Analog Integrated Circuit Device Data

10

Freescale Semiconductor

34921

STATIC ELECTRICAL CHARACTERISTICS

Motor Drivers in DC Mode (cont)

Output MOSFET Leakage Current

–0.1

±40

Current Limit Maximum Duty Cycle(9)

1.0

2.0

4.0

%

Current Limit Pulse Width(9)

0.5

1.5

6.0

Motor Driver C in Step Mode

Switch Voltage Drop, Output to Ground

––

1.5

V

Step Motor Current Limit

B+ = 20 V

1.0

–

2.0

A

Voltage at Which Internal Clamp Activates

44

51

59

V

Tested Maximum High-Voltage Leakage Current

–0.5

40

Any Step Driver Output Leakage Current to Ground

–0.1

40

Current Limit Maximum Duty Cycle

5.0

11

15

%

Current Limit Pulse Width

510

20

Boost Voltage

V

External N-FET Gate Drive Output

GATEOUT High Output

V

GATEOUT Low Output

–0.1

0.3

V

Notes

9.

Motor driver A, B, C Top Side only. For C Bottom Side, see Motor Driver C in Step Mode: Current Limit Maximum Duty Cycle and Current

Limit Pulse Width

Table 3. Static Electrical Characteristics (continued)

Characteristic

Symbol

Min

Typ

Max

Unit