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SC1633-3CS Datasheet(PDF) 2 Page - Semtech Corporation |
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SC1633-3CS Datasheet(HTML) 2 Page - Semtech Corporation |
2 / 7 page © 1997 SEMTECH CORP. 652 MITCHELL ROAD NEWBURY PARK CA 91320 LOW VOLTAGE STEP-UP DC-DC CONVERTER SC1633 January 29, 1998 ELECTRICAL CHARACTERISTICS Unless otherwise specified, T A = 25°C, VIN = 3.0V Parameter V IN I L Min Typ Max Units Input Voltage 1.8 7.0 V Output Voltage SC1633 SC1633-3 SC1633-5 I L = 70mA 3.16 2.88 4.80 3.30 3.00 5.00 3.44 3.12 5.20 V Switch Off Current 105 140 µA No Load Current SC1633/SC1633-3 SC1633-5 160 250 µA Shutdown Mode Current 7 15 µA Shutdown Recovery Time V IN=2.5V I L=70mA 1.8 msec Efficiency SC1633/SC1633-3 SC1633-5 I L=70mA 87 86 % Line Regulation SC1633 SC1633-3 SC1633-5 V IN=2.0 - 3.3V V IN=2.0 - 3.0V V IN=2.2 - 4.5V I L=40mA 0.6 0.6 0.5 %V OUT Load Regulation SC1633/SC1633-3 SC1633-5 I L=1mA - 70mA 0.6 0.5 %V OUT Oscillator Frequency 90 120 150 kHz LBI Pin Trip Point 1.17 1.22 1.27 V LBO “On Resistance” V IN = 2V 45 Ω SW “On Resistance” SC1633/SC1633-3 SC1633-5 1.75 1.25 Ω SW Off Leakage 1µA Input Pin Bias Current 10 nA/Pin Output Pin Leakage 10 nA/Pin |
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