SDT 5000 User Manual
Document MBUD-0109v11
Ohms and a contact to ground may be used to drive these inputs. The minimum input voltage to
be declared as high is 2.4 Volts. The maximum input voltage to be declared low is 0.2 Volts.
The digital input ground is connected to pin 11 (GND) of J5.
Input
VBAT
10K
100K
Figure 4 - Input equivalent circuit
5.4 Outputs
CAUTION
:
THE USE OF THE OUTPUTS FOR MISSION CRITICAL APPLICATIONS
WHERE LIFE OR PROPERTY MAY BE ENDANGERED IS NOT RECOMMENDED!!!
Output switch will automatically open during power-up self-test diagnostics. Switch will revert to its
configured state once the unit has finished powering up.
5.4.1 LOW SIDE DRIVER OUTPUT
The low side driver output is connected to pin 12 (OUT 1) of J5. The low side driver will pull the
signal to ground when active. The low side driver output can sink up to 200 mA of current.
Low side Driver
Figure 5 - Low side driver equivalent circuit
Version 1.1, 03/24/06
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