SLA7051M

UNIPOLAR STEPPER-MOTOR

TRANSLATOR/PWM DRIVER

www.allegromicro.com

3

Motor

Driver

Electrical characteristics: unless otherwise noted at T

Limits

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Output drivers

Driver Supply Volt. Range

V

BB

Operating

10

—

44

V

Drain-Source Breakdown

V

(BR)DS

V

100

—

—

V

Output On Resistance

r

DS(on)

I

—

300

500

m

Ω

Body Diode Forward Volt.

V

F

I

—

0.8

1.1

V

Driver Supply Current

I

BB

——

15

mA

V

—

—

100

µA

Control logic

Logic Supply Volt. Range

V

DD

Operating

3.0

5.0

5.5

V

Logic Input Voltage

V

IH

0.75V

DD

——

V

V

IL

—

—

0.25V

DD

V

Logic Input Current

I

IH

—

±1.0

—

µA

I

IL

—

±1.0

—

µA

Max. Clock Frequency

f

clk

100*

—

—

kHz

PWM Off Time

t

off

—12

—

µs

PWM Min. On Time

t

on(min)

—

5.0

—

µs

Ref. Input Voltage Range

V

REF

Operating

0.0

—

1.5

V

Sleep mode

2.0

—

—

V

Ref. Input Current

I

REF

—

±10

—

µA

Sense Voltage

V

S

Trip point

—

V

REF

—V

Propagation Delay Time

t

PLH

Clock rising edge to output on

—

2.5

—

µs

t

PHL

Clock rising edge to output off

—

2.0

—

µs

Logic Supply Current

I

DD

—

—

3.0

mA

Typical values are given for circuit design information only.

*Operation at a clock frequency greater than the specified minimum value is possible but not warranted.