Categories: Regulated Power Supply

Small Size Power Supply 5-12V

The proposed unit is designed for AC power small electronic devices (handheld radios, tape recorders, watches, etc.). The output voltage can be selected within the range of 5 to 12 V. One of the advantages of unit – small size: all its parts are placed in the body … mains plug.

Parts list :
R1 : 62 Ω
R2 : 220K
R3 : 300K
R4 : 1K3
R5 : 470Ω
R6,R7 : 220Ω
R8 : 470Ω
R9 : 100K
C1 : 10uF/160V
C2 : 470uF/16V
C3 : 0.33uF
VD1 : KU407A
VD2,VD3 : KD522A
VD4 : KC191
VT1 : KT940A
VT2 : KT3130A
VT3,VT4,VT5 : KT940A
DA1 : 78L05

More details : cxem.net/pitanie/5-19.php

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Tags: 5v power supplycompact power supplyradio psusmall size power supplytape recorder psuwatches power supply
12 years ago

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