NCP3337MN330GEVB_TEST_PROCEDURE.PDF

Test Procedure for NCP3337 3V3 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 = 3.7 V
4. Appy Iout = 0mA load.
5. Check that Vout is 3.3 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
11/04/2010
1
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NCP3337MN330GEVB_TEST_PROCEDURE.PDF - 1218.0 KB