DMOS Full-Bridge PWM Motor Driver

A3959

5

Allegro MicroSystems, Inc.

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

Characteristics

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Reference Divider Ratio

–

–

10

–

–

Gm Error

(Note 3)

–

–

±4.0

%

–

–

±14

%

Propagation Delay Times

PWM change to source on

600

750

1200

ns

PWM change to source off

50

150

350

ns

PWM change to sink on

600

750

1200

ns

PWM change to sink off

50

100

150

ns

Thermal Shutdown Temp.

–

165

–

°C

Thermal Shutdown Hysteresis

–15

–

°C

UVLO Enable Threshold

UVLO

3.90

4.2

4.45

V

UVLO Hysteresis

∆UVLO

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 terminal.