A3957SLB View Datasheet(PDF) - Allegro MicroSystems

Part Name

Description

MFG CO.

A3957SLB

FULL-BRIDGE PWM MICROSTEPPING MOTOR DRIVER

Allegro MicroSystems 

Prev 11 12 13 14 15 16

3957

FULL-BRIDGE PWM

MICROSTEPPING

MOTOR DRIVER

24

A3957SLB

Dimensions in Inches

(for reference only)

13

0.0125

0.0091

0.2992

0.2914

0.020 1

0.013

2

3 0.6141

0.5985

0.491

0.394

0.050

0.016

0.050

BSC

NOTE 1

NOTE 3

0° TO 8°

0.0926

0.1043

0.0040 MIN.

Dimensions in Millimeters

(controlling dimensions)

24

13

Dwg. MA-008-25 in

0.32

0.23

7.60

7.40

0.51

0.33

1

2

3 15.60

15.20

10.65

10.00

1.27

0.40

1.27

BSC

NOTE 1

NOTE 3

0° TO 8°

2.65

2.35

0.10 MIN.

Dwg. MA-008-25A mm

NOTES:1. Exact body and lead configuration at vendor’s option within limits shown.

2. Lead spacing tolerance is non-cumulative

3. Webbed lead frame. Leads 4, 5, 12, and 13 are internally one piece.

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