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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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ACT4523 数据表(PDF) 13 Page - Active-Semi, Inc |
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ACT4523 数据表(HTML) 13 Page - Active-Semi, Inc |
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13 / 15 page  ACT4523 Rev 4, 21-Jul-11 Active-Semi Innovative Power TM - 13 - www.active-semi.com Copyright © 2011 Active-Semi, Inc. SW vs. Output Voltage Ripple TYPICAL PERFORMANCE CHARACTERISTICS CONT’D Start up with EN Load Step Waveforms Short Circuit VIN = 24V VOUT = 5V IOUT = 2.1A CH1 CH2 CH1: VRIPPLE, 20mV/div CH2: SW, 10V/div TIME: 2µs/div VIN = 12V VOUT = 5V IOUT = 2.1A CH1 CH2 CH1: EN, 2V/div CH2: VOUT, 2V/div TIME: 400µs//div Start up with EN CH1 CH2 CH1: EN, 2V/div CH2: VOUT, 2V/div TIME: 400µs//div VIN = 12V VOUT = 5V IISET = 2.1A CH1 CH2 CH1: VOUT, 200mV/div CH2: IOUT, 1A/div TIME: 200µs//div Load Step Waveforms CH1 CH2 CH1: VOUT, 200mV/div CH2: IOUT, 1A/div TIME: 200µs//div VIN = 12V VOUT = 5V IISET = 2.1A CH1 CH2 CH1: VOUT, 2V/div CH2: IOUT, 1A/div TIME: 100µs//div VIN = 24V VOUT = 5V IISET = 2.1A VIN = 24V VOUT = 5V IISET = 2.1A (L = 33µH, CIN = 10µF, COUT = 47µF, Ta = 25°C, RCOMP = 8.2k, CCOMP1 = 2.2nF, CCOMP2 = NC) |
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