Datasheet

Test Setup

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5.3 List of Test Points

Table 2. Test Point Function

TEST POINTS NAME DESCRIPTION

TP1 LINE input AC Input voltage LINE connection

TP2 NEUTRAL input AC input voltage NEUTRAL connection

TP3 GND Reference ground for signal

TP4 Rectifier Input Input after common mode choke

TP5 FET Drive U3 (UCC29910A) Pin 13

TP6 GND Reference ground for power

TP7 3V3B 3.3-V bias and U3 (UCC29910A) Pin 1

TP8 Current Monitor Q5 drain current monitoring

TP9 Current Monitor Q5 drain current monitoring

TP10 Drive Q5 gate

TP11 Drain Q5 drain

TP12 VO- Output voltage negative terminal

TP13 VO+ Output voltage positive terminal

J1 Bias External 10-V bias

J2 Fault Manual Fault Input to trigger fault protection from external circuit

J3 Vout Output power terminal

Buck PFC Pre-Regulator in Power Factor Correction Applications SLUU505A– May 2011– Revised October 2011

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