SLVSCF8
July 2014
TPS54060-EP
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Simplified Schematic
5
Revision History
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
Handling Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Fixed Frequency PWM Control
8.3.2
Slope Compensation Output Current
8.3.3
Low-Dropout Operation and Bootstrap Voltage (Boot)
8.3.4
Error Amplifier
8.3.5
Voltage Reference
8.3.6
Adjusting the Output Voltage
8.3.7
Enable and Adjusting UVLO
8.3.8
Slow Start/Tracking Pin (SS/TR)
8.3.9
Overload Recovery Circuit
8.3.10
Sequencing
8.3.11
Constant Switching Frequency and Timing Resistor (RT/CLK Pin)
8.3.12
Overcurrent Protection and Frequency Shift
8.3.13
Selecting the Switching Frequency
8.3.14
How to Interface to RT/CLK Pin
8.3.15
Power Good (PWRGD Pin)
8.3.16
Overvoltage Transient Protection (OVTP)
8.3.17
Thermal Shutdown
8.3.18
Small Signal Model for Loop Response
8.3.19
Simple Small Signal Model for Peak Current Mode Control
8.3.20
Small Signal Model for Frequency Compensation
8.4
Device Functional Modes
8.4.1
Pulse Skip Eco-Mode
8.4.2
DCM and Eco-Mode Boundary
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Selecting the Switching Frequency
9.2.2.2
Output Inductor Selection (LO)
9.2.2.3
Output Capacitor
9.2.2.4
Catch Diode
9.2.2.5
Input Capacitor
9.2.2.6
Slow Start Capacitor
9.2.2.7
Bootstrap Capacitor Selection
9.2.2.8
UVLO Set Point
9.2.2.9
Output Voltage and Feedback Resistors Selection
9.2.2.10
Compensation
9.2.3
Application Curves
10
Power Supply Recommendations
10.1
Power Dissipation Estimate
10.2
Power Supply Considerations
11
Layout
11.1
Layout Guidelines
11.1.1
Estimated Circuit Area
11.2
Layout Example
12
Device and Documentation Support
12.1
Device Support
12.1.1
Third-Party Products Disclaimer
12.2
Trademarks
12.3
Electrostatic Discharge Caution
12.4
Glossary
13
Mechanical, Packaging, and Orderable Information
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
DGQ|10
MPDS043F
サーマルパッド・メカニカル・データ
DGQ|10
PPTD304B
発注情報
slvscf8_oa
slvscf8_pm
5 Revision History
DATE
REVISION
NOTES
July 2014
*
Initial release.