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| ST 78L12 3-Terminal positive voltage regulator 12V * Suitable for TTL, DTL, HTL, C-MOS, Power Supply * Internal Short-Circuit Current Limiting * Internal Thermal Overload Protection * Maximum Output Current of 150mA (Tj=25oC) *Available in the Plastic TO-92 Package TO-92 Plastic Package Weight approx. 0.19g Absolute Maximum Ratings (Ta = 25 oC) Symbol Input Voltage VIN Rating 35 Unit V Power Dissipation Operating Temperature Storage Temperature Range Ptot Topr Ts 800 -30~75 -55~150 mW C C SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) (R) Dated : 07/12/2002 ST 78L12 Electrical Characteristics (Unless otherwise specified, VIN=19V, IOUT=40mA, CIN=0.33F, COUT=0.1F, Tj=25C) Symbol Output Voltage Input Regulation Load Regulation Output Voltage VOUT Reg. line Reg. load VOUT VOUT Quiescent Current Quiescent Current Change With load VNO RR VIN-VOUT TCVO 1.0mAIOUT40mA Ta=25C, 10Hzf100KHz Ripple Rejection Dropout Voltage Average Temperature Coefficient of Output Voltage f=120Hz, 15VVIN25V,Tj=25C Tj=25C IOUT=5mA 1.7 1 V mV/C 36 41 dB 80 0.1 V Output Noise Voltage With line IB IB 16VVIN27V 14.5VVIN27V 16VVIN27V 1.0mAIOUT100mA 1.0mAIOUT40mA 14.5VVIN27V 1.0mAIOUT40mA VIN=19V 1.0mAIOUT70mA 3.2 6.5 1.5 mA mA 11.4 12.6 V Test Condition Min. 11.5 11.4 Typ. 12 120 100 20 10 Max. 12.5 250 200 100 50 12.6 V mV Uunit V mV SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) (R) Dated : 07/12/2002 |
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