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WS9224 Datasheet(PDF) 3 Page - Shenzhen Winsemi Microelectronics Co., Ltd

Part # WS9224
Description  High Precision PSR Constant Current LED Driver
PDF  7 Pages
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Manufacturer  WINSEMI [Shenzhen Winsemi Microelectronics Co., Ltd]
Direct Link  http://www.winsemi.com
Logo WINSEMI - Shenzhen Winsemi Microelectronics Co., Ltd

WS9224 Datasheet(HTML) 3 Page - Shenzhen Winsemi Microelectronics Co., Ltd

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www.winsemi.com Tel : +86-755-8250 6288
Fax : +86-755-8250 6299
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WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
WS9224ProductDescription
Recommended Operation Conditions
Part Number
Package
Input voltage
Maximum output power
WS9224
SOP7
175VAC-264VAC
<12W
90VAC-264VAC
<8W
Absolute Maximum Ratings
symbol
paramete
Range
unit
Icc_max
VCC pin maximum sink current
2.5
mA
Drain
Internal HV MOSFET drain voltage
-0.3~650
V
CS
Current sense pin input voltage
-0.3~7
V
TJ
Operating junction temperature
165
℃
TSTG
Storage temperature range
-55~165
℃
Note 1: Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device.
Electrical Characteristics (Unless otherwise specified, VCC=8V and TA =25 ℃)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Supply Voltage Section
VCC_Clamp
VCC clamp voltage
1mA
17.8
18.8
19.8
V
UVLO_off
Turn-off threshold Voltage
14.3
15.3
16.3
V
UVLO_on
Turn on threshold Voltage
9
9.5
10
V
IST
VCC start up current
VCC= 13V
150
205
250
uA
IOP
VCC operating current
Fop=70KHz
140
uA
Current Sense Section
VCS_TH
Threshold voltage for peak
current limit
390
400
410
mV
TLEB
Leading edge blanking
time for current sense
350
ns
TDELAY
Switch off delay time
200
ns
Internal driver Section
Toff_max
Maximum Off Time
310
us
Toff_min
Minimum Off Time
3.5
us
Ton_max
Maximum On Time
100
us
Tons_OVP
Output OVP Threshold
Time
7
us
MOSFET Section
RDS_ON
Static drain-source
on-resistance
8
9.5
Ω
BVDSS
Drain-source breakdown
voltage
650
V
IDSS
Drain-source leakage
current
1
uA
Over Temperature Protection
TREG
Thermal Regulation
Temperature
150
℃



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