79TXXAA UTC | Alldatasheet
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UNISONIC TECHNOLOGIES CO., LTD 79TXXAA Advance LINEAR INTEGRATED CIRCUIT www.unisonic.com.tw 1 of 5 Copyright © 2023 Unisonic Technologies Co., Ltd QW-R101-054.b 3 TERMINAL 1.5A NEGATIVE VOLTAGE REGULATOR DESCRIPTION The UTC 79TXXAA series of three-terminal negative regulators is available several fixed output voltage, making them useful in a wide range of application. Each type employs internal current limiting, thermal shut-down, making it essentially indestructible. FEATURES * Output current up to 1.5A * -5V, -12V output voltage available * Thermal overload protection TO-2631 TO-263-3 ORDERING INFORMATION Ordering Number Package Pin Assignment Packing Lead Free Halogen Free 1 2 3 79TXXAAL-TQ2-R 79TXXAAG-TQ2-R TO-263 G I O Tape Reel 79TXXAAL-TQ2-T 79TXXAAG-TQ2-T TO-263 G I O Tube 79TXXAAL-TQ3-R 79TXXAAG-TQ3-R TO-263-3 G I O Tape Reel 79TXXAAL-TQ3-T 79TXXAAG-TQ3-T TO-263-3 G I O Tube Note: Pin Code: G: GND I: Input O: Output
79TXXAA Advance LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 2 of 5 www.unisonic.com.tw QW-R101-054.b MARKING INFORMATION PACKAGE VOLTAGE CODE MARKING TO-263 TO-263-3 05:5V 12:12V 15: 15V 12 3 UTC 79TXXAA Date Code L: Lead Free G: Halogen Free Lot Code Voltage Code BLOCK DIAGRAM Voltage Reference Protection Circuitry GND OUTPUT INPUTRSC Fig.1
79TXXAA Advance LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 3 of 5 www.unisonic.com.tw QW-R101-054.b ABSOLUTE MAXIMUM RATINGS (TA=25C, unless otherwise specified) PARAMETER SYMBOL RATING UNIT Input Voltage V IN -35 V Output Current I OUT 1.5 A Power Dissipation P D Internally Limited 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 RATING UNIT Junction to Ambient θJA 65 C/W Junction to Case θJC 5 C/W ELECTRICAL CHARACTERISTICS (IOUT=0.5A, TJ=0C~125C, CI=2.2uF, CO=1uF, unless otherwise specified) For UTC 79T05AA (VIN=-10V) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Output Voltage V OUT T J=25C -4.80 -5.0 -5.20 V VIN=-7V~-20V, IOUT=5mA~1.5A -4.7 5 -5.25 V Dropout Voltage V D I OUT=1.5A T J=25C 2 V Line Regulation VOUT VIN=-7V~-25V T J=25C 10 100 mV VIN=-8V~-12V T J=25C 4 50 mV Load Regulation VOUT IOUT=5mA~1.5A T J=25C 10 100 mV IOUT=250mA~750mA T J=25C 3 50 mV Quiescent Current I Q T J=25C 3 6 mA Quiescent Current Change IQ IOUT=5mA~1A 0.05 0.5 mA VIN=-7V~-25V 0.1 1.3 mA Output Noise Voltage eN f=10Hz~100kHz T A=25C 100 μV Output Voltage Drift VOUT/T I OUT=5mA -0.4 mV/ C Ripple Rejection RR V IN=-8V~-18V, f=120Hz 54 60 dB Peak Current I PEAK T J=25C 2.2 A For UTC 79T12AA (VIN=-18V) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Output Voltage V OUT T J=25C -11.52 -12.0 -12.48 V VIN=-14.5V~-27V, IOUT=5mA~1.5A -11.40 -12.60 V Dropout Voltage V D I OUT=1.5A T J=25C 2 V Line Regulation VOUT VIN =-14.5V~-30V T J=25C 12 240 mV VIN =-16V~-22V T J=25C 6 120 mV Load Regulation VOUT IOUT=5mA~1.5A T J=25C 12 240 mV IOUT=250mA~750mA T J=25C 4 120 mV Quiescent Current I Q T J=25C 3 6 mA Quiescent Current Change IQ IOUT=5mA~1A 0.05 0.5 mA VIN=-14.5V~-30V 0.1 1.0 mA Output Noise Voltage eN f=10Hz~100kHz T A=25C 200 μV Output Voltage Drift VOUT/T I OUT=5mA -0.8 mV/ C Ripple Rejection RR V IN=-15V~-25V, f=120Hz 54 60 dB Peak Current I PEAK T J=25C 2.2 A
79TXXAA Advance LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 4 of 5 www.unisonic.com.tw QW-R101-054.b ELECTRICAL CHARACTERISTICS (Cont.) For UTC 79T15AA (VIN=-23V) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Output Voltage V OUT T J=25C -14.40 -15.0 -15.60 V VIN=-17.5V~-30V, IOUT=5mA~1.5A -14.25 -15.75 V Dropout Voltage V D I OUT=1.5A T J=25C 2 V Line Regulation VOUT VIN=-17.5V~-30V T J=25C 12 300 mV VIN=-20V~-26V T J=25C 6 150 mV Load Regulation VOUT IOUT=5mA~1.5A T J=25C 12 300 mV IOUT=250mA~750mA T J=25C 4 150 mV Quiescent Current I Q T J=25C 3 6 mA Quiescent Current Change IQ IOUT=5mA~1A 0.05 0.5 mA VIN=-17.5V~-30.5V 0.1 1.0 mA Output Noise Voltage eN f=10Hz~100kHz T A=25C 250 μV Output Voltage Drift VOUT/T I OUT=5mA -0.9 mV/ C Ripple Rejection RR V IN=-18.5V~-28.5V, f=120Hz 54 60 dB Peak Current I PEAK T J=25C 2.2 A
79TXXAA Advance LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 5 of 5 www.unisonic.com.tw QW-R101-054.b APPLICATION CIRCUITS UTC 79TXXAA 3 CO 1 μF CI 2.2 μF -VIN -VOUT Fig.1 Fixed output regulator Fig.2 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. 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.