WS3441 ProductDescription
Electrical Characteristics (Unless otherwise specified, VCC=7V and TA =25 ℃)
Symbol
Parameter
Conditions
Min
Typ
Max
2.5
Units
Supply Voltage Section
Vcc_clamp
Icc_clamp
VCC_ST
Vuvlo_HYS
Ist
VCC Clamp Voltage
Ivcc=1mA
7.3
V
mA
V
VCC Clamp current
VCC Turn On Threshold
VCC Turn off Hysteresis
VCC Startup Current
VCC Rising
VCC Falling
6.9
1.5
V
VCC<VCC_ST-0.5V
230
200
270
uA
uA
Iop
VCC Operating Current
Current Sense Section
Threshold Voltage for Peak
Vcs_th
390
400
410
mV
Current Limit
Leading Edge Blanking Time
for Current Sense
TLEB
350
300
ns
ns
TDELAY
Switch Off Delay Time
Internal Time Control Section
TOFF_MIN
TOFF_MAX
TON_MAX
Minimum OFF Time
Maximum OFF Time
Maximum On Time
3
us
us
us
340
53
MOSFET Section
Static Drain-source
RDSON
VDS_BD
Idss
Vcc=7V/Id=0.5A
Vgs=0V/Id=250uA
Vgs=0V/Vds=500V
12.8
16
10
ohm
V
On-resistance
Drain-Source Breakdown
Voltage
500
Power MOSFET Drain
Leakage Current
uA
ROVP section
VROVP
ROVP Pin Voltage
0.5
V
Thermal Regulation Section
Thermal Shutdown
℃
TSD
160
20
Temperature
Thermal Shutdown Hysteresis
Thermal Regulation
Temperature
TSD_HYS
T_comp
℃
℃
150
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
www.winsemi.com Tel : +86-755-8250 6288
Fax : +86-755-8250 6299
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