ST78L05 SEMTECH_ELEC | Alldatasheet
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Technical content
Dated : 23/02/2006 SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) ST 78L05 3-Terminal positive voltage regulator
- Suitable for TTL, DTL, HTL, C-MOS, Power Supply
- Internal Short-Circuit Current Limiting
- Internal Thermal Overload Protection
- Maximum Output Current of 150 mA (Tj = 25 OC)
- Available in the Plastic TO-92 Package Absolute Maximum Ratings (Ta = 25 OC) Parameter Symbol Rating Unit Input Voltage V IN 35 V Power Dissipation P tot 800 mW Operating Temperature T opr -30 to +75 OC Storage Temperature Range T s -55 to +150 OC Electrical Characteristics (Unless otherwise specified, VIN = 10 V, IOUT = 40 mA, CIN = 0.33 µF, COUT = 0.1 µF, Tj = 25 °C) Parameter Symbol Test Condition Min. Typ. Max. Unit Output Voltage V OUT 4.8 5.0 5.2 V Input Regulation Reg. line 7 V ≤ VIN ≤ 20 V - 55 150 mV
8 V ≤ VIN ≤ 20V - 45 100
Load Regulation Reg. load 1 mA ≤ IOUT ≤ 100 mA - 11 60 mV 1 mA ≤ IOUT ≤ 40 mA - 5.0 30 Output Voltage V OUT 7 V ≤ VIN ≤ 20 V 4.75 - 5.25 V 1 mA ≤ IOUT ≤ 40mA V OUT V IN = 10 V 4.75 - 5.25 V 1 mA ≤ IOUT ≤ 70 mA Quiescent Current I B - 3.1 6 mA With line 8 V ≤ VIN ≤ 20 V - - 1.5 Quiescent Current Change With load ΔIB 1 mA ≤ IOUT ≤ 40 mA - - 0.1 mA Output Noise Voltage VNO Ta = 25 OC,
10 Hz ≤ f ≤ 100 KHz - 40 - µV
Ripple Rejection RR f = 120 Hz,
8 V ≤ VIN ≤ 18 V, Tj = 25 OC 41 49 - dB
Dropout Voltage ⎢VIN-VOUT ⎢ Tj = 25 OC - 1.7 - V Average Temperature Coefficient of Output Voltage TCVO IOUT = 5 mA - -0.6 - mV/ OC TO-92 Plastic Package
Dated : 23/02/2006 SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) ST 78L05