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WS9445P Datenblatt(PDF) 4 Page - Shenzhen Winsemi Microelectronics Co., Ltd

Teilenummer WS9445P
Bauteilbeschribung  Non-isolated BuckOffline LED Driver
PDF  9 Pages
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Hersteller  WINSEMI [Shenzhen Winsemi Microelectronics Co., Ltd]
Direct Link  http://www.winsemi.com
Logo WINSEMI - Shenzhen Winsemi Microelectronics Co., Ltd

WS9445P Datenblatt(HTML) 4 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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WS9445P Product Description
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
Electrical Characteristics (Unless otherwise specified, VCC=15V and TA =25 ℃)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Supply Voltage Section
VCC_CLAMP
VCC Clamp Voltage
10mA
17.8
18.8
19.8
V
UVLO_on
Chip Startup Voltage
14
15
16.2
V
UVLO_off
VDD Under voltage
protection
9
9.5
10
V
Ist
Startup Current
VCC= 13V
150
220
300
uA
Iop
Operating Current
Fop=70KHz
100
170
250
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 Time Control Section
Toff_max
Minimum OFF Time
310
us
Toff_min
Maximum OFF Time
Rovp=70k
4.5
us
Ton_max
Maximum On Time
100
us
DIM Dimming Section
VH_DIM
DIM Square Wave High
Level
1
3
5
V
VL_DIM
DIM Square Wave Low
Level
-300
0
400
mV
f_DIM
DIM Square Signal
Frequency
0.1
0.5
5
KHZ
MOSFET Section
Rds_on
Static Drain-source
On-State Resistance
Vgs=15V,Ids=0.5A
2
Ω
BVdss
Drain-Source Breakdown
Voltage
Vgs=0V,Ids=250uA
600
V
Idss
Drain-Source Leakage
Current
Vgs=0V,Vds=500V
10
uA
Thermal Regulation Section
TREG
Thermal Regulation
Temperature
150
℃



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