APW7302
Operating Waveforms (Cont.)
Refer to the “Typical Application Circuit” The test conditions are VIN=12V, VOUT=3.3V, L1=10µH, C2=22µF, TA= 25oC unless otherwise
specified.
Over Current
VOUT
IOUT =0~4A
1
IL1
2
CH1: VOUT, 1V/Div, DC
CH2: IL1, 2A/Div, DC
TIME: 50ms/Div
Switching Waveform
IOUT=0A
VLX
1
2
IL1
CH1: VLX, 5V/Div, DC
CH2: IL1, 0.5A/Div, DC
TIME: 1µs/Div
Short Circuit
VOUT is shorted to GND by a short wire
1
VOUT
2
IL1
3
CH1: VOUT, 1V/Div, DC
CH2: IL1, 2A/Div, DC
TIME: 1s/Div
Switching Waveform
IOUT=2A
VLX
1
2
IL1
CH1: VLX, 5V/Div, DC
CH2: IL1, 2A/Div, DC
TIME: 1µs/Div
Copyright © ANPEC Electronics Corp.
7
Rev. A.4 - Nov., 2011
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