Notes:

1) When driving a unipolar stepper motor the Power Supply Voltage must be lower than 24V.

2) A lower Supply Voltage than the Power Fail threshold disables the Step Down Power Supply (see Fig.2)

3) The minimum output current equals the half of the peak-to-peak current ripple

ELECTRICAL CHARACTERISTICS (continued)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Internal Clamp Diode Forward

Volt. CH3

1.1

V

Chip Seletion to End of Write

(Fig. 6)

700

ns

Write Pulse Width

(Fig. 6)

700

ns

Data Set-up Time

(Fig. 6)

700

ns

Data Hold-up Time

(Fig. 6)

0

ns

Write Cycle Time

(Fig. 6)

2.7

ms

Figure 1: Drain Lekage Current Equivalent Test

Circuit . The Gate-to-Source Voltage

VGS is below the Switch-Off

Threshold.

Junction Temperature

L6280

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