ST78L05U SEMTECH_ELEC | Alldatasheet

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Dated : 21/06/2006 SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) ST 78L05U 3-Terminal Positive Voltage Regulator Absolute Maximum Ratings (Ta = 25 OC) Parameter Symbol Rating Unit Input Voltage V I 30 V Power Dissipation P tot 800 1) mW Operating Temperature T opr - 20 to + 120 OC Storage Temperature Range T s - 55 to +150 OC 1) 15 mm X 25 mm X 0.7 mm alumina ceramic board, Ta ≤ 25 OC Electrical Characteristics (Ta = 25 OC) (Unless otherwise specified, 0 OC ≤ TJ ≤ 125 OC, VI = 10 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF) Parameter Symbol Test Condition Min. Typ. Max. Unit Tj = 25 OC 4.8 5 5.2 V 7 V ≤ VI ≤ 20 V, 1 mA ≤ IO ≤ 40 mA 4.75 - 5.25 V Output Voltage V O VI = 10 V, 1 mA ≤ IO ≤ 70 mA 4.75 - 5.25 V

7 V ≤ VI ≤ 20 V, Tj = 25 OC - - 150 Line Regulation Regline

8 V ≤ VI ≤ 20 V, Tj = 25 OC - - 100

1 mA ≤ IO ≤ 100 mA, Tj = 25 OC - - 60 Load Regulation Regload 1 mA ≤ IO ≤ 40 mA, Tj = 25 OC - - 30 mV Quiescent Current IQ Tj = 25 OC - - 5.5 mA 8 V ≤ VI ≤ 20 V - - 1.5 Quiescent Current Change ΔIQ 1 mA ≤ IO ≤ 40 mA - - 0.1 mA Output Noise Voltage VN 10 Hz ≤ f ≤ 100 KHz, Tj = 25 OC - 40 - µV Ripple Rejection RR f = 120 Hz, 8 V ≤ VI ≤ 18 V, Tj = 25 OC 41 - - dB Dropout Voltage VDrop Tj = 25 °C - 1.7 - V 78L05U 1V o 0.1 µF 3 Vi 0.33 µF

Dated : 21/06/2006 SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) ST 78L05U SOT-89 PACKAGE OUTLINE