Sanghee Byun / Advanced Research Team

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Presentation transcript:

Sanghee Byun / Advanced Research Team TPS54122 Test Index EVM Setting Resistor Setting Test Setting Test Result 2017-03-30 Sanghee Byun / Advanced Research Team

EVM Setting 1. 2. 3. 1. 1. VIN - LDO IN Direct Connecting (VIN = 5V, JP2 : OFF) 2. JP4 : OFF, OFF-SW_EN Non Connecting 3. JP3 : VIN-LDO_BIAS Connecting

Resistor Setting 1. SW OUT Resistor Set 2. LDO OUT Resistor Set SW OUT : 1.2V R4 R5 R6 12.7K 10K 22.1K LDO OUT : 3.3V R1 R2 10K 3.2K

Test Setting VIN : 5V INPUT 0.1~3A Load SW OUT LDO OUT

Test Result Test – 8 : SW OUT Test – 8 : LDO OUT Test No. Load Current (A) SW OUT (V) LDO OUT (V) 1 No load 3.3167 1.1959 2 0.1 3.2873 1.1929 3 0.5 3.2783 1.1803 4 3.2674 1.1647 5 1.5 3.2566 1.1494 6 3.2441 1.1341 7 2.5 3.2323 1.1186 8 3.218 1.1033 Test – 8 : SW OUT Test – 8 : LDO OUT