SLVA958B June   2021  – May 2022 LM2776 , LM27761 , LM27762 , LM3670 , LM3671 , LM3674 , LM7705 , TLV62065 , TLV62080 , TLV62084 , TLV62084A , TLV62085 , TLV62090 , TLV62095 , TLV62130 , TLV62130A , TLV62150 , TLV62565 , TLV62568 , TLV62569 , TLV62585 , TPS60400 , TPS60403 , TPS62065 , TPS62080 , TPS62085 , TPS62088 , TPS62090 , TPS62095 , TPS62097 , TPS62110 , TPS62120 , TPS62122 , TPS62125 , TPS62130 , TPS62130A , TPS62130A-Q1 , TPS62133 , TPS62135 , TPS62136 , TPS62140 , TPS62142 , TPS62143 , TPS62150 , TPS62160 , TPS62160-Q1 , TPS62162 , TPS62170 , TPS62170-Q1 , TPS62172 , TPS62173 , TPS62175 , TPS62177 , TPS62180 , TPS62200 , TPS62203 , TPS62230 , TPS62240 , TPS62260 , TPS62290 , TPS62400 , TPS62420 , TPS62480 , TPS62560 , TPS62730 , TPS62740 , TPS62742 , TPS62743 , TPS62745 , TPS62746 , TPS62748 , TPS62770 , TPS62800 , TPS62801 , TPS62802 , TPS62806 , TPS62807 , TPS62808 , TPS62821 , TPS62840 , TPS63700 , TPS63710 , TPS82084 , TPS82085 , TPS82130 , TPS82140 , TPS82150 , TPS82740A , TPS82740B , TPSM82480 , TPSM82810 , TPSM82813 , TPSM82821 , TPSM82822


  1. Abstract
    1.     Trademarks
  2. Introduction
  3. Summary Table
  4. Fundamentals of Switchmode DC/DC Converters
  5. Control – Mode Architecture
  6. Design, Layout, and Manufacturing Support
  7. Thermal Considerations
  8. Low Noise and Controlling EMI
  9. Device-Specific Technical Discussions
  10. Calculation, Simulation, and Measurement Techniques
  11. 10DC/DC Converter Applications
  12. 11Revision History

Summary Table

Fundamentals of Switchmode DC/DC Converters
Understanding Buck Power Stages in Switchmode Power Supplies SLVA057
Switching Regulator Fundamentals SNVA559
Basic Calculation of a Buck Converter's Power Stage SLVA477
Bang for your Buck – An Introduction to Buck Converter vs. Buck Power Module Comparison SNVA988
Control-Mode Architecture
Choosing the Right Variable-Frequency Buck-Regulator Control Strategy SLUP319
Choosing the Right Fixed-Frequency Buck-Regulator Control Strategy SLUP317
Internally Compensated Advanced Current Mode (ACM) Overview SLYY118
High-efficiency, low-ripple DCS-Control™ offers seamless PWM/pwr-save transitions SLYT531
Understanding frequency variation in the DCS-Control™ topology SLYT646
Control-Mode Quick Reference Guide SLYT710
Design, Layout and Manufacturing Support
MSL Ratings and Reflow Profiles SPRABY1
Long Term Storage Evaluation of Semiconductor Devices SLPA019
Handling and Process Recommendations SNOA550
QFN/SON PCB Attachment Application Report SLUA271
Benefits and Trade-offs of Various Power-Module Package Options SLYY120
HotRod™ QFN Package PCB Attachment SLUA715
SMT Guidelines for Stacked Inductor (Inductor On Top) on Voltage Regulator IC SLVA764
Five steps to a great PCB layout for a step-down converter SLYT614
Design considerations for a resistive feedback divider in a DC/DC converter SLYT469
Optimizing Resistor Dividers at a Comparator Input SLVA450
Optimizing Transient Response of Internally Compensated DC-DC Converters with Feedforward Capacitor SLVA289
Choosing an appropriate pull-up and pull-down resistor for Open Drain Outputs SLVA485
Achieving a clean startup by using a DC/DC converter with a precise enable-pin threshold SLYT730
Extending the Soft Start Time without a Soft Start Pin SLVA307
Adjusting the soft-start time of an integrated power module SLYT669
Sequencing and Tracking with the TPS621-Family and TPS821-Family SLVA470
Understanding the Absolute Maximum Ratings of the SW Node SLVA494
Minimizing Ringing at the Switch Node of a Boost Converter SLVA255
IQ: What it is, what it isn’t, and how to use it SLYT412
Understanding Eco-Mode™ Operation SLVA388
Agency Requirements for Standby Power Consumption with Off-line and PoL Converters SLYT665
The Forgotten Converter SLPY005
Demystifying Input Supply Current in DC/DC Regulators: From Shutdown to Full Load SLYY189
How the Switching Frequency Affects the Performance of a Buck Converter SLVAED3
Methods to Solve Reverse Current-caused Damage in Synchronous Buck Converter SLUA962
Understanding Flip Chip QFN (HotRod™) and Standard QFN Performance Differences SLVAEE1
Understanding Power Module Operating Limits SLUAAC9
The Stability of a D-CAP2™ Converter with Different Kinds of Capacitors SLVAE93
Benefits Using a Buck Converter's External Vcc Bias Pin SNVAA16
Multi-Function Pins for Easy Designing SLVAF56
Stability Analysis and Design of D-CAP2 and D-CAP3 Converter – Part 1: How to Select Output Capacitor SLVAF11
Stability Analysis and Design of D-CAP2 and D-CAP3 Converter – Part 2: How to Select Feedforward Capacitor SLVAF45
Designing with small DC/DC converters: HotRod™ QFN vs. Enhanced HotRod™ QFN Packaging SLYT816
Manufacturing and Rework Design Guide for MicroSiP™ Power Modules SLIB006
Methods of output-voltage adjustment for DC/DC converters SLYT777
Understanding OOA™ Operation SLUA946
Intro to Multi-function Pins and their Applications in TI Step-down Converters SLVAF64
Layout Guidelines for Switching Power Supplies SNVA021
Reduced Size, Double-Sided Layout for High-Current DC/DC Converters SLVA963
Reducing Ringing Through PCB Layout Techniques SLPA005
Constructing Your Power Supply – Layout Considerations SLUP230
Space Optimized, “Clam Shell” Layout for Step-Down DC/DC Converters SLVA818
Breakthrough Power Delivery for Space-Constrained Applications SSZY023
Thermal Considerations
Semiconductor and IC Package Thermal Metrics SPRA953
Techniques for Thermal Analysis of Switching Power Supply Designs SNVA207
An Accurate Thermal-Evaluation Method for the TLV62065 SLVA658
Improving the thermal performance of a MicroSiP™ power module SLYT724
TPS62366x thermal and device lifetime information SLVA525
PCB Thermal Design Tips for Automotive DC/DC Converters SNVA951
PowerPAD™ Thermally Enhanced Package SLMA002
Practical Thermal Design With DC/DC Power Modules SNVA848
Achieving High Thermal Performance in Compact Buck Power Modules SLVAEI9
Thermal Performance Optimization of High Power Density Buck Converters SLUAAD6
Thermal Design by Insight, not Hindsight SNVA419
How to Evaluate Junction Temperature Properly with Thermal Metrics SLUA844
Understanding the thermal-resistance specification of DC/DC converters with integrated power MOSFETs SLYT739
Method of Graphing Safe Operating Area (SOA) Curves for DC-DC Converters SLVA766
A Guide to Board Layout for Best Thermal Resistance for Exposed Packages SNVA183
Thermal Comparison of a DC-DC Converter in SOT23 and the New SOT563 SLVAEB1
Understanding power module SOA curves to operate at high output currents and high temperatures SLUAAJ1
Low Noise / Controlling EMI
Not All Jitter is Created Equal SLUA747
Controlling the Switch-node Ringing of Synchronous Buck Converters SLYT465
Simplify Low-EMI Design with Power Modules SLYY123
Snubber Circuits: Theory, Design and Application SLUP100
Minimizing Output Ripple During Startup SLVA866
Measuring Various Types of Low-frequency Noise from DC/DC Switching Converters SLYY134
Using a 4MHz switching regulator w/o a Linear Regulator to Power a Data Converter SLYT756
Extend Battery Life with < 100 nA IQ Buck Converter Achieving < 150 µV Voltage Ripple (with PI filter design) SLVAEG1
Analysis and Design of Input Filters for DC-DC Circuits SNVA801
Calculating Output Capacitance to Meet Transient and Ripple Requirements of an Integrated POL Converter Design Based on D-CAPx™ Modulators SLVA874
Controlling Output Ripple and Achieving ESR Independence with Constant On-Time Regulators SNVA166
EMI/RFI Board Design SNLA016
Simple success with Conducted EMI from DC/DC Converters SNVA489
Layout tips for EMI Reduction in DC/DC Converters SNVA638
Output Noise Filtering for DC/DC Power Modules SNVA871
Designing High-Performance, Low-EMI Automotive Power Supplies SNVA780
Enhanced HotRod QFN Package: Achieving Low EMI Performance SNVA935
Improve High-Current DC/DC Regulator EMI Performance for Free With Optimized Power Stage Layout SNVA803
Device-Specific Technical Discussions
Optimizing the TPS62130, TPS62140, TPS62150 and TPS62160 Output Filter SLVA463
Optimizing the TPS62175 Output Filter SLVA543
Optimizing the TPS62090 Output Filter SLVA519
Feedforward Capacitor to Improve Stability and Bandwidth of TPS621 and TPS821-Family SLVA466
Optimizing TPS6206x External Component Selection SLVA441
TPS62130A Differences to TPS62130 SLVA644
TPS6208x and TLV6208x Device Comparison SLVA803
Output Voltage Selection for the TPS62400 Family of Buck Converters SLVA254
Designing an Isolated Buck (Flybuck) Converter using the LMR36520 SNVA790
Configuring LM62460 for Dual-Phase Operation SNVAA21
How to Migrate Between LM614xx and LM624xx Product Families SNVAA31
Powering Sensitive ADC Designs with the TPS62913 Low-Ripple and Low-Noise Buck Converter SLVAEW7
Achieving Better than 1% Output Voltage Accuracy with TPS546D24A SLUAA02
Enhance Stability of TPSM41625 Buck Module Designs with Minimized Ceramic Output Capacitors SLVAEZ2
Powering the AFE7920 with the TPS62913 Low-Ripple and Low-Noise Buck Converter SLVAF16
Comparison of TPS6290x vs. TPS621x0 SLVAF55
How Output Capacitor Reduction Affects Load Transient in TPS563231 with D-CAP3 Control SLUA986
Minimize On-Time-Jitter and Ripple by Optimizing Compensation SLUAA65
Demystifying and Mitigating Power Supply Ripple and Noise Implication on AFE8092 SLVAF52
Expand Buck Converter Minimum Input Voltage with External VCC Bias SLVAE69
Large Duty Cycle Operation with the TPS568230 SBVA083
How to Understand LC Table and Select LC About TPS563202 SLUAAD3
Powering the TPS546D24A Device Family from a Single 3.3-V Input Power Supply SLUAA03
How to Best Use TPS62903 for a Given Application Requirement SLVAF76
Large Duty Cycle Operation On the TPS563211 SLUAAE4
Achieving Longer Hold-Up Time Using the TPS62130 in Enterprise SSD Applications SLVAF70
TPSM8A29 Fast Load Transient with DCAP-3 SLVAFB5
Reducing Output Ripple and Noise with the TPS84259 Module SLYT740
Calculation, Simulation and Measurement Techniques
Calculating Efficiency SLVA390
MOSFET Power Losses and How They Affect Power-Supply Efficiency SLYT664
Output Ripple Voltage for Buck Switching Regulator SLVA630
Accurately measuring efficiency of ultralow-IQ devices SLYT558
Performing Accurate PFM Mode Efficiency Measurements SLVA236
How to Measure the Loop Transfer Function of Power Supplies SNVA364
Simplifying Stability Checks SLVA381
How to Measure the Control Loop of DCS-Control™ Devices SLVA465
Loop Gain Reconstruction of a Step-Down Converter from Output Impedance Measurement SLUAAI0
How to Measure Impedance of a Power Distribution Network of a DC-DC Converter SLUAAI3
HS Load/Line Transient Jigs and App Rpt for Testing POL Regulators SNOA895
Measuring the Bode Plot of D-CAP™, D-CAP2™, and D-CAP3™ DC/DC Converters SLUAAF4
DC/DC Converter Applications
Step-Down LED Driver with Dimming, the TPS621-Family and TPS821-Family SLVA451
Testing tips for applying external power to supply outputs without an input voltage SLYT689
Efficient Super-Capacitor Charging with TPS62740 SLVA678
Low-Noise CMOS Camera Supply SLVA672
Step-Down Converter with Input Overvoltage Protection SLVA664
Step-Down Converter with Cable Voltage Drop Compensation SLVA657
Using the TPS62150 in a Split Rail Topology SLVA616
Using the TPS6215x in an Inverting Buck-Boost Topology SLVA469
Using the TPS62175 in an Inverting Buck Boost Topology SLVA542
Powering the MSP430 from a High Voltage Input using the TPS62122 SLVA335
Voltage Margining using the TPS62130 SLVA489
Working With Inverting Buck-Boost Converters SNVA856
DC/DC Converter Solutions for Hardware Accelerators in Data Center Applications SLVAEG2
Point-of-Load Solutions for Data Center Applications Implementing VR13.HC VCCIN Specification SLVAE92
Non-Isolated Point-of-Load Solutions for Elkhart Lake in Industrial PC Applications SLVAET0
Non-Isolated DC/DC Solutions for Alder Lake in Notebook Computing Applications SLUAAA6
Non-Isolated Point-of-Load Solutions for Tiger Lake in PC Applications SLUAA54
Point-of-Load Solutions in Data Center Applications for Intel® Xeon® Sapphire Rapids Scalable Processors SLVAF22
Point-of-Load Solutions for Network Interface Cards (NIC) SNVAA29
Synchronizing DC/DC Converters in a Power Tree SLVAEG8
Benefiting from Step-Down Converters with an I2C Communication Interface SLUAAE9
Dynamically Adjustable Output Using the TPS63000 SLVA251
Designing a Negative Boost Converter from a Standard Positive Buck Converter SLYT516
Create a Split-Rail Power Supply with a Wide Input Voltage Buck Regulator SLVA369
Designing an Isolated Buck (Fly-Buck™) Converter SNVA674
Power-Supply Sequencing for FPGAs SLYT598
Power Supply Design Considerations for Modern FPGAs (Power Designer 121) SNOA864
Remote Sensing for Power Supplies SLYT467
Effect of Resistor Tolerances on Power Supply Accuracy SLVA423