23213 Shantou Huashan Electronic Devices Co.,Ltd. 3-TERMINAL FIXED VOLTAGE REGULATOR H78L15 █ Description H78L15 is the three terminal positive Regulators with single chip, and in a wide range of applications。It supplies fixed output TO-92 voltages of 15V, deliver over 100mA output current,and employs internal current limiting, thermal shut down and safe operating area protection, making it essentially indestructible. █ Features 1―OUTPUT 2―GND 3―INPUT Output current up to 100mA Low noise High Ripple Rejection Power Amplify Output Protection Thermal Overload Protection Current Overload Protection and Short Circuit Protection █ Absolute Maximum Ratings（Ta=25℃） V I N ——Input Vo l t a g e … … … … … … … … … … … 35V Tamb ——Operating Temperature Range………………………… -20~85℃ Tstg——Storage Temperature Range…………………………… -55~150℃ Tj——Junction Temperature……………………………………… -55~150℃ █ Internal Block Diagram INPUT Series Bypass Element 3 Current Generator Starting Circuit Reference Voltage OUTPUT 1 SOA Protection Error Amplifier Thermal Protection circuit GND 2 23213 3-TERMINAL FIXED VOLTAGE REGULATOR Shantou Huashan Electronic Devices Co.,Ltd. H78L15 █Typical Application OUTPUT INPUT H78L15 GND █ ELECTRICAL CHARACTERISTICS （Unless otherwise specified, VIN=23V,IO=40mA, 0℃≤Tj≤125℃,CIN=0.33μF,COUT=0.1μF） Symbol VO Parameter Output Voltage Min. Typ. Max. 14.4 15 15.6 14.25 15.75 14.25 15.75 25 ΔVO ΔVO IQ Unit Tj=25℃ V Tj=25℃, 17.5V≤VIN≤30V mV 20 250 25 150 Load Regulation Quiescent Current 75 2.2 6.0 mA mA Change Output 0.1 Noise VN Tj=25℃,1mA≤IO≤40mA Tj=25℃ 20V≤VIN≤30V, 1.5 Quiescent Current ΔIQ Tj=25℃, 20V≤VIN≤30V Tj=25℃,1mA≤IO≤100mA mV 12 17.5V≤VIN≤30V,1mA≤IO≤40mA 17.5V≤VIN≤VMAX,1mA≤IO≤70mA 300 Line Regulation Conditions 1mA≤IO≤40mA 90 μV Tj=25℃,10Hz≤f≤100kHz 60 dB Tj=25℃,18.5V≤VIN≤28.5V, f=120Hz 1.7 V Tj=25℃ -1.3 mV/℃ Voltage RR Ripple Rejection VD Dropout Voltage 34 Temperature ΔVO/ΔT coefficient of VO IO=5mA