NCP3337MN180GEVB_TEST_PROCEDURE.PDF - 684.0 KB

Test Procedure for NCP3337 1V8 DFN10 LDO Demoboard
Test procedure:
1.Check the position of jumper and correct it if necesary.
a)PWRGSUPP
- ON
b)EXT/INT
- INT
c)ON/OFF
- ON
2. Connect the test setup as shown Figure
3. Appy an input voltage Vin = 2.9 V
4. Appy Iout = 0mA load.
5. Check that Vout is 1.8 V.
6. Increase Iout up to 500 mA
7. Check the voltage at PWRG pin Upwrg = Vin
7. Increase Vin up to 12 V and decrease the load in accordance with SOA
8. Power down the Load
9. Power down the Vcc
10. End of test