UNISONIC TECHNOLOGIES CO., LTD 78TXXA LINEAR INTEGRATED CIRCUIT 3-TERMINAL 1A POSITIVE VOLTAGE REGULATOR 1 TO-263 DESCRIPTION The UTC 78TXXA family is monolithic fixed voltage regulator integrated circuit. They are suitable for applications that required supply current up to 1 A. 1 FEATURES TO-263-3 * Peak Output Current Up To 1 A * Fixed Output Voltage Of 5V, 6V, 7V, 8V, 9V, 10V, 12V, 15V and 18V Available * Thermal Overload Shutdown Protection * Short Circuit Current Limiting * Output Transistor SOA Protection ORDERING INFORMATION Ordering Number Lead Free Halogen Free 78TXXAL-TQ2-R 78TXXAG-TQ2-R 78TXXAL-TQ2-T 78TXXAG-TQ2-T 78TXXAL-TQ3-R 78TXXAG-TQ3-R 78TXXAL-TQ3-T 78TXXAG-TQ3-T Note: Pin Code: I: Input G: GND O: Output www.unisonic.com.tw Copyright © 2013 Unisonic Technologies Co., Ltd. Package TO-263 TO-263 TO-263-3 TO-263-3 Pin Assignment 1 2 3 I G O I G O I G O I G O Packing Tape Reel Tube Tape Reel Tube 1 of 9 QW-R101-011.L 78TXXA LINEAR INTEGRATED CIRCUIT MARKING INFORMATION PACKAGE TO-263 TO-263-3 VOLTAGE CODE 05 :5.0V 06 :6.0V 07 :7.0V 08 :8.0V 09 :9.0V 10 :10V 12 :12V 15 :15V 18 :18V UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MARKING 2 of 9 QW-R101-011.L 78TXXA LINEAR INTEGRATED CIRCUIT TEST CIRCUIT INPUT 1 R13 R17 T10 Z2 R9 T8 T14 T9 R14 T12 R19 R18 R12 T13 T11 R11 T5 R10 OUTPUT 3 T6 R8 R15 R5 T4 Z1 T15 R4 R6 T7 R1 R7 C1 R2 T3 R16 T1 T2 R3 GND 2 APPLICATION CIRCUIT VIN 1 UTC 78TXXA CI 0.33 µF 2 3 VOUT CO 0.1 µF Note 1: To specify an output voltage, substitute voltage value for "XX". 2: Bypass capacitors are recommended for optimum stability and transient response and should be located as close as possible to the regulators. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 9 QW-R101-011.L 78TXXA LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified) PARAMETER SYMBOL RATING UNIT Input Voltage VIN 35 V Output Current IOUT 1 A Power Dissipation PD Internally Limited W Junction Temperature TJ +125 °С Operating Junction Temperature TOPR -40~ +85 °С Storage Temperature TSTG -40~ +150 °С 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. ELECTRICAL CHARACTERISTICS (TJ= 0°С-125°С,CI =0.33uF,CO=0.1uF,unless otherwise specified) (Note 1) FOR 78T05A (VIN=10V, IOUT=0.5A) PARAMETER SYMBOL Output Voltage VOUT Load Regulation ΔVOUT Line regulation ΔVOUT Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage IQ ΔIQ eN ΔVo/ΔT RR IPEAK ISC VD FOR 78T06A (VIN=11V, IOUT=0.5A) PARAMETER SYMBOL Output Voltage VOUT Load Regulation ΔVOUT Line regulation ΔVOUT Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage IQ ΔIQ eN ΔVo/ΔT RR IPEAK ISC VD TEST CONDITIONS TJ=25°C, IOUT=5mA - 1.0A VIN=7.5V~20V,IOUT=5mA-1.0A, PD≦15W TJ=25°C, IOUT=5mA-1.0A TJ=25°C, IOUT=0.25A-0.75A VIN=7V~25V, TJ=25°C VIN=7.5V~20V, TJ=25°C, IOUT=1.0A TJ=25°C, IOUT≦1.0A VIN=7.5V~20V IOUT=5mA-1.0A 10Hz≦f≦100kHz IOUT=5mA VIN=8V-18V, f=120Hz, TJ=25°C TJ=25°C VIN=35V, TJ=25°C TJ=25°C TEST CONDITIONS TJ=25°C, IOUT=5mA-1.0A VIN=8.5V~21V,IOUT=5mA-1.0A, PD≦15W TJ=25°C, IOUT=5mA-1.0A TJ=25°C, IOUT=0.25A-0.75A VIN=8V~25V, TJ=25°C VIN=8.5V~21V, TJ=25°C, IOUT=1.0A TJ=25°C, IOUT≦1.0A VIN=8.5V~21V IOUT=5mA-1.0A 10Hz≦f≦100kHz IOUT=5mA VIN=9V-19V, f=120Hz, TJ=25°C TJ=25°C VIN=35V, TJ=25°C TJ=25°C UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN 4.80 4.75 62 MIN 5.76 5.70 59 TYP 5.0 MAX 5.20 5.25 50 25 50 50 8.0 1.0 0.5 UNIT V V mV mV mV mV mA mA mA μV mV/°C dB A mA V MAX 6.24 6.30 60 30 60 60 8.0 1.0 0.5 UNIT V V mV mV mV mV mA mA mA μV mV/°C dB A mA V 40 -0.6 80 1.8 250 2.0 TYP 6.0 45 -0.7 75 1.8 250 2.0 4 of 9 QW-R101-011.L 78TXXA LINEAR INTEGRATED CIRCUIT ELECTRICAL CHARACTERISTICS(Cont.) FOR 78T07A (VIN=13V, IOUT=0.5A) PARAMETER SYMBOL Output Voltage VOUT Load Regulation ΔVOUT Line regulation ΔVOUT Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage IQ ΔIQ eN ΔVo/ΔT RR IPEAK ISC VD FOR 78T08A (VIN=14V, IOUT=0.5A) PARAMETER SYMBOL Output Voltage VOUT Load Regulation ΔVOUT Line regulation ΔVOUT Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage IQ ΔIQ eN ΔVo/ΔT RR IPEAK ISC VD FOR 78T09A (VIN=15V, IOUT=0.5A) PARAMETER SYMBOL Output Voltage VOUT Load Regulation ΔVOUT Line regulation ΔVOUT Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage IQ ΔIQ eN ΔVo/ΔT RR IPEAK ISC VD TEST CONDITIONS TJ=25°C, IOUT=5mA-1.0A VIN=9.5V~22V,IOUT=5mA-1.0A,PD≦15W TJ=25°C, IOUT=5mA-1.0A TJ=25°C, IOUT=0.25A-0.75A VIN=9V~25V, TJ=25°C VIN=9.5V~22V, TJ=25°C, IOUT=1.0A TJ=25°C, IOUT≦1.0A VIN=9.5V~22V IOUT=5mA-1.0A 10Hz≦f≦100kHz IOUT=5mA VIN=10V-20V, f=120Hz, TJ=25°C TJ=25°C VIN=35V, TJ=25°C TJ=25°C MIN 6.72 6.65 TEST CONDITIONS TJ=25°C, IOUT=5mA-1.0A VIN=10.5V~23V,IOUT=5mA-1.0A,PD≦15W TJ=25°C, IOUT=5mA-1.0A TJ=25°C, IOUT=0.25A-0.75A VIN=10.5V~25V, TJ=25°C VIN=10.5V~23V, TJ=25°C, IOUT=1.0A TJ=25°C, IOUT≦1.0A VIN=10.5V~23V IOUT=5mA-1.0A 10Hz≦f≦100kHz IOUT=5mA VIN=11.5V~21.5V, f=120Hz, TJ=25°C TJ=25°C VIN=35V, TJ=25°C TJ=25°C MIN 7.68 7.60 TEST CONDITIONS TJ=25°C, IOUT=5mA - 1.0A VIN=11.5V~24V,IOUT=5mA-1.0A,PD≦15W TJ=25°C, IOUT=5mA-1.0A TJ=25°C, IOUT=0.25A-0.75A VIN=11.5V~25 V, TJ=25°C VIN=11.5V~24V, TJ=25°C, IOUT=1.0A TJ=25°C, IOUT≦1.0A VIN=11.5V~24V IOUT=5mA–1.0A 10Hz≦f≦100kHz IOUT=5mA VIN=12.5V~22.5V, f=120Hz, TJ=25°C TJ=25°C VIN=35V, TJ=25°C TJ=25°C MIN 8.64 8.55 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 59 56 56 TYP 7.0 MAX 7.28 7.35 70 35 70 70 8.0 1.0 0.5 UNIT V V mV mV mV mV mA mA mA μV mV/°C dB A mA V MAX 8.32 8.40 80 40 80 80 8.0 1.0 0.5 UNIT V V mV mV mV mV mA mA mA μV mV/°C dB A mA V MAX 9.36 9.45 90 45 90 90 8.0 1.0 0.5 58 -1.1 72 UNIT V V mV mV mV mV mA mA mA μV mV/°C dB 1.8 250 2.0 A mA V 50 -0.8 75 1.7 250 2.0 TYP 8.0 58 -0.9 72 1.8 250 2.0 TYP 9.0 5 of 9 QW-R101-011.L 78TXXA LINEAR INTEGRATED CIRCUIT ELECTRICAL CHARACTERISTICS(Cont.) FOR 78T10A (VIN=16V, IOUT=0.5A) PARAMETER SYMBOL Output Voltage VOUT Load Regulation ΔVOUT Line regulation ΔVOUT Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage IQ ΔIQ eN ΔVo/ΔT RR IPEAK ISC VD FOR 78T12A (VIN=19V, IOUT=0.5A) PARAMETER SYMBOL Output Voltage VOUT Load Regulation ΔVOUT Line regulation ΔVOUT Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage IQ ΔIQ eN ΔVo/ΔT RR IPEAK ISC VD FOR 78T15A (VIN=23V, IOUT=0.5A) PARAMETER SYMBOL Output Voltage VOUT Load Regulation ΔVOUT Line regulation ΔVOUT Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage IQ ΔIQ eN ΔVo/ΔT RR IPEAK ISC VD TEST CONDITIONS TJ=25°C, IOUT=5mA-1.0A VIN=12.5V~25V,IOUT=5mA-1.0A,PD≦15W TJ=25°C, IOUT=5mA-1.0A TJ=25°C, IOUT=0.25A-0.75A VIN=13V~25V, TJ=25°C VIN=13V~25V, TJ=25°C, IOUT=1.0A TJ=25°C, IOUT≦1.0A VIN=12.6V~25V IOUT=5mA-1.0A 10Hz≦f≦100kHz IOUT=5mA VIN=13V-23V, f=120Hz, TJ=25°C TJ=25°C VIN=35V, TJ=25°C TJ=25°C MIN 9.60 9.50 TEST CONDITIONS TJ=25°C, IOUT=5mA-1.0A VIN=14.5V~27V,IOUT=5mA-1.0A,PD≦15W TJ=25°C, IOUT=5mA-1.0A TJ=25°C, IOUT=0.25A-0.75A VIN=14.5V~30V, TJ=25°C VIN=14.6V~27V, TJ=25°C, IOUT=1.0A TJ=25°C, IOUT≦1.0A VIN=14.5V~30V IOUT=5mA-1.0A 10Hz≦f≦100kHz IOUT=5mA VIN=15V-25V, f=120Hz, TJ=25°C TJ=25°C VIN=35V, TJ=25°C TJ=25°C MIN 11.52 11.40 55 TEST CONDITIONS MIN 14.40 TJ=25°C, IOUT=5mA-1.0A VIN=17.5V~30V,IOUT=5mA-1.0A,PD≦15W 14.25 TJ=25°C, IOUT=5mA-1.0A TJ=25°C, IOUT=0.25A-0.75A VIN=18.5V~30V, TJ=25°C VIN=17.7V~30V, TJ=25°C, IOUT=1.0A TJ=25°C, IOUT≦1.0A VIN=17.5V~30V IOUT=5mA-1.0A 10Hz≦f≦100kHz IOUT=5mA VIN=18.5V~28.5V, f=120Hz, TJ=25°C 54 TJ=25°C VIN=35V, TJ=25°C TJ=25°C UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 56 TYP 10.0 58 -1.1 72 1.8 250 2.0 TYP 12.0 75 -1.5 72 1.8 250 2.0 TYP 15.0 90 -1.8 70 1.8 250 2.0 MAX UNIT 10.40 V 10.50 V 100 mV 50 mV 100 mV 100 mV 8.0 mA 1.0 mA 0.5 mA μV mV/°C dB A mA V MAX UNIT 12.48 V 12.60 V 120 mV 60 mV 120 mV 120 mV 8.0 mA 1.0 mA 0.5 mA μV mV/°C dB A mA V MAX 15.60 15.75 150 75 150 150 8.0 1.0 0.5 UNIT V V mV mV mV mV mA mA mA μV mV/°C dB A mA V 6 of 9 QW-R101-011.L 78TXXA LINEAR INTEGRATED CIRCUIT ELECTRICAL CHARACTERISTICS(Cont.) FOR 78T18A (VIN=27V, IOUT=0.5A) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT 17.28 18.0 18.72 V TJ=25°C, IOUT=5mA-1.0A Output Voltage VOUT VIN=21V~33V, IOUT=5mA-1.0A, PD≦15W 17.10 18.90 V 180 mV TJ=25°C, IOUT=5mA-1.0A Load Regulation ΔVOUT TJ=25°C, IOUT=0.25A-0.75A 90 mV 180 mV VIN=21V~33V, TJ=25°C Line regulation ΔVOUT VIN=21V~33V, TJ=25°C, IOUT=1.0A 180 mV Quiescent Current IQ TJ=25°C, IOUT≦1.0A 8.0 mA 1.0 mA VIN=21.5V~33V Quiescent Current Change ΔIQ IOUT=5mA-1.0A 0.5 mA Output Noise Voltage eN 10Hz≦f≦100kHz 110 μV Temperature coefficient of Vo ΔVo/ΔT IOUT=5mA -2.2 mV/°C Ripple Rejection RR VIN=22V-32V, f=120Hz, TJ=25°C 53 69 dB Peak Output Current IPEAK TJ=25°C 1.8 A Short-Circuit Current ISC VIN=35V, TJ=25°C 250 mA Dropout Voltage VD TJ=25°C 2.0 V Note 1: The Maximum steady state usable output current are dependent on input voltage, heat sinking, lead length of the package and copper pattern of PCB. The data above represents pulse test conditions with junction temperatures specified at the initiation of test. Note 2: Power dissipation<0.5W UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 7 of 9 QW-R101-011.L 78TXXA LINEAR INTEGRATED CIRCUIT TYPICAL CHARACTERISTICS Output Voltage vs. Input Voltage Output Voltage, VOUT (V) 6 VOUT=5V CIN=0.33uF 5 COUT=0.1uF TA: Room Temprature 4 IOUT=0A 3 IOUT=0.25A IOUT=1A 2 1 Circuit Operating Current vs. Input Voltage 6 V =5V OUT CIN=0.33uF 5 COUT=0.1uF TA: Room Temprature IOUT=0A 4 IOUT=0.25A Circuit Operating Current, IBIAS (mA) 2 1 0 0 0 6 IOUT=1A 3 1 2 3 4 5 6 7 Input Voltage, VIN (V) 0 8 5.4 Output Voltage, VOUT (V) Bias Current, IB (mA) VIN=10V IOUT=0A 2 1 5.3 5.2 5.1 5.0 4.9 4.8 4.7 -25 -5 15 35 55 75 95 115 135 155 Junction Temperature, TJ (°C) Dropout Voltage vs. Junction Temperature 2 1.8 1.6 1.4 IOUT=0.25A 1.2 1 IOUT=0A 0.8 0.6 0.4 -5 15 35 55 75 95 115 135 155 Junction Temperature, TJ (°C) Short Current vs. Input Voltage 1.4 IOUT=1A 1.6 Short Current, ISC (A) Dropout Voltage, VD (V) VIN=10V IOUT=5.0mA 4.6 4.5 0 -25 8 5.5 5 3 2 3 4 5 6 7 Input Voltage, VIN (V) Output Voltage vs. Junction Temperature Bias Current vs. Junction Temperature 4 1 1.2 1 0.8 0.6 0.4 0.2 0.2 0 -40 -20 0 20 40 60 80 100 120 140 Junction Temperature, TJ (°C) UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 0 0 3 6 9 12 15 18 21 24 27 30 33 36 40 Input Voltage, VIN (V) 8 of 9 QW-R101-011.L 78TXXA Output Voltage Deviation (mV) TYPICAL CHARACTERISTICS(Cont.) Load Current (mA) Input Voltage Change (V) Output Voltage Deviation (mV) LINEAR INTEGRATED CIRCUIT 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 9 of 9 QW-R101-011.L