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ACT2103 Datasheet(PDF) 14 Page - Active-Semi, Inc

Part # ACT2103
Description  18V/3A Step-Down DC/DC Converter
PDF  17 Pages
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Manufacturer  ACTIVE-SEMI [Active-Semi, Inc]
Direct Link  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT2103 Datasheet(HTML) 14 Page - Active-Semi, Inc

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ACT2103
Rev 2, 23-May-12
®
Innovative PowerTM
- 14 -
www.active-semi.com
Copyright © 2012 Active-Semi, Inc.
TYPICAL PERFORMANCE CHARACTERISTICS
(L = 15µH, CIN = 100µF, COUT = 330µF, Ta = 25°C, RCOMP = 18k, CCOMP1 = 2.2nF, CCOMP2 = N/C)
3A Load Operation
CH1
CH2
VIN = 12V
V0UT = 5V
CH1: VRIPPLE, 50mV/div
CH2: SW, 5V/div
TIME: 2µs/div
Load Transient (0A~1.5A)
CH1
CH2
CH1: VOUT, 100mV/div
CH2: ILOAD, 1A/div
TIME: 4ms//div
VIN = 12V
V0UT = 5V
Load Transient (1.5A~3A)
CH1
CH2
VIN = 12V
V0UT = 5V
CH1: VOUT, 100mV/div
CH2: ILOAD, 1A/div
TIME: 4ms//div
Start Up with VIN (Load 0A)
CH1
CH2
CH1: VIN, 10V/div
CH2: VOUT, 5V/div
CH3: SW, 10V/div
CH4: IL, 2A/div
TIME: 1ms/div
VIN = 12V
V0UT = 5V
CH3
CH4
Start Up with VIN (Load 3A)
CH1
CH2
VIN = 12V
V0UT = 5V
CH3
CH4
CH1: VIN, 10V/div
CH2: VOUT, 5V/div
CH3: SW, 10V/div
CH4: IL, 2A/div
TIME: 1ms/div
Start Up with EN (Load 0A)
CH1
CH2
VIN = 12V
V0UT = 5V
CH3
CH4
CH1: EN, 5V/div
CH2: VOUT, 5V/div
CH3: SW, 10V/div
CH4: IL, 2A/div
TIME: 1ms/div



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