2

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Parameter

Symbol

Test conditons

Min

Typ

Max

Unit

Drain-Source Voltage

730

V

Off State Drain Current

0.1

mA

Static Drain-Source

27

30

Ω

On State Resistance

54

Ω

Fall Time

100

ns

Rise Time

50

ns

Drain Capacitance

40

pF

Start Up Charging Current

-1

mA

Start Up Charging Current in Thermal Shutdown

0

mA

Operating Supply Current Not Switching

3

5

mA

Operating Supply Current Switching (Note 1)

4.5

mA

Restart Duty Cycle

(See fig. 3)

16

%

7

8

9

V

13

14.5

16

V

5.8

6.5

7.2

V

38

42

46

V

Oscillator Frequency Total Variation

54

60

66

kHz

(See fig. 4)

320

Peak Current Limitation

0.32

0.4

0.48

A

(See fig. 4)

0.9

mA

FB Pin Input Impedance

1.2

KΩ

Current Sense Delay to Turn-Off

200

ns

Blanking Time

500

ns

Minimum Turn On Time

700

ns

Thermal Shutdown Temperature

(See fig. 5)

140

170

℃

Thermal Shutdown Hysteresis

(See fig. 5)

40

℃

Note: 1. These test conditions obtained with a resistive load are leading to the maximum conduction time of the device.

■ Marking

Marking

VIPER12A

SMD Type

Integrate Circuit

VIPER12A