H78L12

23213 Shantou Huashan Electronic Devices Co.,Ltd. 3-TERMINAL FIXED VOLTAGE REGULATOR H78L12 █ Description H78L12 is the three terminal positive Regulators with single chip, and in a wide range of applications 。 It supplies fixed output voltages of 12V, deliver over 100mA output current ,and employs internal current limiting, thermal shut down and safe operating area protection, making it essentially indestructible. TO-92 █ Features Output current up to 100mA Low noise High Ripple Rejection Power Amplify Output Protection Thermal Overload Protection Current Overload Protection and Short Circuit Protection 1―OUTPUT 2―GND 3―INPUT █ Absolute Maximum Ratings（Ta=25℃） VIN——Input Voltage……………………………………………………… 35V PD ——Power of Dissipation ………………………………………… 700mW Tamb——Operating Temperature Range……………………………… -20~85℃ Tstg——Storage Temperature Range………………………………… -55~150℃ Tj——Junction Temperature………………………………………… -55~150℃ Rth——thermal resistance（junction to environment）………………… 180℃/W █ Internal Block Diagram INPUT 3 Current Generator SOA Protection Series Bypass Element OUTPUT 1 Starting Circuit Reference Voltage Error Amplifier Thermal Protection circuit GND 2 23213 Shantou Huashan Electronic Devices Co.,Ltd. 3-TERMINAL FIXED VOLTAGE REGULATOR H78L12 █Typical Application INPUT H78L12 OUTPUT GND █ ELECTRICAL CHARACTERISTICS （Unless otherwise specified, VIN=19V,IO=40mA,0℃≤Tj≤125℃,CIN=0.33μF,COUT=0.1μF） Symbol Parameter Min. 11.5 VO Output Voltage 11.5 11.5 14 ΔVO Line Regulation 10 20 ΔVO IQ ΔIQ Current Change VN RR VD ISC IPK ΔVO/ΔT Output Voltage Noise 115 47 66 1.7 88 125 160 1.1 205 0.1 280 μV dB V mA mA mV/℃ Load Regulation 10 Quiescent Current Quiescent 2.6 50 6.0 1.5 mA mA 200 100 mV Typ. 12.0 Max. 12.5 12.5 12.5 250 mV V Unit Conditions Tj=25℃ 14V≤VIN≤27V,1mA≤IO≤40mA VIN=19V,1mA≤IO≤70mA Tj=25℃, 14.5V≤VIN≤27V Tj=25℃, 16V≤VIN≤27V Tj=25℃,1mA≤IO≤100mA Tj=25℃,1mA≤IO≤40mA Tj=25℃ 16V≤VIN≤27V, IO=40mA VIN=19V,1mA≤IO≤40mA Tj=25℃,10Hz≤f≤100kHz Tj=25℃,15V≤VIN≤25V, f=120Hz Tj=25℃ Tj=25℃,VIN=20V Tj=25℃ IO=5mA Ripple Rejection Dropout Voltage Short Circuit Current Peak Current Temperature coefficient of VO