79DXX_V01 UTC | Alldatasheet
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UNISONIC TECHNOLOGIES CO., LTD 79DXX LINEAR INTEGRATED CIRCUIT www.unisonic.com.tw 1 of 7 Copyright © 2023 Unisonic Technologies Co., Ltd QW-R101-012.K 3 TERMINAL 0.5A NEGATIVE VOLTAGE REGULATOR DESCRIPTION The UTC 79DXX series of three-terminal negative regulators are available with several fi xed output voltage, making them useful in a wide range of applicat ion. Each type employs internal current limiting, thermal shut-d own and safe area protection, making it essentially indestructible. FEATURES * Output current up to 0.5A * -5V, -6V, -8V, -9V, -12V, -15V, -18V, -24V output voltage available * Thermal overload protection * Short circuit protection ORDERING INFORMATION Ordering Number Package Pin Assignment Packing Lead Free Halogen Free 1 2 3 79DXXL-AB3-R 79DXXG-AB3-R SOT-89 O G I Tape Reel 79DXXL-TM3-T 79DXXG-TM3-T TO-251 G I O Tube 79DXXL-TN3-T 79DXXG-TN3-T TO-252 G I O Tube 79DXXL-TN3-R 79DXXG-TN3-R TO-252 G I O Tape Reel Notes: 1. xx: output voltage, refer to Marking Information 2. Pin Code: I: Input G: GND O: Output
79DXX LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 2 of 7 www.unisonic.com.tw Q W - R 1 0 1 - 0 1 2 . K MARKING INFORMATION PACKAGE VOLTAGE CODE MARKING TO-251 TO-252 05 : -5V 06 : -6V 08 : -8V 09 : -9V 12 : -12V 15 : -15V 18 : -18V 24 : -24V SOT-89 79DXX 123 Date Code Voltage Code Pin Code L: Lead Free G: Halogen Free BLOCK DIAGRAM Voltage reference Protection circuitry GND OUTPUT INPUTRSC
79DXX LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 3 of 7 www.unisonic.com.tw Q W - R 1 0 1 - 0 1 2 . K ABSOLUTE MAXIMUM RATINGS (TA=25C, unless otherwise specified) PARAMETER SYMBOL RATINGS UNIT Input Voltage VOUT= -5 ~ -18V VIN -35 V VOUT= -20 ~ -24V -40 V Power Dissipation SOT-89 PD 0.55 W TO-251/TO-252 0.89 W Operating Temperature T OPR -40 ~ +125 C Storage Temperature T STG -65 ~ +150 C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. THERMAL DATA PARAMETER SYMBOL RATINGS UNIT Thermal Resistance Junction-Air SOT-89 θJA 180 C/W TO-251/TO-252 112 C/W Thermal Resistance Junction-Cases SOT-89 θJC 50 C/W TO-251/TO-252 12.5 C/W ELECTRICAL CHARACTERISTICS (0<TJ<125C, unless otherwise specified) For 79D05 (VIN=-10V, IOUT=500mA, CI=33uF, CO=1uF) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Output Voltage V OUT 5.0mA<IOUT<0.5A Line Regulation VOUT TJ=25C, VIN=-7V ~ -25V 10 100 mV TJ=25C, VIN=-8V ~ -12V 5 60 mV Load Regulation VOUT TJ=25C, IOUT=5.0mA ~ 0.5A 10 100 mV TJ=25C, IOUT=5.0mA ~ 200mA 3 50 mV Quiescent Current I Q T J=25C 4.3 8 mA Quiescent Current Change IQ IOUT=5mA ~ 0.5A 0.05 0.5 mA VIN=-7V ~ -25V 0.1 1.3 mA Temperature Coefficient of VOUT VOUT/TI OUT=5mA -0.4 mV/ C Output Noise Voltage V N f=10Hz ~ 100kHz, Ta=25 C 100 V Ripple Rejection RR f=120Hz, V IN=-8V ~ -18V 54 60 dB Dropout Voltage V D I OUT=0.5A, TJ=25C 2 V For 79D06 (VIN=-11V, IOUT=500mA, CI=2.2uF, Co=1uF) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Output Voltage V OUT 5.0mA<IOUT<0.5A, Line Regulation VOUT TJ=25C, VIN=-8V ~ -25V 10 120 mV TJ=25C, VIN=-9V ~ -13V 5 60 mV Load Regulation VOUT TJ=25C, IOUT=5.0mA ~ 0.5A 10 120 mV TJ=25C, IOUT=5.0mA ~ 200mA 3 60 mV Quiescent Current I Q T J=25C 4.3 8 mA Quiescent Current Change IQ IOUT=5mA ~ 0.5A 0.5 mA VIN=-8V ~ -25V 1.3 mA Temperature Coefficient of VOUT VOUT/TI OUT=5mA -0.5 mV/ C Output Noise Voltage eN F=10Hz ~ 100kHz, Ta=25 C 130 V Ripple Rejection RR F=120Hz, V IN=-9V ~ -19V 54 60 dB Dropout Voltage V D I OUT=0.5A, TJ=25C 2 V
79DXX LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 4 of 7 www.unisonic.com.tw Q W - R 1 0 1 - 0 1 2 . K ELECTRICAL CHARACTERISTICS (Cont.) For 79D08 (VIN=-14V, IOUT=500mA, CI=2.2uF,CO=1uF) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Output Voltage V OUT 5.0mA<IOUT<0.5A Line Regulation VOUT TJ=25C, VIN=-10.5V ~ -25V 10 100 mV TJ=25C, VIN=-11.5V ~ -17V 5 80 mV Load Regulation VOUT TJ=25C, IOUT=5.0mA ~ 0.5A 12 160 mV TJ=25C, IOUT=5.0mA ~ 200mA 4 80 mV Quiescent Current I Q T J=25C 4.3 8 mA Quiescent Current change IQ IOUT=5mA ~ 0.5A 0.05 0.5 mA VIN=-11.5V ~ -25V 0.1 1.0 mA Temperature Coefficient of VOUT VOUT/TI OUT=5mA -0.6 mV/ C Output Noise Voltage eN f=10Hz ~ 100kHz, Ta=25 C 175 V Ripple Rejection RR f=120Hz, V IN=-11.5V ~ -21.5V 54 60 dB Dropout Voltage V D I OUT=0.5A, TJ=25C 2 V For 79D09 (VIN=-15V, IOUT=500mA, CI=2.2uF,Co=1uF) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Output Voltage V OUT 5.0mA<IOUT<0.5A Line regulation VOUT TJ=25C, VIN=-11.5V ~ - 25 V 10 180 mV TJ=25C, VIN =-12.5V ~ - 18V 5 90 mV Load Regulation VOUT TJ=25C, IOUT=5.0mA ~ 0.5A 12 180 mV TJ=25C, IOUT=5.0mA ~ 200mA 4 90 mV Quiescent Current I Q T J=25C 4.3 8 mA Quiescent Current Change IQ IOUT=5mA ~ 0.5A 0.05 0.5 mA VIN=-11.5V ~ -26V 0.1 1.0 mA Temperature Coefficient of VOUT VOUT/TI OUT=5mA -0.6 mV/ C Output Noise Voltage eN f=10Hz ~ 100kHz, Ta=25 C 175 μV Ripple Rejection RR f=120Hz V IN =-12.5V ~ -22.5V 54 60 dB Dropout Voltage V D I OUT=0.5A,TJ=25C 2 V For 79D12 (VIN=-18V, IOUT=500mA, CI=2.2uF,Co=1uF) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Output Voltage V OUT 5.0mA<IOUT<0.5A Line Regulation VOUT TJ=25C, VIN=-14.5V ~ -30V 12 240 mV TJ=25C, VIN=-16V ~ -22V 6 120 mV Load Regulation VOUT TJ=25C, IOUT=5.0mA ~ 0.5A 12 240 mV TJ=25C, IOUT=5.0mA ~ 200mA 4 120 mV Quiescent Current I Q T J=25C 4.3 8 mA Quiescent Current Change IQ IOUT=5mA ~ 0.5A 0.05 0.5 mA VIN=-14.5V ~ -30V 0.1 1.0 mA Temperature Coefficient of VOUT VOUT/TI OUT=5mA -0.8 mV/ C Output Noise Voltage eN f=10Hz ~ 100kHz, Ta=25 C 200 V Ripple Rejection RR f=120Hz, V IN=-15V ~ -25V 54 60 dB Dropout Voltage V D I OUT=0.5A, TJ=25C 2 V
79DXX LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 5 of 7 www.unisonic.com.tw Q W - R 1 0 1 - 0 1 2 . K ELECTRICAL CHARACTERISTICS (Cont.) For 79D15 (VIN=-23V, IOUT=500mA, CI=2.2uF, Co=1uF) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Output Voltage V OUT 5.0mA<IOUT<0.5A Line Regulation VOUT TJ=25C, VIN=-17.5V ~ -30V 12 300 mV TJ=25C, VIN=-20V ~ -26V 6 150 mV Load Regulation VOUT TJ=25C, IOUT=5.0mA ~ 0.5A 12 300 mV TJ=25C, IOUT=5.0mA ~ 200mA 4 150 mV Quiescent Current I Q T J=25C 4.3 8 mA Quiescent Current Change IQ IOUT=5mA ~ 0.5A 0.05 0.5 mA Temperature Coefficient of VOUT VOUT/TI OUT=5mA -0.9 mV/ C Output Noise Voltage eN f=10Hz ~ 100kHz, Ta=25 C 250 V Ripple Rejection RR f=120Hz, V IN=-18.5V ~ -28.5V 54 60 dB Dropout Voltage Vd I OUT=0.5A, TJ=25C 2 V For 79D18 (VIN=-27V, IOUT=500mA, CI=2.2uF, Co=1uF) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Output Voltage V OUT 5.0mA<IOUT<0.5A Line Regulation VOUT TJ=25C, VIN=-21V ~ -33V 15 360 mV TJ=25C, VIN=-24V ~ -30V 8 180 mV Load Regulation VOUT TJ=25C, IOUT=5.0mA ~ 0.5A 15 360 mV TJ=25C, IOUT=5.0mA ~ 200mA 5.0 180 mV Quiescent Current I Q T J=25C 4.3 8 mA Quiescent Current Change IQ IOUT=5mA ~ 0.5A 0.5 mA VIN=-21V ~ -32V 1.0 mA Temperature Coefficient of VOUT VOUT/TI OUT=5mA -1 mV/ C Output Noise Voltage eN f=10Hz ~ 100kHz, Ta=25 C 300 V Ripple Rejection RR f=120Hz, V IN=-22V ~ -32V 54 60 dB Dropout Voltage V D I OUT=0.5A, TJ=25C 2 V For 79D24 (VIN=-33V, IOUT=500mA, CI=2.2uF, Co=1uF) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Output Voltage V OUT 5.0mA<IOUT<0.5A Line Regulation VOUT TJ=25C, VIN=-27V ~ -38V 15 480 mV TJ=25C, VIN=-30V ~ -36V 8 240 mV Load Regulation VOUT TJ=25C, IOUT=5.0mA ~ 0.5A 15 480 mV TJ=25C, IOUT=5.0mA ~ 200mA 5.0 240 mV Quiescent Current I Q T J=25C 4.3 8 mA Quiescent Current Change IQ IOUT=5mA ~ 0.5A 0.5 mA VIN=-27V ~ -38V 1.0 mA Temperature Coefficient of VOUT VOUT/TI OUT=5mA -1 mV/ C Output Noise Voltage eN f=10Hz ~ 100kHz, Ta=25 C 400 V Ripple Rejection RR f=120Hz, V IN=-28V to -38V 54 60 dB Dropout Voltage V D I OUT=0.5A,TJ=25C 2 V
79DXX LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 6 of 7 www.unisonic.com.tw Q W - R 1 0 1 - 0 1 2 . K APPLICATION CIRCUITS Fig.1 Fixed output regulator UTC 79D15 UTC 78D151 2.2 F 1 F 0.1F0.33 F +20V +15V -15V-20V 1N4001 1N4001 Fig.2 Split power supply (±15V, 0.5A) UTC 79DXX 2.2 F 2.5 F C2 F -VOUT-VIN Fig.3 Circuit for increasing output voltage
79DXX LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 7 of 7 www.unisonic.com.tw Q W - R 1 0 1 - 0 1 2 . K TYPICAL CHARACTERISTICS UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. UTC reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice. This document supersedes and replaces all information supplied prior to the publication hereof.