SLVAF11
June 2021
TPS51397A
,
TPS566231
,
TPS566235
,
TPS566238
,
TPS568230
Trademarks
1
Introduction
2
Open Loop Frequency Response of D-CAP2 and D-CAP3 Converter
3
Method to Choose LC Value for Loop Stability
3.1
Limits of Output Capacitance
3.2
Phase Margin Estimation Method
4
Example of LC Design Method for D-CAP3 Converter
5
Simulation and Experimental Verification
6
Summary
7
References
8
Appendix A
7
References
M. Lin, T. Zaitsu, T. Sato, and T. Nabeshima,
Frequency Domain Analysis of Fixed On-Time with Bottom Detection Control for Buck Converter
, IEEE IECON2010, pp.475-479
Texas Instruments,
D-CAP2
TM
Frequency Response Model based on frequency domain analysis of Fixed On-Time with Bottom Detection having Ripple Injection
application report.
Texas Instruments,
Loop Stability Analysis of Voltage Mode Buck Regulator with Different Output Capacitor Types – Continuous and Discontinuous Modes
application report.
Robert Sheehan,
Understanding and Applying Current-Mode Control Theory
, Power Electronics Technology Exhibition and Conference, Nov. 2007
Texas Instruments,
Adaptive Constant On-Time (D-CAP
TM
) Control Study in Notebook Applications
application report.
Texas Instruments,
D-CAP Mode with all-Ceramic Output Capacitor Application
application report.
Gene F. Franklin, J. David Powell, Abbas Emami-Naeini,
Feedback Control of Dynamic Systems
.