3965 DMOS Dual Full Bridge

PWM Motor Driver

4

Limits

Characteristics

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Control Logic

Reference Input Current

-1

0

1

µA

VREF input voltage range

0

Reference Divider Ratio

6

-5

5

%

(Note 3)

-10

10

%

Propagation Delay

PWM CHANGE TO SOURCE OFF

–

150

–

ns

PWM CHANGE TO SINK OFF

–

150

–

ns

PWM CHANGE TO SOURCE ON

–

1000

–

ns

PWM CHANGE TO SINK ON

–

1000

–

ns

DISABLE TO SOURCE ON

–

200

–

ns

DISABLE TO SINK ON

–

200

–

ns

300

850

1200

ns

PWM RC Frequency

R = 1000pf, C = 20K

47.4

Khz

Blank Time

R = 1000pf, C = 20K

.8

1.21

1.6

µs

Thermal Shutdown Temp.

–

165

°C

Thermal Shutdown Hysteresis

–

15

–

°C

UVLO Enable Threshold

2.5

2.8

V

UVLO Hysteresis

0.05

0.10

–

V

NOTES: 1. Typical Data is for design information only.

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