Texas Instruments 20A Stackable Single Phase Synchronous Buck Converter Evaluation Module TPS40180EVM TPS40180EVM Datenbogen
Produktcode
TPS40180EVM
www.ti.com
5.6
Test Points
5.7
Equipment Shutdown
6
TPS40180EVM Typical Performance Data and Characteristic Curves
TPS40180EVM Typical Performance Data and Characteristic Curves
Several test points are located around the board. These can be used to sense what is occurring at
different points of the converter.
different points of the converter.
lists these test points and what they are used for.
Table 5. List of Test Points
Name
Test Point Label
Description
TP1
VOUT
Output voltage positive sense point
TP2
VIN
Input voltage positive sense point
TP3
PGND
Output voltage negative sense point
TP4
PGND
Input voltage negative sense point
TP5
SS
Soft Start
TP6
COMP
Error Amplifier Output
TP7
PGOOD
Power Good
TP8
BP5
Internal Linear Regulator Output
TP9
CHA
Loop Injection Point
TP10
CHB
Loop Injection Point
TP11
SW
Switch Node
TP12
UVLO
IC Enable Voltage
TP13
AGND
Signal Ground
A. Shut down LOAD
B. Shut down V
B. Shut down V
IN
C. Shut down FAN
through
present typical performance curves for the TPS40180EVM. Since actual
performance data can be affected by measurement techniques and environmental variables, these curves
are presented for reference and may differ from actual field measurements.
are presented for reference and may differ from actual field measurements.
10
Using the TPS40180EVM, A 20A Stackable Single Phase Synchronous Buck Converter
SLVU213 – May 2007