78M12 HOTTECH | Alldatasheet
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Page:P1-P1 Plastic-EncapsulateVoltage Regulator GUANGDONG HOTTECH INDUSTRIAL CO,. LTD. FE A TURES ABSOLUTE MAXIMUM RATINGS ( Operating temperature range applies) Param eter Symbol Value Unit InputVoltage V I 35 V Operating JunctionTempe rature Range TOPR 0-125 StorageTemperature Range TSTG -65-150 1.IN 2.GND TO -252 3.OUT 78M12 Maximum output current I OM : 0.5 A Output voltage V O : 12V Continuous total dissipation 1. 2. ELECTRICAL CHARACTERISTICS AT SPECIFIED VIRTUAL JINCTION TEMPERATURE (Vi=10V,Io=350mA, Ci=0.33μF, C o = 0 . 1μF ,unless otherwise specified) P D :1.25 W (Ta= 25 ℃)
15 W (Tc= 25 ℃)
Parameter Symbol Test conditions Min Typ Max Unit 25℃ 11.5 12 12.5 V Output Voltage Vo 14.5≤V i ≤27V, Io=5mA-350mA Po≤ 1.25W 0-125℃ 11.4 12 12.6 V Io=5mA-500mA 25℃ 25 240 mV Load Regulation ΔVo Io=5mA-200mA 25℃ 10 120 mV 14.5V≤V i ≤30V, Io=200mA 25℃ 10 100 mV Line Regulation ΔVo 16V≤V i ≤30V, Io=200mA 25℃ 3 50 mV Quiescent Current Iq 25℃ 4.6 6 mA ΔIq 14.5V ≤V i ≤30V, Io=200mA 0-125℃ 0.8 mA Quiescent Current Change ΔIq 5mA ≤I O ≤350mA 0-125℃ 0.5 mA Output Noise Voltage V N 10Hz ≤f≤100KHz 25℃ 75 μV Ripple Rejection RR 15 ≤V i ≤25V,f=120Hz,Io=300mA 0-125℃ 55 80 dB Dropout Voltage Vd Io=350mA 25℃ 2 V Short Circuit Current Isc Vi=19V 25℃ 240 mA Peak Current Ipk 25℃ 0.7 A