Datasheet

Test Procedure

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6.3 Test Point List

Table 6. Test Point Functions

Test Points Name Description

TP1 VIN Controller input

TP2 GND Ground

TP3 GND Ground

TP4 EN Enable

TP5 VOUT Output voltage

TP6 LL Switching node

TP7 GND Ground

TP8 PGOOD Power Good

TP9 VREG 5-V LDO output

TP10 CHA Input A for loop injection

TP11 CHB Input B for loop injection

TP12 GND GND

6.4 Equipment Shutdown

1. Shut down Load.

2. Shut down Load.

3. Shut down fan.

Using the TPS53355EVM-743, High-Efficiency, 30-A, Synchronous Buck SLUU522– August 2011

Converter With Eco-mode™— Control Scheme

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