NCV891330PD33GEVB_TEST_PROCEDURE - 69 KB

Test Procedure for the NCV891330-3.3V DEMO BOARD
IOUT
Multimeter
DC electronic
Load
Multimeter VOUT
VIN
VEN
Required Equipment
2 x DC voltage source
1 x DC electronic load
2 x Multimeters
11/26/2014
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Test Procedure:
1. Connect the test setup as shown above.
2. Make sure the load is not enabled.
3. Apply an enable voltage VEN=0V. Apply an input voltage, VIN = 13.2 V. VOUT should be 0V.
4. Apply an enable voltage VEN=3V. Verify that the output voltage is 3.3 V +/-0.1 V.
5. Set up the load to 2.5A and enable it. Verify that the output voltage is still 3.3 V +/-0.1 V.
6. Change the input voltage to 39 V. Verify that the output voltage is 0 V.
7. Change the input voltage to 36 V. Verify that the output voltage is 3.3 V +/-0.1 V.
8. Change the input voltage to 3.8 V. Verify that the output voltage is above 2.5 V.
9. Change the input voltage to 3.0 V. Verify that the output voltage is 0 V.
10. Change the input voltage to 4.5 V. Verify that the output voltage is 3.3 V +/-0.1 V.
11. Apply an enable voltage VEN=0V. VOUT should be 0V.
12. Turn off the DC sources.
11/26/2014
2
www.onsemi.com