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UNISONIC TECHNOLOGIES CO., LTD 79DXX LINEAR INTEGRATED CIRCUIT www.unisonic.com.tw 1 of 6 Copyright © 2013 Unisonic Technologies Co., Ltd QW-R101-012.F 3 TERMINAL 0.5A NEGATIVE VOLTAGE REGULATOR DESCRIPTION The UTC 79DXX series of three-terminal negative regulators are available in TO-251 and TO-252 packages and with several fixed output voltage, making t hem useful in a wide range of application. Each type employs inte rnal current limiting, thermal shut-down and safe area prot ection, making it essentially indestructible. FEATURES * Output current up to 0.5A * -5V, -6V, -8V, -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-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 Note: 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 6 www.unisonic.com.tw Q W - R 1 0 1 - 0 1 2 . F MARKING INFORMATION PACKAGE VOLTAGE CODE MARKING TO-251 TO-252 05 : -5V 06 : -6V 08 : -8V 12 : -12V 15 : -15V 18 : -18V 24 : -24V BLOCK DIAGRAM Voltage reference Protection circuitry GND OUTPUT INPUTRSC
79DXX LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 3 of 6 www.unisonic.com.tw Q W - R 1 0 1 - 0 1 2 . F ABSOLUTE MAXIMUM RATINGS (TA=25C) PARAMETER SYMBOL RATINGS UNIT Input Voltage VOUT= -5 ~ -18V VIN -35 V VOUT= -20 ~ -24V -40 V Operating Temperature T OPR -40 ~ +85 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 θJA 65 C/W Thermal Resistance Junction-Cases θJC 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, POUT<15W Line Regulation VOUT TJ=25C, VIN=-7V ~ -25V 10 100 mV TJ=25C, VIN=-8V ~ -12V 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=1.0A, 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, POUT<15W 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 6 www.unisonic.com.tw Q W - R 1 0 1 - 0 1 2 . F 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, POUT<15W 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,POUT<15W 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, POUT<15W 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 6 www.unisonic.com.tw Q W - R 1 0 1 - 0 1 2 . F 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, POUT<15W 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, POUT<15W 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, POUT<15W 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 6 www.unisonic.com.tw Q W - R 1 0 1 - 0 1 2 . F 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 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. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.