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PDF ( 数据手册 , 数据表 ) WS2585

零件编号 WS2585
描述 Low Power Primary Side AC/DC Controller
制造商 Winsemi
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WS2585 数据手册, 描述, 功能
WS2585 Product Description
WS2585 Low Power Primary Side AC/DC Converter
Features
■ Build-in 530V(Vceo) NPN power transistor
■ No-load power Less than100mW
■ Lower start-up current
■ Frequency jittering
■ Build-in Leading Edge Blanking
■ Cycle by cycle over current protection (OCP)
■ Under voltage lockout
±5% CCCV Accuracy
■ Ultra low standby power (<100mW)
Applications
■ Adapters/Chargers for Cell phones, PDAs, MP3 and other
portable apparatus
■ LED Driver
■ Standby and Auxiliary power supplies
General Description
The WS2585 is a high performance AC/DC power supply
converter for battery charger and adapter applications.
The device uses Pulse Frequency Modulation (PFM)
method to build discontinuous conduction mode (DCM)
flyback power supplies. The WS2585 provides accurate
constant voltage and constant current (CC/CV) regulation
without requiring the opto-coupler and the secondary control
circuitry.
It also eliminates the need of loop compensation circuitry
while maintaining stability.
The WS2585 achieves excellent regulation and high power
efficiency, the no-load power consumption is less than
100mW.
The WS2585 is available in DIP8 package.
Typical Application Circuit
L
V+
N
V-
1
CPC
2 FB
3
GND
4
VCC
8
C
C7
E6
5
CS
WINSEM I M ICROELECTRONICS
WINSEM I M ICROELECTRONICS
WINSEM I M ICROELECTRONICS
Copyright@Winsemi Microelectronics Co., Ltd., All right reserved.
WINSEM I M ICROELECTRONICS
W/T-D022-Rev.A/1 May.2014
WINSEM I M ICROELECTRONICS
0513







WS2585 pdf, 数据表
WS2585 Product Description
DIP -8 Package Information
θ2
D2
θ1
θ3
A2
A5 A1
A
A3
A4
D1
D
Symbol
A
B
C
A1
A2
A3
A4
A5
C1
C2
C3
C4
D
D1
D2
Winsemi
Dimensions in Millimeters
Min Max
9.00 9.50
6.10 6.60
3.0 3.4
1.474
1.574
0.41 0.53
2.44 2.64
0.51TYP
0.99TYP
6.6 7.30
0.50TYP
3.00 3.40
1.47 1.65
7.62 9.3
0.24 0.32
7.62TYP
Dimensions in Inches
Min Max
0.354
0.374
0.240
0.260
0.118
0.134
0.058
0.062
0.016
0.021
0.096
0.260
0.02TYP
0.04TYP
0.104
0.287
0.02TYP
0.118
0.134
0.058
0.065
0.300
0.366
0.009
0.013
0.3TYP
WIN SEM I M ICROELECTRON ICS
WIN SEM I M ICROELECTRON ICS
WIN SEM I M ICROELECTRON ICS
www.winsemi.com Tel : +86-755-8250 6288 Fax : +86-755-8250 6299
WIN SEM I M ICROELECTRON ICS
WIN SEM I M ICROELECTRON ICS
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