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BENCH TEST SETUP CONDITIONS

4 BENCH TEST SETUP CONDITIONS

4.1 Headers Description and Jumper Placement

Figure 4. Headers Description and Jumper Placement

Test points:

(A) LX, VIN, VOUT

4.2 Jumpers and Switches

Table 2. Jumpers and Switches

NO. FUNCTION PLACEMENT COMMENT

Connect JP4 to GND and set the switching frequency to 50 See datasheet (SLVSBF7) for the resistor

JP4 Switching Frequency kHz; Leave it open and set switching frequency to 120 kHz; value corresponding to specific switching

Connect a resistor to set the switching frequency frequency.

5 POWER-UP PROCEDURE

1. Apply 6.5 V - 28 V to JP1.

2. Apply load to the output connector.

6 SCHEMATIC AND BILL OF MATERIALS

The following pages contain the TPS5405EVM schematic and bill of materials.

SLVU739–May 2012 TPS5405EVM User’s Guide

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