AC220V转DC(12V15W )电源板AD设计硬件原理图+PCB文件，2层板设计，大小为100*55mm, ALTIUM设计的原理图+PCB文件，可以做为你的学习设计参考。
主要器件型号如下：
Library Component Count : 24
Name Description
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2N3904 NPN General Purpose Amplifier
2N3906 PNP General Purpose Amplifier
BRIDGE1 Diode Bridge
CON2 Connector
Cap Capacitor
Cap Pol1 Polarized Capacitor (Radial)
D Zener Zener Diode
DIODE
Diode 1N914 High Conductance Fast Diode
EC
ELECTRO2 Electrolytic Capacitor
FP103
FUSE-H
Header 2 Header, 2-Pin
INDUCTOR2
NMOS-2 N-Channel Power MOSFET
PC837 Optoisolator
RES2-B
Res Varistor Varistor (Voltage-Sensitive Resistor)
T
TR-2B
TRANS1
UCC28051
Volt Reg Voltage Regulator
