SLVS919C January 2009 – September 2015 TPS54060
PRODUCTION DATA.
- 1 Features
- 2 Applications
- 3 Description
- 4 Revision History
- 5 Pin Configuration and Functions
-
6 Specifications
- 6.1 Absolute Maximum Ratings
- 6.2 ESD Ratings
- 6.3 Recommended Operating Conditions
- 6.4 Thermal Information
- 6.5 Electrical Characteristics
- 6.6 Timing Resistor and External Clock (RT/CLK Pin) Timing Requirements
- 6.7 Timing Resistor and External Clock (RT/CLK PIN) Switching Characteristics
- 6.8 Typical Characteristics
-
7 Detailed Description
- 7.1 Overview
- 7.2 Functional Block Diagram
- 7.3
Feature Description
- 7.3.1 Fixed Frequency PWM Control
- 7.3.2 Slope Compensation Output Current
- 7.3.3 Pulse Skip Eco-mode
- 7.3.4 Low Dropout Operation and Bootstrap Voltage (BOOT)
- 7.3.5 Error Amplifier
- 7.3.6 Voltage Reference
- 7.3.7 Slow Start/Tracking Pin (SS/TR)
- 7.3.8 Overload Recovery Circuit
- 7.3.9 Constant Switching Frequency and Timing Resistor (RT/CLK Pin)
- 7.3.10 Overcurrent Protection and Frequency Shift
- 7.3.11 Power Good (PWRGD Pin)
- 7.3.12 Overvoltage Transient Protection
- 7.3.13 Thermal Shutdown
- 7.3.14 Small Signal Model for Loop Response
- 7.3.15 Simple Small Signal Model for Peak Current Mode Control
- 7.3.16 Small Signal Model for Frequency Compensation
- 7.4 Device Functional Modes
-
8 Application and Implementation
- 8.1 Application Information
- 8.2
Typical Applications
- 8.2.1
Buck Converter for 3.3-V Output
- 8.2.1.1 Design Requirements
- 8.2.1.2
Detailed Design Procedure
- 8.2.1.2.1 Selecting the Switching Frequency
- 8.2.1.2.2 Output Inductor Selection (LO)
- 8.2.1.2.3 Output Capacitor
- 8.2.1.2.4 Catch Diode
- 8.2.1.2.5 Input Capacitor
- 8.2.1.2.6 Slow Start Capacitor
- 8.2.1.2.7 Bootstrap Capacitor Selection
- 8.2.1.2.8 Undervoltage Lockout (UVLO) Set Point
- 8.2.1.2.9 Output Voltage and Feedback Resistors Selection
- 8.2.1.2.10 Compensation
- 8.2.1.2.11 Discontinuous Mode and Eco Mode Boundary
- 8.2.1.2.12 Power Dissipation Estimate
- 8.2.1.3 Application Curves
- 8.2.2 Inverting Power Supply
- 8.2.3 Split Rail Power Supply
- 8.2.1
Buck Converter for 3.3-V Output
- 9 Power Supply Recommendations
- 10Layout
- 11Device and Documentation Support
- 12Mechanical, Packaging, and Orderable Information
11 Device and Documentation Support
11.1 Device Support
11.1.1 Third-Party Products Disclaimer
TI'S PUBLICATION OF INFORMATION REGARDING THIRD-PARTY PRODUCTS OR SERVICES DOES NOT CONSTITUTE AN ENDORSEMENT REGARDING THE SUITABILITY OF SUCH PRODUCTS OR SERVICES OR A WARRANTY, REPRESENTATION OR ENDORSEMENT OF SUCH PRODUCTS OR SERVICES, EITHER ALONE OR IN COMBINATION WITH ANY TI PRODUCT OR SERVICE.
11.1.2 Development Support
For the TPS54060 and TPS54060A family Excel design tool, see SLVC432.
11.2 Documentation Support
11.2.1 Related Documentation
For related documentation, see the following:
- TPS54060EVM-457 0.5-A, SWIFT(TM) Regulator EVM, SLVU299
- Create an Inverting Power Supply From a Step-Down Regulator, SLVA317
- Level Shifting Control for an Inverting Buck-boost , SLVA540
- Creating a Split-Rail Power Supply With a Wide Input Voltage Buck Regulator, SLVA369
- TPS54060EVM-590 100mA, Split Rail SWIFT™ Regulator Evaluation Module, SLVU374
- Improved Load Current Capability for Cap-Drop Off-Line Power Supply for E-Meter, SLVA491
11.3 Trademarks
Eco-Mode, PowerPAD, WEBENCH, SwitcherPro are trademarks of Texas Instruments.
Excel is a registered trademark of Microsoft Corporation.
All other trademarks are the property of their respective owners.
11.4 Electrostatic Discharge Caution
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.
11.5 Glossary
SLYZ022 — TI Glossary.
This glossary lists and explains terms, acronyms, and definitions.