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| APW7080 Datasheet, PDF (8/23 Pages) Anpec Electronics Coropration – 4A, 26V, 380kHz, Asynchronous Step-Down Converter | |||
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APW7080
Operating Waveforms (Cont.)
(Refer to the application circuit 1 in the section âTypical Application Circuitsâ, VIN=12V, VOUT=3.3V, L1=10µH)
IOUT = 3A
Power On
VIN
1
VOUT
2
3
IL1
Ch1 : VIN, 5V/Div, DC
Ch2 : VOUT, 2V/Div, DC
Ch3 : IL1, 2A/Div, DC
Time : 5ms/Div
Power Off
VIN
1
VOUT
2
IL1
3
Ch1 : VIN, 5V/Div, DC
Ch2 : VOUT, 2V/Div, DC
Ch3 : IL1, 2A/Div, DC
Time : 5ms/Div
IOUT = 3A
Enable Through EN Pin
IOUT = 3A
1
V
EN
VOUT
2
I
3
L1
Ch1 : VEN, 5V/Div, DC
Ch2 : VOUT, 2V/Div, DC
Ch3 : IL1, 2A/Div, DC
Time : 5ms/Div
Copyright © ANPEC Electronics Corp.
Rev. A.6 - Jun., 2008
Shutdown Through EN Pin
IOUT = 3A
1
VEN
VOUT
2
IL1
3
Ch1 : VEN, 5V/Div, DC
Ch2 : VOUT, 2V/Div, DC
Ch3 : IL1, 2A/Div, DC
Time : 5ms/Div
8
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