APW7073A 查看數據表（PDF） - Anpec Electronics
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APW7073A Datasheet PDF : 20 Pages
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APW7073A
Block Diagram
VCC
EN
Power-On-
Reset
ISS
30µA
Soft-Start
SS
OCSET
GND
IOCSET
200µA
O.C.P
Comparator
BOOT
UGATE
15K
PHASE
VREF
Error Amp
PWM
Comparator Gate
Control
Oscillator
Sawtooth
Wave
PVCC
LGATE
15K
PGND
FB
COMP
RT
Typical Application Circuit
12V
5.1
1µF
Zener
15V
NC
NC
ON
OFF
0.1µF
10nF
1nF
3.3k
PVCC VCC
OCSET
BOOT
RT
UGATE
EN
PHASE
SS
LGATE
COMP
FB
GND
PGND
8.2k
1N4148
1nF
2.2
3K
0.1µF
2.2
APM2510 APM2510
2.2
APM2556 APM2556
1.8k
3.3k 10nF
Copyright © ANPEC Electronics Corp.
9
Rev. A.5 - Nov., 2012
VIN
1µF 10µF 10µF 1500µFx2
7.2µH
1nF
2.2
VOUT
1µF 2200µFx2
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