78LXX

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UNISONIC TECHNOLOGIES CO., LTD 78LXX LINEAR INTEGRATED CIRCUIT www.unisonic.com.tw 1 of 8 Copyright © 2005 Unisonic Technologies Co., Ltd QW-R101-001,G 3-TERMINAL 0.1A POSITIVE VOLTAGE REGULATOR „ DESCRIPTION T h e U T C 78LXX family is monolithic fixed voltage regulator integrated circuit. They are suitabl e for applications that required supply current up to 100mA. „ FEATURES *Output current up to 100mA *Fixed output voltage of 5V, 6V, 8V, 9V, 12V, 15V, 18V and 24V available *Thermal overload shutdown protection *Short circuit current limiting TO-921 SOP-8 SOT-89 * Pb-free plating product number: 78LXXL „ ORDERING INFORMATION Order Number Pin Assignment Normal Lead Free Plating 1 2 3 4 5 6 7 8 Package Packing 78Lxx-AB3-B-R 78LxxL-AB3-B-R O G I - - - - - SOT-89 Tape Reel 78Lxx-S08-0-R 78LxxL-S08-0-R OGGNNGG I SOP-8 Tape Reel 78Lxx-S08-0-T 78LxxL-S08-0-T O G G N N G G I SOP-8 Tube 78Lxx-T92-B-B 78LxxL-T92-B-B O G I----- TO-92 Tape Box 78Lxx-T92-B-K 78LxxL-T92-B-K O G I----- TO-92 Bulk 78Lxx-T92-B-R 78LxxL-T92-B-R O G I----- TO-92 Tape Reel Note: 1. xx: Output Voltage, refer to Marking Information. 2.O: Output G: GND I: Input N: No Connection 78LxxL-AB3-B-R (1)Packing Type (3)Package Type (4)Lead Plating (5)Output Voltage Code (2)Pin Assignment (1) B: Tape Box, K: Bulk, R: Tape Reel , T: Tube (2) refer to Pin Assignment (3) AB3: SOT-89, S08: SOP-8, T92: TO-92 (5) xx: refer to Marking Information (4) L: Lead Free Plating , Blank: Pb/Sn

78LXX LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 2 of 8 www.unisonic.com.tw QW-R101-001,AG „ MARKING INFORMATION PACKAGE VOLTAGE CODE MARKING SOP-8 UTC DATE CODE 78L LEAD PLATING VOLTAGE CODE SOT-89 123 DATE CODE VOLTAGE CODE 78L LEAD PLATING TO-92 05:5.0V 06:6.0V 08:8.0V 09:9.0V 12:12V 15:15V 18:18V 24:24V UTC 78L DATE CODE VOLTAGE CODE LEAD PLATING

78LXX LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 3 of 8 www.unisonic.com.tw QW-R101-001,AG „ ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL RATINGS UNIT VOUT=5~9V 30 Input voltage VOUT=12~24V VIN 35 V Output Current I OUT 100 mA SOP-8 300 TO-92 625 Power Dissipation SOT-89 PD 350 mW Junction Temperature T J +125 °C Operating Temperature T OPR -20~+85 °C Storage Temperature T STG -40~+150 °C Note 1. 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. 2. The device is guaranteed to meet performance specification within 0℃~+70 ℃ operating temperature range and assured by design from -20℃~+85℃ „ ELECTRICAL CHARACTERISTICS For UTC78L05 (VIN=10V, IOUT=40mA, 0°C <TJ<125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT TJ=25°C 4.80 5.0 5.20 V 7V≦VIN≦20V,IOUT=1mA-40mA 4.75 5.25 V Output Voltage V OUT 7V≦VIN≦VMAX,IOUT=1mA-70mA 4.75 5.25 V (note 2) TJ=25°C,IOUT=1mA-100mA 11 60 mV Load Regulation V OUT TJ=25°C,IOUT=1mA-40mA 5.0 30 mV 7V≦VIN≦20V,TJ=25°C 8 150 mV Line regulation V OUT 8V≦VIN≦20V,TJ=25°C 6 100 mV Quiescent Current ∆IQ V IN=10V,IOUT=0mA,TJ=25°C 2.0 5.5 mA 8V≦VIN≦20V 1.5 mA Quiescent Current Change ∆IQ 1mA≦VIN≦40mA 0.1 mA Output Noise Voltage eN 10Hz≦f≦100kHz 40 uV Temperature coefficient of VOUT ∆VO/∆T I OUT=5mA -0.65 mV/ °C Ripple Rejection RR 8V≦VIN≦20V,f=120Hz,TJ=25°C 41 80 dB Dropout Voltage V D T J=25°C 1.7 V For UTC78L06 (VIN=12V, IOUT=40mA, 0°C <TJ<125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT TJ=25°C 5.76 6.0 6.24 V 8.5V≦VIN≦20V,IOUT=1mA-40mA 5.70 6.30 V Output Voltage V OUT 8.5V≦VIN≦VMAX, IOUT=1mA-70mA 5.70 6.30 V(note 2) TJ=25°C,IOUT=1mA-100mA 12.8 80 mV Load Regulation V OUT TJ=25°C,IOUT=1mA-70mA 5.8 40 mV 8.5V≦VIN≦20V,TJ=25°C 64 175 mV Line regulation V OUT 9V≦VIN≦20V,TJ=25°C 54 125 mV Quiescent Current ∆IQ V IN=12V,IOUT=0mA,TJ=25°C 3.9 6.0 mA 9V≦VIN≦20V 1.5 mA Quiescent Current Change ∆IQ 1mA≦VIN≦40mA 0.1 mA Output Noise Voltage eN 10Hz≦f≦100kHz 49 uV Temperature coefficient of VOUT ∆VO/∆T I OUT=5mA 0.75 mV/ °C Ripple Rejection RR 10V≦VIN≦20V,f=120Hz, TJ=25°C 40 46 dB Dropout Voltage V D T J=25°C 1.7 V

78LXX LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 4 of 8 www.unisonic.com.tw QW-R101-001,AG „ ELECTRICAL CHARACTERISTICS (Cont.) For UTC78L08 (VIN=14V, IOUT=40mA, 0°C<TJ<125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT TJ=25°C 7.68 8.0 8.32 V 10.5V≦VIN≦23V,IOUT=1mA-40mA 7.60 8.40 V Output Voltage V OUT 10.5V≦VIN≦VMAX, IOUT=1mA-70mA 7.60 8.40 V(note 2) TJ=25°C,IOUT=1mA-100mA 15 80 mV Load Regulation VOUT TJ=25°C,IOUT=1mA-70mA 8.0 40 mV 10.5V≦VIN≦23V,TJ=25°C 10 175 mV Line regulation VOUT 11V≦VIN≦23V,TJ=25°C 8 125 mV Quiescent Current ∆IQ V IN=14V,IOUT=0mA,TJ=25°C 2.0 5.5 mA 11V≦VIN≦23V 1.5 mA Quiescent Current Change ∆IQ 1mA≦VIN≦40mA 0.1 mA Output Noise Voltage eN 10Hz≦f≦100kHz 49 uV Temperature coefficient of Vo ∆VO/∆T I OUT=5mA 0.75 mV/ °C Ripple Rejection RR 11V≦VIN≦23V,f=120Hz,TJ=25°C 39 70 dB Dropout Voltage V D T J=25°C 1.7 V For UTC78L09 (VIN=15V, IOUT=40mA, 0°C <TJ<125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT TJ=25°C 8.64 9.0 9.36 V 11.5V≦VIN≦24V,IOUT=1mA-40mA 8.55 9.45 V Output Voltage V OUT 11.5V≦VIN≦VMAX, IOUT=1mA-70mA 8.55 9.45 V(note 2) TJ=25°C,IOUT=1mA-100mA 20 90 mV Load Regulation V OUT TJ=25°C,IOUT=1mA-40mA 10 45 mV 11.5V≦VIN≦24V,TJ=25°C 90 200 mV Line regulation V OUT 13V≦VIN≦24V,TJ=25°C 100 150 mV Quiescent Current ∆IQ V IN=15V,IOUT=0mA,TJ=25°C 2.0 6.0 mA 13V≦VIN≦24V 1.5 mA Quiescent Current Change ∆IQ 1mA≦VIN≦40mA 0.1 mA Output Noise Voltage V N 10Hz≦f≦100kHz 49 uV Temperature coefficient of VOUT ∆VO/∆T I OUT=5mA 0.75 mV/ °C Ripple Rejection RR 12V≦VIN≦23V,f=120Hz,TJ=25°C 38 44 dB Dropout Voltage V D T J=25°C 1.7 V For UTC78L12 (VIN=19V, IOUT=40mA, 0°C <TJ<125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT TJ=25°C 11.52 12.0 12.48 V 14.5V≦VIN≦27V,IOUT=1mA-40mA 11.40 12.60 V Output Voltage V OUT 14.5V≦VIN≦VMAX, IOUT=1mA-70mA 11.40 12.60 V(note 2) TJ=25°C,IOUT=1mA-100mA 25 150 mV Load Regulation V OUT TJ=25°C,IOUT=1mA-40mA 12 75 mV 14.5V≦VIN≦27V,TJ=25°C 25 300 mV Line regulation V OUT 16V≦VIN≦=27V,TJ=25°C 20 250 mV Quiescent Current ∆IQ V IN=19V,IOUT=0mA,TJ=25°C 2.0 6.0 mA 16V≦VIN≦27V 1.5 mA Quiescent Current Change ∆IQ 1mA≦VIN≦40mA 0.1 mA Output Noise Voltage eN 10Hz≦f≦100kHz 80 uV Temperature coefficient of VOUT ∆VO/∆T I OUT=5mA -1.0 mV/ °C Ripple Rejection RR 15V≦VIN≦25V,f=120Hz,TJ=25°C 37 65 dB Dropout Voltage V D T J=25°C 1.7 V

78LXX LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 5 of 8 www.unisonic.com.tw QW-R101-001,AG „ ELECTRICAL CHARACTERISTICS (Cont.) For UTC78L15 (VIN=23V, IOUT=40mA, 0°C <TJ<125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT TJ=25°C 14.40 15.0 15.60 V 17.5V≦VIN≦30V,IOUT=1mA-40mA 14.25 15.75 V Output Voltage V OUT 17.5V≦VIN≦VMAX, IOUT=1mA-70mA 14.25 15.75 V(note 2) TJ=25°C,IOUT=1mA-100mA 20 150 mV Load Regulation V OUT Tj=25°C,IOUT=1mA-70mA 25 150 mV 17.5V≦VIN≦30V,TJ=25°C 25 150 mV Line regulation V OUT 20V≦VIN≦30V,TJ=25°C 15 75 mV Quiescent Current ∆IQ V IN=23V,IOUT=0mA,TJ=25°C 2.2 6.5 mA 20V≦VIN≦30V 1.5 mA Quiescent Current Change ∆IQ 1mA≦VIN≦40mA 0.1 mA Output Noise Voltage eN 10Hz≦f≦100kHz 90 uV Temperature coefficient of VOUT ∆VO/∆T I OUT=5mA -1.3 mV/ °C Ripple Rejection RR 18.5V≦VIN≦28.5V,f=120Hz, TJ=25°C 34 63 dB Dropout Voltage V D T J=25°C 1.7 V For UTC78L18 (VIN=27V,IOUT=40mA,0°C<TJ<125°C,C1=0.33uF,Co=0.1uF,unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT TJ=25°C 17.28 18.0 18.72 V 21V≦VIN≦33V,IOUT=1mA-40mA 17.10 18.90 V Output Voltage V OUT 21V≦VIN≦VMAX,IOUT=1mA-70mA 17.10 18.90 V(note 2) TJ=25°C,IOUT=1mA-100mA 30 170 mV Load Regulation V OUT TJ=25°C,IOUT=1mA-40mA 15 85 mV 21V≦VIN≦33V,TJ=25°C 145 300 mV Line regulation V OUT 22V≦VIN≦33V,TJ=25°C 135 250 mV Quiescent Current ∆IQ V IN=27V,IOUT=0mA,TJ=25°C 2.0 6.0 mA 21V≦VIN≦33V 1.5 mA Quiescent Current Change ∆IQ 1mA≦VIN≦40mA 0.1 mA Output Noise Voltage eN 10Hz≦f≦100kHz 150 uV Temperature coefficient of VOUT ∆VO/∆T I OUT=5mA -1.8 mV/ °C Ripple Rejection RR 23V≦VIN≦33V,f=120Hz,TJ=25°C 34 48 dB Dropout Voltage V D T J=25°C 1.7 V For UTC78L24 (VIN=33V,IOUT=40mA,0°C <TJ<125°C,C1=0.33uF,Co=0.1uF,unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT TJ=25°C 23.04 24.0 24.96 V 27V≦VIN≦38V,IOUT=1mA-40mA 22.8 25.2 V Output Voltage V OUT 27V≦VIN≦VMAX, IOUT=1mA-70mA 22.8 25.2 V(note 2) TJ=25°C,IOUT=1mA-100mA 40 200 mV Load Regulation △VOUT TJ=25°C,IOUT=1mA-40mA 20 100 mV 27V≦VIN≦38V,TJ=25°C 160 300 mV Line regulation △VOUT 28V≦VIN≦38V,TJ=25°C 150 250 mV Quiescent Current ∆IQ V IN=33V,IOUT=0mA,TJ=25°C 2.2 6.0 mA 27V≦VIN≦38V 1.5 mA Quiescent Current Change ∆IQ 1mA≦VIN≦40mA 0.1 mA Output Noise Voltage eN 10Hz≦f≦100kHz 200 uV Temperature coefficient of VOUT ∆VO/∆T I OUT=5mA -2.0 mV/ °C Ripple Rejection RR 27V≦VIN≦38V,f=120Hz,TJ=25°C 34 45 dB Dropout Voltage V D T J=25°C 1.7 V Note 1.The Maximum steady state usable output current is dependent on input voltage, heat si nking, lead length of the package and copper pattern of PCB. 2.Power dissipation<0.5W

78LXX LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 6 of 8 www.unisonic.com.tw QW-R101-001,AG „ APPLICATION CIRCUIT UTC78LXX 1

3 VoUTVIN

0.33μF 0.1μF Note 1.To specify an output voltage, substitute voltage value for "XX". 2.Bypass capacitors are recommended fo r optimum stability and transient response and should be located as close as possible to the regulators. „ TEST CIRCUIT GND OUTPUT INPUT R13 R17 R9 Z2 T12 T14 R19 R18 R12 R11 R10 T8 T9 T13 T10 R14 T11 T5 R15 T15 R16 R1 R2 T1 T2

78LXX LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 7 of 8 www.unisonic.com.tw QW-R101-001,AG „ TYPICAL CHARACTERISTICS Fig.1 Ambient temperature vs. Power dissipation Fig.2 UTC78L05 Output Voltage vs.Ambient temperature 25 50 75 100 400 500 600 700 Ambient Temperature(℃) Power Dissiaption(mW) Ambient Temperature(℃) -50 0 50 100 Output Volatge(V) 4.8 4.9 5.0 5.1 5.2TO-92 SOT-89 300 SOP-8 Fig.3 UTC78L12 Output Voltage vs. Ambient temperature Ambient Temperature (℃) -50 0 50 100 11.7 Fig.4 Output Characteristics (Ip=0mA,TJ=25℃) 11.8 11.9 12.0 12.1 Output Volatge(V) Input Voltage(V) 0 1 02 0 3 04 0 Output Voltage(V) UTC78L24 UTC78L12 UTC78L05 Fig.6 Short Circuit output current (TJ=25℃) Fig.5 UTC78L05 Dropout Characteristics (TJ=25℃) 4. 1 4. 5 Output Voltage(V) Input Voltage(V) 6. 0 6. 5 7. 0 IoUT =0mA IoUT=40mA IoUT=1 0 0mA input -outputVoltage difference (V) 01 0 2 0 3 0 4 0 Short circuit Current(mA)100 200 300 400 500

78LXX LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 8 of 8 www.unisonic.com.tw QW-R101-001,AG „ TYPICAL CHARACTERISTICS(Cont.) Fig.7 UTC78L12/24 quiescent current vs output current (TJ=25℃) Fig.8 UTC78L05 Quiescent Current vs. Input Voltage (IOUT=0mA,TJ=25℃) Output Current (mA) 02 0 8 0 40 60 100 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 Quiescent Current (mA) UTC78L24 UTC78L12 Input Voltage(V) 0 1 02 0 3 04 0 Quiescent Current (mA) Fig.9 Peak Output Current vs Dropout Voltage Difference Input-output voltage difference (V) 0 1 02 0 3 04 0 Peak Output Current (mA) 100 200 300 400 (TJ=25℃) (TJ=0℃) (TJ=150℃) Fig.10 Dropout Voltage 0 25 50 100 1. 0 1. 5 2. 0 2. 5 Junction Temperature (℃) Input Output Differentional (V) 0. 5 DROPOUT CONDITIONS ∆VOUT=2% of VOUT 75 125 IOUT =1 .0mA IOUT=40mA IOUT =70 mA 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.