®
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)
3A Load Operation
Load Transient (0A~1.5A)
VIN = 12V
0UT = 5V
V
CH1
CH2
CH1
CH2
VIN = 12V
V0UT = 5V
CH1: VOUT, 100mV/div
CH2: ILOAD, 1A/div
TIME: 4ms//div
CH1: VRIPPLE, 50mV/div
CH2: SW, 5V/div
TIME: 2µs/div
Start Up with VIN (Load 0A)
Load Transient (1.5A~3A)
VIN = 12V
0UT = 5V
V
CH1
CH2
CH1
CH2
CH3
CH4
VIN = 12V
0UT = 5V
V
CH1: VIN, 10V/div
CH2: VOUT, 5V/div
CH3: SW, 10V/div
CH4: IL, 2A/div
CH1: VOUT, 100mV/div
CH2: ILOAD, 1A/div
TIME: 4ms//div
TIME: 1ms/div
Start Up with EN (Load 0A)
Start Up with VIN (Load 3A)
VIN = 12V
0UT = 5V
VIN = 12V
0UT = 5V
V
V
CH1
CH2
CH1
CH2
CH3
CH4
CH3
CH4
CH1: VIN, 10V/div
CH2: VOUT, 5V/div
CH3: SW, 10V/div
CH4: IL, 2A/div
CH1: EN, 5V/div
CH2: VOUT, 5V/div
CH3: SW, 10V/div
CH4: IL, 2A/div
TIME: 1ms/div
TIME: 1ms/div
Innovative PowerTM
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