I FIXED VOLTAGE REGULATOR (POSITIVE) LM78M24/l ELECTRICAL CHARACTERISTICS (Refer to the test circuits, Tain Ty 125C, lo=350mA, Vi=33V, unless otherwise specified, C)= 0.33uF, Co=0.1p1F) Characteristic Symbol Test Conditions Min Typ Max Unit Ty= 25C 23 24 25 Output Voltage Vo lo =5 to 350MA Vv Viz 27 to 38V 22.8 24 25.2 Line Regulation AVo lo = 200mA Vi= 27 to 38V 100 mV Ty = 25C V, = 28 to 38V 50 Load Regulation AVo lp = SMA to 0.5A, Ty = 25C 480 mV lo = 5mA to 200mA, Ty = 25C 240 Quiescent Current le Ty= 25C 42 6 mA lo = 5mA to 350mA 0.5 Quiescent Current Change Ala lo = 200mMA 0.8 mA V = 27 to 38V . AVo lo = 5mA Output Volt Drift -1.2 utput Voltage Dri aT Ty =0 to 125C mV/C Output Noise Voltage Vn f = 10Hz to 100KHz 170 pV : gs f = 120HZz, lo = 300mMA Ripple Rejection RR V\= 28 to 38V 50 dB Dropout Voltage Vp Ty = 25C, lo = 500MA 2 Vv Short Circuit Current Isc Ty= 25C, Vi= 35V 300 mA Peak Current IpK Ty = 25C 700 mA *TMIN LM78MXXI:Twin=-40C LM78 MXX:Tmin=0 C * 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. ee FAIRCHILD ee SEMICONDUCTOR -vLM78MXxX/I FIXED VOLTAGE REGULATOR (POSITIVE) APPLICATION CIRCUIT Fig. 1 Fixed output regulator Fig. 2 Constant current regulator 7 KA78MXX Pt Vv, KA78MXX 7 L3 O33.uF OF 2 3 VXx |] Tease of oe 4 \ m i} Ri Notes: (1) To specify an output voltage, substitute voltage value for "XX". n= Vyx | (2) Although no output capacitor is needed for stability, it does o -R, to improve transient response. (3) Required if regulator is located an appreciable distance from power Supply filter. Fig. 4 Adjustable output regulator (7 to 30V) Fig. 3 Circuit for Increasing output voltage Vv 0 ) xavemos |S 0 1 3 Vo v, KA78MXX 2 Vo O.1uF 0.33pF 4 ae = |S > To | all 3 10Ka 4 In1 2 5lo Ai Vo = Vix (1+ Rafi) + lo Re 2 mM Fig. 5 0.5 to 10V Regulator TW< V, <25V 3 KA78MOS t O Vo $ Ra C1 2 @ 9100 = VXX 0.33.F go $ 9.1K0 wi. C2 { Ma T~ O1ur Ra 6 Vo =Vxx R -V<-V, <17V 10kn 1 o HE) eee epee ee FAIRCHILD re eee SEMICONDUCTOR -vTRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. ACEx ISOPLANAR CoolFET MICROWIRE CROSSVOLT POP E?CMOS PowerTrench FACT qs FACT Quiet Series Quiet Series FAST SuperSOT-3 FASTr SuperSOT-6 GTo SuperSOT-8 HiSeC TinyLogic DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILDS PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or 2. A critical component is any component of a life systems which, (a) are intended for surgical implant into support device or system whose failure to perform can the body, or (b) support or sustain life, or (c) whose be reasonably expected to cause the failure of the life failure to perform when properly used in accordance support device or system, or to affect its safety or with instructions for use provided in the labeling, can be effectiveness. reasonably expected to result in significant injury to the user. PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Product Status Definition Advance Information Formative or This datasheet contains the design specifications for In Design product development. Specifications may change in any manner without notice. Preliminary First Production This datasheet contains preliminary data, and supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. No Identification Needed Full Production This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. Obsolete Not In Production This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only.