SLA707XM datasheet(4/20 Pages) SANKEN

4 / 20 page

2-Phase Unipolar Stepper Motor Driver

SLA707xM Series

February, 2006

Sanken Electric Co.,Ltd.

I03-004EA-060227

REF Input Current

IREF

µA

VREF=0 to VDD

VLOL

1.25

ILOL =1.25mA

Logic Output Voltage

VLOH

VDD-1.25

ILOH =-1.25mA

ILOL

1.25

Logic Output Current

ILOH

-1.25

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

Note.

Negative current is defined as the outflowing current from the specified pin.

Electrical Characteristic(continued) (Ta=25°C,VBB =24V,VDD =5V Unless Otherwise Noted.)

Limits

Characteristic

Symbol

Min.

Typ.

Max.

Unit

Test Condition

Sense Voltage

VSENSE

0.3

VREF=0.3V

Mode F

Current detection Resistance

0.199

0.205

0.211

Ω

Mode F

100

Mode E

98.1

Mode D

95.7

Mode C

92.4

Mode B

88.2

ModeA

83.1

Mode 9

77.3

Mode 8

70.7

Mode 7

63.4

Mode 6

55.5

Mode 5

47.1

Mode 4

38.2

Mode 3

29.0

Mode 2

19.5

Step Reference Current Ratio

Mode 1

9.8

VREF=0.04V to

0.4V

Wake-Up time

tSE

100

µs

Sleep1 & Sleep2

tpdon

2.0

µs

Clock→Out ON

Switching Time

tpdoff

1.5

µs

Clock→Out OFF

PWM Minimum On Time

tON(min)

1.7

µs

tOFF1

µs

Mode 8 to F

tOFF2

µs

Mode 4 to 7

PWM OFF Time

tOFF3

µs

Mode 1 to 3

Note.

・

Negative current is defined as coming out of the specified pin.

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