www.winsemi.com

Tel : +86-755-8250 6288

Fax : +86-755-8250 6299

4/8

WINSEMI MICROELECTRONICS

WINSEMI MICROELECTRONICS

WINSEMI MICROELECTRONICS

WINSEMI MICROELECTRONICS

WINSEMI MICROELECTRONICS

Electrical Characteristics

Conditions： (Notes 4, 5) (Unless otherwise specified, VCC=15V and TA =25 ℃)

Parameter

Symbol

Condition

Min.

Typ.

Max.

Unit

Supply Voltage Section

VCC Clamp Voltage

1mA

18.8

V

VCC Turn On Threshold

14

V

VCC Turn off Threshold

8.8

V

VCC Startup Current

120

180

uA

VCC Operating Current

90

150

uA

Current Sense Section

Threshold Voltage for Peak

Current Limit

380

400

420

mV

Threshold Voltage for Peak

Current Limit When Output

Short

Output Short

200

mV

Leading Edge Blanking Time

for Current Sense

350

ns

Switch Off Delay Time

200

ns

Line Voltage Feed Forward

Threshold

3

V

Internal Time Control Section

Minimum OFF Time

2.5

us

Maximum OFF Time

250

us

Maximum On Time

10

us

Over Voltage Protection Section

FB Over Voltage Protection

Threshold

1

V

MOSFET Section

Static Drain-source

On-resistance

VGS=15V/IDS=0.5A

3

Ω

Drain-Source Breakdown

Voltage

VGS=0V/IDS=250uA

300

V

Power MOSFET Drain Leakage

Current

VGS=0V/VDS=300V

1

uA

Thermal section

Thermal Regulation

Temperature

150

℃

Note 4: production testing of the chip is performed at 25°C.

Note 5: the maximum and minimum parameters specified are guaranteed by test, the typical value are guaranteed by design,

characterization and statistical analysis.