ACT4533A/B
Rev 0, 14-Aug-13
TYPICAL PERFORMANCE CHARACTERISTICS CONT’D
(Schematic as show in Figure 9, Ta = 25°C, unless otherwise specified)
SW vs. Output Voltage Ripple
Start up with VIN
VIN = 12V
VOUT = 5V
IOUT = 2.4A
VIN = 24V
VOUT = 5V
IOUT = 2.4A
CH1
CH1
CH2
CH2
CH1: VIN, 5V/div
CH2: VOUT, 2V/div
TIME: 400µs//div
CH1: VRIPPLE, 50mV/div
CH2: SW, 10V/div
TIME: 4µs/div
Load transient (80mA-1A-80mA)
Start up with VIN
VIN = 24V
VOUT = 5V
IOUT = 2.4A
VIN = 12V
OUT = 5V
IISET = 2.65A
V
CH1
CH1
CH2
CH2
CH1: VIN, 10V/div
CH2: VOUT, 2V/div
TIME: 400µs//div
CH1: VOUT, 50mV/div
CH2: IOUT, 1A/div
TIME: 400µs//div
Output Short test
Load transient (1A-2.4A-1A)
VIN = 24V
VIN = 24V
VIN = 12V
VOUT = 5V
IISET = 2.65A
V
OUT = 5V
VOUT = 5V
IISET = 2.65A
IISET = 2.65A
CH1
CH1
CH2
CH2
CH1: VOUT, 100mV/div
CH2: IOUT, 1A/div
CH1: VOUT, 2V/div
CH2: IL, 1A/div
TIME: 400µs//div
TIME: 100µs//div
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