UNISONIC TECHNOLOGIES CO., LTD LM79XX LINEAR INTEGRATED CIRCUIT 3 TERMINAL 1A NEGATIVE VOLTAGE REGULATOR DESCRIPTION The UTC LM79XX 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 and safe area protection, making it essentially indestructible. FEATURES * Output Current Up to 1A * -5V, -6V, -8V, -9V,-12V, -15V, -18V, -24V Output Voltage Available * Thermal Overload Protection ORDERING INFORMATION Ordering Number Lead Free Halogen Free LM79xxL-TA3-T LM79xxG-TA3-T LM79xxL-TF3-T LM79xxG-TF3-T Note: Pin Assignment: O: Output G: GND I: Input www.unisonic.com.tw Copyright © 2014 Unisonic Technologies Co., Ltd Package TO-220 TO-220F Pin Assignment 1 2 3 G I O G I O Packing Tube Tube 1 of 8 QW-R101-007.H LM79XX LINEAR INTEGRATED CIRCUIT MARKING INFORMATION PACKAGE VOLTAGE CODE TO-220 TO-220F 05:-5.0V 06:-6.0V 08:-8.0V 09:-9.0V 12:-12V 15:-15V 18:-18V 24:-24V MARKING BLOCK DIAGRAM GND R1 R2 Voltage Reference OUTPUT Protection Circuitry RSC UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw INPUT 2 of 8 QW-R101-007.H LM79XX LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS (TA=25C, unless otherwise specified) PARAMETER SYMBOL RATING UNIT Input Voltage VIN -35 V Output Current IOUT 1 A Power Dissipation PD Internally Limited W Operating Temperature TOPR -40 ~ +85 C Storage Temperature TSTG -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 Junction to Ambient Junction to Case SYMBOL θJA θJC RATING 65 5 UNIT C /W C /W ELECTRICAL CHARACTERISTICS (IOUT=0.5A, TJ=0C~125C, CI=2.2uF, CO=1uF, unless otherwise specified) For UTC LM7905 (VIN=-10V) PARAMETER Output Voltage Dropout Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Output Noise Voltage Output Voltage Drift Ripple Rejection Peak Current SYMBOL TEST CONDITIONS MIN TJ=25C -4.80 VOUT VIN=-7V~-20V -4.75 IOUT=5mA~1A, PD≦15W VD IOUT=1A TJ=25C VIN=-7V~-25V TJ=25C VOUT VIN=-8V~-12V TJ=25C IOUT=5mA~1A TJ=25C VOUT IOUT=250mA~750mA TJ=25C IQ TJ=25C IOUT=5mA~1A IQ VIN=-7V~-25V eN f=10Hz~100kHz TA=25C VOUT/T IOUT=5mA RR VIN=-8V~-18V, f=120Hz 54 IPEAK TJ=25C UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw TYP -5.0 2 10 5 10 3 3 0.05 0.1 100 -0.4 60 2.2 MAX -5.20 UNIT V -5.25 V 100 60 100 50 6 0.5 1.3 V mV mV mV mV mA mA mA μV mV/C dB A 3 of 8 QW-R101-007.H LM79XX LINEAR INTEGRATED CIRCUIT ELECTRICAL CHARACTERISTICS(Cont.) For UTC LM7906 (VIN=-11V) PARAMETER TYP -6.00 Output Noise Voltage Output Voltage Drift Ripple Rejection Peak Current TEST CONDITIONS MIN TJ=25C -5.76 VOUT VIN=-8V~-21V, -5.70 IOUT=5mA~1A, PD≦15W VD IOUT=1.0A TJ=25C TJ=25C VIN=-8V~-25V VOUT VIN=-9V~-13V TJ=25C TJ=25C IOUT=5mA~1A VOUT IOUT=250mA~750mA TJ=25C IQ TJ=25C IOUT=5mA~1A IQ VIN=-8V~-25V eN f=10Hz~100kHz TA=25C VOUT/T IOUT=5mA RR VIN=-9V~-19V, f=120Hz 54 IPEAK TJ=25C For UTC LM7908 (VIN=-14V) PARAMETER SYMBOL TYP -8.0 Output Voltage Dropout Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Output Voltage Dropout Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Output Noise Voltage Output Voltage Drift Ripple Rejection Peak Current SYMBOL TEST CONDITIONS MIN TJ=25C -7.68 VOUT VIN=-10.5V~-23V, -7.60 IOUT=5mA~1A, PD≦15W VD IOUT=1A TJ=25C VIN=-10.5V~-25V TJ=25C VOUT VIN=-11.5V~-17V TJ=25C IOUT=5mA~1A TJ=25C VOUT IOUT=250mA~750mA TJ=25C IQ TJ=25C IOUT=5mA~1A IQ VIN=-11.5V~-25V eN f=10Hz~100kHz TA=25C VOUT/T IOUT=5mA RR VIN=-11.5V~-21.5V, f=120Hz 54 IPEAK TJ=25C UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 10 5 10 3 3 0.05 0.1 130 -0.5 60 2.2 2 10 5 12 4 3 0.05 0.1 175 -0.6 60 2.2 MAX -6.24 UNIT V -6.30 V 120 60 120 60 6 0.5 1.3 V mV mV mV mV mA mA mA μV mV/C dB A MAX -8.32 UNIT V -8.40 V 160 80 160 80 6 0.5 1.0 V mV mV mV mV mA mA mA μV mV/C dB A 4 of 8 QW-R101-007.H LM79XX LINEAR INTEGRATED CIRCUIT ELECTRICAL CHARACTERISTICS(Cont.) For UTC LM7909 (VIN=-15V) PARAMETER Output Voltage Dropout Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Output Noise Voltage Output Voltage Drift Ripple Rejection Peak Current For UTC LM7912 (VIN=-18V) PARAMETER SYMBOL TEST CONDITIONS MIN TJ=25C -8.64 VOUT VIN=-11.5V~-23V, -8.55 IOUT=5mA~1A, PD≦15W VD IOUT=1A TJ=25C VIN=-11.5V~-26V TJ=25C VOUT VIN=-12V~-18V TJ=25C IOUT=5mA~1A TJ=25C VOUT IOUT=250mA~750mA TJ=25C IQ TJ=25C IOUT=5mA~1A IQ VIN=-11.5V~-26V eN f=10Hz~100kHz TA=25C VOUT/T IOUT=5mA RR VIN=-12.5V~-22.5V, f=120Hz 54 IPEAK TJ=25C SYMBOL Output Voltage VOUT Dropout Voltage VD Line Regulation VOUT Load Regulation VOUT Quiescent Current IQ IQ Quiescent Current Change Output Noise Voltage Output Voltage Drift Ripple Rejection Peak Current eN VOUT/T RR IPEAK 2.0 10 5 12 4 3 0.05 0.1 175 -0.6 60 2.2 MAX -9.36 UNIT V -9.45 V 180 90 180 90 6 0.5 1.0 V mV mV mV mV mA mA mA μV mV/C dB A TEST CONDITIONS MIN TYP MAX UNIT V TJ=25C -11.52 -12.0 -12.48 VIN=-14.5V~-27V, -11.40 -12.60 V IOUT=5mA~1A, PD≦15W IOUT=1A TJ=25C 2 V TJ=25C 12 240 mV VIN =-14.5V~-30V VIN =-16V~-22V TJ=25C 6 120 mV TJ=25C 12 240 mV IOUT=5mA~1A IOUT=250mA~750mA TJ=25C 4 120 mV TJ=25C 3 6 mA IOUT=5mA~1A 0.05 0.5 mA VIN=-14.5V~-30V 0.1 1.0 mA f=10Hz~100kHz TA=25C 200 μV IOUT=5mA -0.8 mV/C VIN=-15V~-25V, f=120Hz 54 60 dB TJ=25C 2.2 A UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw TYP -9.0 5 of 8 QW-R101-007.H LM79XX LINEAR INTEGRATED CIRCUIT ELECTRICAL CHARACTERISTICS(Cont.) For UTC LM7915 (VIN=-23V) PARAMETER SYMBOL Output Voltage VOUT Dropout Voltage VD Line Regulation VOUT Load Regulation VOUT Quiescent Current IQ IQ Quiescent Current Change Output Noise Voltage Output Voltage Drift Ripple Rejection Peak Current eN VOUT/T RR IPEAK For UTC LM7918 (VIN=-27V) PARAMETER SYMBOL Output Voltage VOUT Dropout Voltage VD Line Regulation VOUT Load Regulation VOUT Quiescent Current IQ IQ Quiescent Current Change Output Noise Voltage Output Voltage Drift Ripple Rejection Peak Current eN VOUT/T RR IPEAK TEST CONDITIONS MIN TYP MAX UNIT TJ=25C -14.40 -15.0 -15.60 V VIN=-17.5V~-30V -14.25 -15.75 V IOUT=5mA~1A, PD≦15W IOUT=1A TJ=25C 2 V VIN=-17.5V~-30V TJ=25C 12 300 mV VIN=-20V~-26V TJ=25C 6 150 mV IOUT=5mA~1A TJ=25C 12 300 mV IOUT=250mA~750mA TJ=25C 4 150 mV TJ=25C 3 6 mA 0.05 0.5 mA IOUT=5mA~1A VIN=-17.5V~-30.5V 0.1 1.0 mA f=10Hz~100kHz TA=25C 250 μV IOUT=5mA -0.9 mV/C VIN=-18.5V~-28.5V, f=120Hz 54 60 dB TJ=25C 2.2 A TEST CONDITIONS MIN TYP MAX UNIT V TJ=25C -17.28 -18.0 -18.72 VIN=-21V~-33V -17.10 -18.90 V IOUT=5mA~1A, PD≦15W IOUT=1A TJ=25C 2 V TJ=25C 15 360 mV VIN =-21V~-33V VIN =-24V~-30V TJ=25C 8 180 mV TJ=25C 15 360 mV IOUT=5mA~1A IOUT=250mA~750mA TJ=25C 5.0 180 mV TJ=25C 3 6 mA IOUT=5mA~1A 0.05 0.5 mA VIN=-21V~-32V 0.1 1.0 mA f=10Hz~100kHz TA=25C 300 μV IOUT=5mA -1 mV/C VIN=-22V~-32V, f=120Hz 54 60 dB TJ=25C 2.2 A UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 6 of 8 QW-R101-007.H LM79XX LINEAR INTEGRATED CIRCUIT ELECTRICAL CHARACTERISTICS(Cont.) For UTC LM7924 (VIN=-33V) PARAMETER Output Voltage Dropout Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Output Noise Voltage Output Voltage Drift Ripple Rejection Peak Current SYMBOL TEST CONDITIONS MIN TJ=25C -23.04 VOUT VIN=-27V~-38V -22.80 IOUT=5mA~1A, PD≦15W VD IOUT=1.0A TJ=25C VIN=-27V~-38V TJ=25C VOUT VIN=-30V~-36V TJ=25C IOUT=5mA~1A TJ=25C VOUT IOUT=250mA~750mA TJ=25C IQ TJ=25C IOUT=5mA~1A IQ VIN =-27V~-38V eN f=10Hz~100kHz TA=25C VOUT/T IOUT=5mA RR VIN =-28V~-38V, f=120Hz 54 IPEAK TJ=25C UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw TYP -24 MAX UNIT -24.96 V -25.20 2 15 8 15 5.0 3 0.05 0.1 400 -1 60 2.2 480 240 480 240 6 0.5 1.0 V V mV mV mV mV mA mA mA μV mV/C dB A 7 of 8 QW-R101-007.H LM79XX LINEAR INTEGRATED CIRCUIT APPLICATION CIRCUITS -VIN 2 1 CI 2.2 μF -VOUT 3 UTC LM79XX CO 1 μF Fig.1 Fixed output regulator +20V UTC LM7815 1 +15V 3 0.33 μF 2 0.1 μ F 1N4001 2.2 μF 1 1 μF 1N4001 2 UTC LM7915 3 -20V -15V Fig.2 Split power supply(+-15V,1A) C3 2.5 μF CI 2.2 μF R1 CO 1 μF 1 2 UTC LM79XX 3 R2 -VIN -VOUT 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. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 8 of 8 QW-R101-007.H