3940

FULL-BRIDGE POWER

MOSFET CONTROLLER

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

6

V

≤≤≤≤ V

square wave.

Limits

Characteristics

Symbol

Conditions

Min

Typ

Max

Units

Bootstrap Circuit

Diode Forward Current Limit

140

–

1000

mA

Diode Forward Drop

0.8

–

2.0

V

Diode Resistance

1.5

–

6.5

Ω

Top-off CP Source Current at Cx

Icx

40

–

–

µA

Fault Logic

VBB Undervoltage

V

BB(uv)

Decreasing V

BB

4.5

5.25

6.0

V

VBB Undervoltage Hysteresis

∆V

BB(uv)

V

200

450

700

mV

VREG13 Undervoltage

V

REG13(uv)

Decreasing V

IN

7.5

8.25

9.0

V

VREG13 Undervoltage Hyst.

∆V

REG13(uv)

V

200

450

700

mV

VBB Overvoltage

V

BB(ov)

Increasing V

16

19.6

22

V

Increasing V

24

28

30.5

V

Increasing V

32.5

36.4

39

V

VBB Overvoltage Hysteresis

∆V

BB(ov)

V

2.1

3.1

4.1

V

OVSET Input Current

I

SET(ov)

0 V < V

–

–

1.4

µA

VDSTH Input Current

I

DSTH

0.3 V < V

–

–

1.0

µA

Short-to-Ground Threshold

V

STG(th)

V

V

–

V

V

V

V

–

V

V

V

V

–

V

V

Short-to-Battery Threshold

V

STB(th)

V

V

–

V

V

V

V

–

V

V

V

V

–

V

V

V

V

DO(th)

If V

1.0

–

3.0

V

V

I

VDRAIN

RESET = 0

–

–

1.0

µA

RESET = 1, V

–

–

500

µA

Fault Latch Clear Pulsewidth

t

latch

RESET = 0, pulse

0.15

–

2.0

µs

Fault Clear Propagation Delay

t

pd

From RESET = 1 to FAULT = 0

–

2.0

–

µs

Fault Detection Noise Filter

t

noise

–

1.7

–

µs

Fault Output

V

out(0)

I

–

–

0.4

V

I

out(1)

V

–

–

1.0

µA

Thermal Shutdown Temperature

T

J

T

–

172

–

°C

Thermal Shutdown Hysteresis

∆T

J

T

–

12

–

°C

NOTES: Typical Data is for design information only.

Negative current is defined as coming out of (sourcing) the specified device terminal.

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