ACT4513
Active- Semi
Rev 6, 29-Jul-11
TYPICAL PERFORMANCE CHARACTERISTICS CONT’D
(L = 33µH, CIN = 10µF, COUT = 47µF, Ta = 25℃, RCOMP = 8.2k, CCOMP1 = 2.2nF, CCOMP2 = NC)
SW vs. Output Voltage Ripple
Start up with EN
VIN = 24V
V0UT = 5V
I0UT = 2A
VIN = 12V
V0UT = 5V
I0UT = 2A
CH1
CH1
CH2
CH2
CH1: EN, 2V/div
CH2: VOUT, 2V/div
TIME: 400µs//div
CH1: VRIPPLE, 20mV/div
CH2: SW, 10V/div
TIME: 2µs/div
Load Step Waveforms
Start up with EN
VIN = 12V
0UT = 5V
IISET = 2A
VIN = 24V
V0UT = 5V
IISET = 2A
V
CH1
CH2
CH1
CH2
CH1: EN, 2V/div
CH2: VOUT, 2V/div
TIME: 400µs//div
CH1: VOUT, 200mV/div
CH2: IOUT, 1A/div
TIME: 200µs/div
Short Circuit
Load Step Waveforms
VIN = 12V
0UT = 5V
IISET = 2A
VIN = 24V
V0UT = 5V
IISET = 2A
V
CH1
CH1
CH2
CH2
CH1: VOUT, 200mV/div
CH2: IOUT, 1A/div
TIME: 200µs/div
CH1: VOUT, 2V/div
CH2: IOUT, 1A/div
TIME: 100µs/div
Innovative PowerTM
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