78L12 HUIXIN | Alldatasheet
Document overview
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Technical content
Features
Input voltage:up to 35V Output voltage:12V Output current up to 100 mA, internal thermal overload protection and short-circuit limiting. SOT-89 1.VOUT 2. GND 3. VIN Marking Code : 78L12 Vi 3 0.33 µF 78L12 1 Vo 0.1 µF Parameter Symbol Value Unit Input Voltage VI 35 V Output Current IO 100 mA Maximum Power Dissipation PD 500 mW JunctionTemperature TJ 150 °C OperatingTemperature Range TOPR -40to +125 °C StorageTemperature Range TSTG -55to +150 °C 6GMK1UL4
Electrical Characteristics
Ratings at 0℃≤TJ≤125℃ VI=19V, IO=40mA, CI=0.33μF,CO=0.1μF,unless otherwise specified. Parameter Symbol Test Conditions Min. Typ. Max. Unit Output Voltage VO TJ=25°C 11.5 12 12.5 V IO=1mAto 40mA, VI=14.5V to27V 11.4 12 12.6 V IO=1mAto70mA,V I=19V 11.4 12 12.6 V Line Regulation △VO VI=14.5V to27V,TJ=25°C -- -- 250 mV VI=16V to27V,TJ=25°C -- -- 200 mV Load Regulation △VO IO=1mAto100mA,T J=25°C -- -- 100 mV IO=1mAto 40 mA,TJ=25°C -- -- 50 mV Ripple Rejection RR VI=15V to25V, f=120Hz, TJ=25°C 37 -- -- dB Dropout Voltage VD TJ=25°C -- 1.7 -- V Quiescent Current IQ TJ=25°C -- -- 6 mA Quiescent Current Change △IQ VI=16V to27V -- -- 1.5 mA IO=1mAto 80mA -- -- 0.1 mA Output Noise Voltage VN 10Hz≤f≤100kHz,T J=25°C -- 70 -- μV/Vo 6GMK2UL4
Typical Characteristic Curves 0 5 10 15 20 25 30 35 -25 0 100 125 100 200 300 400 500 600 700 800 0 5 25 30 -25 0 100 125 0 40 200 240 IO=0mA TJ=25℃ 80 120 160 25 50 75 IO=0mA TJ=25℃ 10 15 20 Vin=19V IO=5mA VIN=19V TJ=25℃ Pulsed 25 50 75 Output Current IO (mA)Input Voltage VIN (V) Output Voltage VO (V) Output Voltage VO (V)Quiescent Current IQ (mA) Input Voltage VIN (V) Junction Temperature TJ (℃) Junction Temperature TJ (℃) Output Voltage VO (V) Power Disisipation PD (mW) 6GMK3UL4