Datasheet

www.ti.com

Test Setup

5.3 List of Test Points

Table 2. Test Point Functional Descriptions

TEST POINT NAME DESCRIPTION

TP1 VIN Input voltage positive sense point, reference to TP2

TP2 GND Input voltage negative sense point

TP3 VOUT1 Output 1 positive sense point, reference to TP4

TP4 GND Ground reference for TP3

TP5 HDRV1 Output 1 high drive test pad, reference to TP8

TP6 SW1 Output 1 switch node test pad, reference to TP8

TP7 LDRV1 Output 1 low drive test pad, reference to TP8

TP8 PGND1 Power ground for output 1

TP9 CHB1 Output 1 loop injection point, reference to TP10

TP10 AGND Ground reference for TP9

TP11 CHA1 Output 1 loop injection point, reference to TP12

TP12 AGND Ground reference for TP11

TP13 VOUT2 Output 2 positive sense point, reference to TP14

TP14 GND Ground reference for TP13

TP15 HDRV2 Output 2 high drive test pad, reference to TP18

TP16 SW2 Output 2 switch node test pad, reference to TP18

TP17 LDRV2 Output 2 low drive test pad, reference to TP18

TP18 PGND2 Power ground for output 2

TP19 AGND Ground reference for TP22

TP20 CHA2 Output 2 loop injection point, reference to TP21

TP21 AGND Ground reference for TP20

TP22 CHB2 Output 2 loop injection point, reference to TP19

TP23 PG2 Output 2 power good indicator

TP24 PG1 Output 1 power good indicator

SLUU506–June 2011 Dual Output Synchronous Buck Converter

Submit Documentation Feedback