23213 Shantou Huashan Electronic Devices Co.,Ltd. 3-TERMINAL FIXED VOLTAGE REGULATOR H79L24 █ Description H79L24 is the three terminal negative Regulators with single chip, and in a wide range of applications 。It supplies fixed output voltages of -24V, deliver over 100mA output current ,and employs TO-92 internal current limiting, thermal shut down and safe operating area protection, making it essentially indestructible. █ Features 1―GND 2―INPUT 3―OUTPUT l Output current up to 100mA l Low noise l High Ripple Rejection l Power Amplify Output Protection l Thermal Overload Protection l Current Overload Protection and Short Circuit Protection █ Absolute Maximum Ratings(Ta=25℃) VIN——Input Voltage……………………………………………………… -45V T amb ——Operating Temperature Range……………………………… -20~85℃ T stg ——Storage Temperature Range………………………………… -55~150℃ T j ——Junction Temperature………………………………………… -55~150℃ █ Internal Block Diagram INPUT Series Bypass Element 3 Current Generator OUTPUT 1 SOA Protection Starting Circuit Reference Voltage Error Amplifier Thermal Protection circuit GND 2 23213 3-TERMINAL FIXED VOLTAGE REGULATOR Shantou Huashan Electronic Devices Co.,Ltd. H79L24 █Typical Application H79L24 █ ELECTRICAL CHARACTERISTICS (Unless otherwise specified, VIN=-33V,IO=40mA,0℃≤Tj≤125℃,CIN=0.33μF,COUT=0.1μF) Symbol Typ. Max. -23 -24 -25 -22.8 -25.2 -22.8 -25.2 350 300 200 100 Quiescent Current 6.5 Quiescent 1.5 0.1 VN Current Change Output Noise Voltage RR Ripple Rejection 31 47 dB Tj =25℃, -35V≤VIN ≤-29V, f=120Hz VD Dropout Voltage 1.7 V Tj =25℃ VO ΔVO ΔVO IQ ΔIQ Parameter Output Voltage Line Regulation Load Regulation Min. 150 Unit Conditions Tj =25℃ V -38V≤VIN ≤-27V,1mA≤IO ≤40mA VIN =-33V,1mA≤IO ≤70mA mV mV mA mA Tj =25℃, -38V≤VIN ≤-27V Tj =25℃, -38V≤VIN ≤-28V Tj =25℃,1mA≤IO ≤100mA Tj =25℃,1mA≤IO ≤40mA Tj =25℃ -38V≤VIN ≤-28V 1mA≤IO ≤40mA μV Tj=25℃,10Hz≤f≤100kHz