SLVU944B
October 2015 – October 2020
TPS7H1101-SP
Trademarks
1
Introduction
1.1
Related Documentation
2
Description
3
Test Setup
3.1
Equipment
3.1.1
Power Supplies
3.1.2
Load Number 1
3.1.3
Meters
3.1.4
Oscilloscope
3.2
Bench Test Setup Conditions
3.2.1
Headers Description and Jumper Placement
3.2.2
Testing
3.3
Power-Up Procedure
3.3.1
IOUT and VOUT Measurements
3.3.2
Output Current Limiting
3.3.3
High-Side Current Sense
3.3.4
Current Foldback
3.3.5
Power Good
3.3.6
Dropout Voltage
3.3.7
Transient Response
3.3.8
Current Sharing
3.3.9
Soft-Start
3.3.10
Enable and Disable
3.3.11
Turn-Off
4
Board Layout
4.1
EVM Layout Flexibility
5
Schematic and Bill of Materials
Revision History
3.3
Power-Up Procedure
The following test proceedure and results are based on testing of the default configuration of the EVM. The EVM by default is configured to output 1.8 V.
Table 3-2 Test Results
V
OUTMIN
V
OUTMAX
Current Limit
Current Foldback
V
OUT
= 1.8 V
1.76 V
1.836 V
< 3.8 A
< 1.9 A
OUTPUT SET POINT
I
OUT
= 3 A
1.8166 V
3.5 A
CURRENT LIMIT