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WS3231 데이터시트 PDF




WINSEMI에서 제조한 전자 부품 WS3231은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 WS3231 자료 제공

부품번호 WS3231 기능
기능 High PF PSR Constant Current LED Driver
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WS3231 데이터시트, 핀배열, 회로
WS3231
WS3231 High PF PSR Constant Current LED Driver
Features
±5% LED Current Accuracy
Primary-side Sensing and Regulation Without
TL431 and Opto-coupler
No Auxiliary Winding For Sensing And Supplying
High Power Factor Correction
QR mode
600V MOS integrated
Ultra low operating current
LED Open/Short Circuit Protection
CS Resistor Short Circuit Protection
VCC over voltage protection & under voltage
lockout( UVLO)
Over Temperature Protection
Applications
GU10 LED driver
LED spot light
Other LED lighting
Typical Application Circuit
General Description
WS3231 is a high PF primary-side feedback and
regulation controller for LED lighting, optimized for flyback
converter with the output power less than 30W.
Since adopting primary sense and feedback control
technology, the secondary sense and feedback circuit is
eliminated. And WS3231 does not need the auxiliary
winding for sensing the output current and supplying the
chip. The low component counts and small system size
are realized.
Since using the high accurate current sense method,
WS3231 realizes ±5% accuracy of LED current along with
excellent line and load regulation.
WS3231 offers comprehensive protection including
Cycle-by-Cycle current limiting (OCP), LED open/short
circuit protection, CS resistor short circuit protection, VCC
UVLO,OVP and Clamp, and over temperature protection.
WS3231 is available in SOP-8 package.
NP NS
AC
1 VCC
2 NC
3 COMP
4 CS
GND 8
GND 7
D6
D5
W/T-S035-Rev.A/0 Dec.2013
Copyright@Winsemi Microelectronics Co., Ltd., All right r eserved.
1213




WS3231 pdf, 반도체, 판매, 대치품
Electrical Characteristics (TA=25VCC=14V, if not otherwise noted)
symbol
parameter
Test condition
Supply Voltage (VCC)
I_VCC_ST
Start up current
VCC=UVLO_ON-1V
I_OP
Operation Current
Fop=7Khz
UVLO_ON
Turn on threshold Voltage
VCC rising
UVLO_OFF
Turn-off threshold Voltage
VCC falling
VCC_Clamp VCC Clamp voltage
Icc=5m A
Current Sense Section
TLEB
Leading edge Blanking Time
V TH_OC
Tdelay
OCP threshold
Switch off delay time
Frequency Section
Ton_max
Max Primary On Time
Toff_max
Max Primary Off Time
Power MOS Section
Rds_on
ON-resistor
V GS=10V,ID=0.5A
Vds _BD
Breakdown voltage
ID=250μA
Over Temperature Protection
Tsd Thermal shutdown threshold
Tsd_hys
Thermal shutdown hysteresis
WS3231
Min Typ Max Unit
60
300
12.7
10
15
100
400
uA
uA
V
V
V
500 ns
485 500 515 mV
200 ns
24 us
224 us
15 Ω
600 V
150
25
Steady, keep you advance
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WS3231 전자부품, 판매, 대치품
SOP-8 Package Information
A
WS3231
A1
0 . 5 * 0.125±0.05
球形标记
A2 A3
θ3
R1
C4
R2
Symbol
A
B
C
A1
A2
A3
B1
B2
C1
C2
C3
C4
D
D1
Dimensions in Millimeters
Min Max
4.70 5.10
3.70 4.10
1.30 1.50
0.35 0.48
1.27TYP
0.345TYP
5.80 6.20
5.00TYP
0.55 0.70
0.55 0.70
0.05 0.225
0.203TYP
1.05TYP
0.40 0.80
Winsemi
Dimensions in Inches
Min Max
0.185
0.201
0.146
0.161
0.051
0.059
0.014
0.019
0.05TYP
0.014TYP
0.228
0.244
0.197TYP
0.022
0.028
0.022
0.028
0.002
0.009
0.008TYP
0.041TYP
0.016
0.031
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관련 데이터시트

부품번호상세설명 및 기능제조사
WS3230

High PF PSR Constant Current LED Driver

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WS3231

High PF PSR Constant Current LED Driver

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