®
ACT2103
Rev 2, 23-May-12
TYPICAL PERFORMANCE CHARACTERISTICS
(L = 15µH, CIN = 100µF, COUT = 330µF, Ta = 25°C, RCOMP = 18k, CCOMP1 = 2.2nF, CCOMP2 = N/C)
Short Circuit
Start Up with EN (Load 3A)
VIN = 12V
0UT = 5V
VIN = 12V
0UT = 5V
V
V
CH1
CH2
CH1
CH2
CH3
CH3
CH4
CH4
CH1: EN, 5V/div
CH2: VOUT, 5V/div
CH3: SW, 10V/div
CH4: IL, 2A/div
CH1: IOUT, 10A/div
CH2: VOUT, 5V/div
CH3: SW, 10V/div
CH4: IL, 5A/div
TIME: 1ms/div
TIME: 40ms/div
Short Circuit Recovery
Start Up with Output Dead Short
VIN = 12V
0UT = 5V
VIN = 12V
0UT = 5V
V
V
CH1
CH1
CH2
CH2
CH3
CH4
CH3
CH4
CH1: VIN, 10V/div
CH2: VOUT, 5V/div
CH3: SW, 10V/div
CH4: IL, 5A/div
CH1: IOUT, 5A/div
CH2: VOUT, 5V/div
CH3: SW, 10V/div
CH4: IL, 5A/div
TIME: 40ms/div
TIME: 40ms/div
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