SLVU346A
January 2010 – February 2022
TPS51218
Trademarks
1
Description
1.1
Typical Applications
1.2
Features
2
Electrical Performance Specifications
3
Schematic
4
Test Setup
4.1
Test Equipment
4.2
Recommended Test Setup
4.2.1
Configurations
4.2.2
Input Connections
4.2.3
Output Connections
4.2.4
Other Connections
5
Test Procedure
5.1
Line/Load Regulation and Efficiency Measurement Procedure
5.2
List of Test Points
5.3
Equipment Shutdown
6
Performance Data and Typical Characteristic Curves
6.1
Efficiency
6.2
Load Regulation
6.3
Transient Response
6.4
Output Ripple
6.5
Switch Node Voltage
6.6
Turn-On Waveform
6.7
Turn-Off Waveform
6.8
Output 1.1-V Prebias Turn-On
7
EVM Assembly Drawing and PCB Layout
8
Bill of Materials
9
Revision History
4.2.1
Configurations
EN J4 setting
No jumper enables the controller.
A jumper shorted on J4 disables the controller (default setting).
PWM J3 setting
A jumper on pin 2 and pin 3 of J3 set the auto-skip mode (default setting).
A jumper on pin 1 and pin 2 of J3 sets a forced CCM mode.