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WS9254D7P Datasheet(PDF) 3 Page - Shenzhen Winsemi Microelectronics Co., Ltd

Part # WS9254D7P
Description  High Precision PSR Constant Current LED Driver
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Manufacturer  WINSEMI [Shenzhen Winsemi Microelectronics Co., Ltd]
Direct Link  http://www.winsemi.com
Logo WINSEMI - Shenzhen Winsemi Microelectronics Co., Ltd

WS9254D7P Datasheet(HTML) 3 Page - Shenzhen Winsemi Microelectronics Co., Ltd

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WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
WS9254ProductDescription
Ordering Information
Package
Marking
Part Number
7-Pin DIP-7, Pb-free
WS9254D7P
WS9254D7P
Recommended Operation Conditions
Symbol
Parameter
Value
Unit
Fmax
Maximumworking frequency
100
khz
TA
Operation temperature
-20~85
VCC
Power supply voltage
10~17.5
V
POUT1
Output power(Input voltage230V±15%)
<18
W
POUT2
Output power(Input voltage85V~265V)
<12
W
Absolute Maximum Ratings (Note1)
Symbol
Paramete
Limites
Unit
VCC
VCC pin input voltage
-0.3~20
V
FB
Feedback pin input voltage
-0.3~6
V
Drain
Internal MOSFET drain voltage
-0.3~600
V
CS
Current sense pin input voltage
-0.3~6
V
PDMAX
Power dissipation (note2)
0.9
W
Tjo
Operating junction temperature
-40~150
θJA
Thermal resistance (Junction to Ambient)
80
/W
TSTG
Storage temperature range
-55~150
Note 1: Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. Under
recommended operating conditions” the device operation is assured, but some particular parameter may not be achieved.
The electrical characteristics table defines the operation range of the device, the electrical characteristics is assured on DC and
AC voltage by test program. For the parameters without minimum and maximum value in the EC table, the typical value defines
the operation range, the accuracy is not guaranteed by spec.
Note 2: The maximum power dissipation decrease if temperature rise, it is decided by TJMAX, θ JA, and environment
temperature (TA). The maximum power dissipation is the lower one between PDMAX = (TJMAX - TA)/ θJA and the number
listed in the maximum table.


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