WS3254 Datasheet, PDF (3/10 Pages) Shenzhen Winsemi Microelectronics Co., Ltd – High Precision Primary-Side Off-line PWM Power Switch

WS3254 Product Description
Block Diagram
vcc 1
POR
UVLO
Insernal
5 V ^Supply
G ate
Driver
CC
Controller
PW M
Generator
Drop
Comp
2V
IN V
EA
3
Sampler
CLK
Genterator
Sampling
Controller
Frequency
Shuffling
2 _COMP
D R A IN
5 /6
Power
MOSFET
Soft start
OCP
LEB
CS
4
GND
7 /8
Output Power Table
Product
230VAC±15%
Adapter1
85-264VAC
Adapter1
WS3254
12W
8W
Note: Maximum practical continuous power in an Adapter design with sufficient drain pattern as a heat sink, at 50℃ ambient.
Ordering Information
Package
8-Pin DIP-8, Pb-free
IC Marking Information
WS3254D8P
Purchasing Device Name
WS3254D8P
Recommended Operating Condition
Symbol
Parameter
VCC
VCC supply voltage
TA
Operating temperature
Value
Unit
10~30
V
-20~85
℃
WIN SEM I M ICROELECTRON ICS
WIN SEM I M ICROELECTRON ICS
WIN SEM I M ICROELECTRON ICS
www.winsemi.com Tel : [phone] Fax : [phone]
WIN SEM I M ICROELECTRON ICS
WIN SEM I M ICROELECTRON ICS
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