SLA7075M, SLA7076M,

SLA7077M, and SLA7078M

Motor Driver ICs

5

www.allegromicro.com

STEPPING CHARACTERISTICS, applicable to both PR and R products; representative values from SLA7070M series shown

Characteristics

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Step Reference Current Ratio

Mode F

–

100

–

%

Mode E

–

98.1

–

%

Mode D

–

95.7

–

%

Mode C

–

92.4

–

%

Mode B

–

88.2

–

%

Mode A

–

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

–

%

Mode 2

–

19.5

–

%

Mode 1

–

9.8

–

%

Mo (Load) Output Voltage

–

–

1.25

V

–

–

V

Mo (Load) Output Current

–

–

1.25

mA

–1.25

–

–

mA

PWM Minimum On-Time

–

1.7

–

μs

PWM Off-Time

Mode 8 to Mode F

–

12

–

μs

Mode 4 to Mode 7

–

9

–

μs

Mode 1 to Mode 3

–

7

–

μs