WS9227 Datasheet, PDF (4/8 Pages) List of Unclassifed Manufacturers – High Precision PSR Constant Current LED Driver

WS9227ProductDescription
Electrical Characteristics (Unless otherwise specified, VCC=8V and TA =25 ℃)
Symbol
Parameter
Conditions
Min
Supply Voltage Section
VCC_Clamp
VCC clamp voltage
1mA
17.8
UVLO_off Turn-off threshold Voltage
14.3
UVLO_on Turn on threshold Voltage
9
IST
VCC start up current
VCC= 13V
150
IOP
VCC operating current
Fop=70KHz
Current Sense Section
Threshold voltage for peak
VCS_TH
390
current limit
Leading edge blanking
TLEB
time for current sense
TDELAY
Switch off delay time
Internal driver Section
Toff_max
Maximum Off Time
Toff_min
Minimum Off Time
Ton_max
Maximum On Time
Tons_OVP
Output OVP Threshold
Time
MOSFET Section
RDS_ON
Static drain-source
on-resistance
Drain-source breakdown
BVDSS
650
voltage
Drain-source leakage
IDSS
current
Over Temperature Protection
TREG
Thermal Regulation
Temperature
Typ
18.8
15.3
9.5
205
140
400
350
200
310
3.5
100
7
0.96
150
Max
Units
19.8
V
16.3
V
10
V
250
uA
uA
410
mV
ns
ns
us
us
us
us
1.2
Ω
V
10
uA
℃
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
www.winsemi.com Tel : [phone] Fax : [phone]
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
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