MP6509 – 2.7V-TO-18V, 1.2A STEPPER MOTOR DRIVER

MP6509 Rev.1.0

www.MonolithicPower.com

4

8/28/2014

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© 2014 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS

Parameter

Symbol

Condition

Min

Typ

Max

Units

Power Supply

Input Supply Voltage

V

IN

2.7

18

V

V

DD

4.85

V

Quiescent Current

I

IN

nSLEEP=1, I

Output disable

1.6

1.8

mA

I

IN_SLEEP

nSLEEP=0, V

1

µA

Integrated MOSFETs

Output On Resistance

R

HS

I

T

250

350

mΩ

I

T

310

400

mΩ

I

T

350

mΩ

I

T

400

mΩ

R

LS

I

T

235

350

mΩ

I

T

310

400

mΩ

I

T

310

mΩ

I

T

400

mΩ

Body-Diode Forward

Voltage

V

F

I

1

V

Control Logic

UVLO Threshold (Rising)

V

IN RISE

2.5

V

UVLO Hysteresis

V

HYS

30

75

120

mV

Input Logic ‘Low’ Threshold

0.6

V

Input Logic ‘High’ Threshold

2

V

nSLEEP Logic, Low

V

SLEEP L

0.4

V

nSLEEP Logic, High

V

SLEEP H

2

V

Fault Output Logic, Low

V

FAULT_L

Flag triggered by OTP

1mA Current.

200

mV

Fault Output Leakage

Current

I

LEAK_FAULT

V

1

µA

Constant Off Time

21

26

31

µs

Propagation Delay Time

(On)

10mA Source Current

100

200

300

ns

20

55

90

ns

Propagation Delay Time

(Off)

135

180

225

ns

80

130

180

ns