23213 Shantou Huashan Electronic Devices Co.,Ltd. 3-TERMINAL FIXED VOLTAGE REGULATOR H78L05 █ Description H78L05 is the three terminal positive Regulators with single chip, and in a wide range of applications 。It supplies fixed output voltages of 5V, 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―OUTPUT 2―GND 3―INPUT 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……………………………………………………… 30V PD ——Power of Dissipation ………………………………………… 700mW T amb ——Operating Temperature Range……………………………… -20~85℃ T stg ——Storage Temperature Range………………………………… -55~150℃ T j ——Junction Temperature………………………………………… -55~150℃ Rth——thermal resistance(junction to environment)………………… 180℃/W █ 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. H78L05 █Typical Application INPUT OUTPUT H78L05 GND █ ELECTRICAL CHARACTERISTICS (Unless otherwise specified, VIN =10V,IO =40mA,0℃≤Tj ≤125℃,CIN=0.33μF,COUT=0.1μF) Symbol Parameter Min. Typ. Max. 4.8 5.0 5.2 4.8 5.2 4.8 5.2 6 150 4 100 9 60 4 30 Quiescent Current 2.3 6.0 Quiescent 1.5 Current Change 0.1 VN Output Noise Voltage 45 120 μV Tj =25℃,10Hz≤f≤100kHz RR Ripple Rejection 55 75 dB Tj =25℃,8V≤VIN ≤18V, f=120Hz VD Dropout Voltage 1.7 V Tj =25℃ ISC Short Circuit Current 88 mA Tj =25℃,VIN =20V IPK Peak Current 125 160 205 mA Tj =25℃ 0.4 VO ΔVO ΔVO IQ ΔIQ Output Voltage Line Regulation Load Regulation Temperature ΔVO /ΔT coefficient of V O Unit Conditions Tj =25℃ V 7V≤VIN ≤20V,1mA≤IO ≤40mA VIN =10V,1mA≤IO ≤70mA mV Tj =25℃, 7V≤VIN ≤20V Tj =25℃, 8V≤VIN ≤20V mV Tj =25℃,1mA≤IO ≤100mA Tj =25℃,1mA≤IO ≤40mA mA mA Tj =25℃ 8V≤VIN ≤20V, IO =40mA VIN =10V,1mA≤IO ≤40mA mV/℃ IO =5mA