SLVS431C
june 2002 – September 2015
TPS61130
,
TPS61131
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Revision History
5
Available Output Voltage Options
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Controller Circuit
9.3.2
Synchronous Rectifier
9.3.3
Device Enable
9.3.4
Undervoltage Lockout
9.3.5
Soft-Start
9.3.6
Power Good
9.3.7
Low Battery Detector Circuit—LBI/LBO
9.3.8
Low-EMI Switch
9.4
Device Functional Modes
9.4.1
Power Save Mode
9.4.2
LDO
9.4.3
LDO Enable
10
Application and Implementation
10.1
Application Information
10.2
Typical Applications
10.2.1
Typical Application Circuit for Adjustable Output Voltage Option
10.2.1.1
Design Requirements
10.2.1.2
Detailed Design Procedure
10.2.1.2.1
Programming the Output Voltage
10.2.1.2.1.1
DC-DC Converter
10.2.1.2.2
LDO
10.2.1.2.3
Programming the LBI/LBO Threshold Voltage
10.2.1.2.4
Inductor Selection
10.2.1.2.5
Capacitor Selection
10.2.1.2.5.1
Input Capacitor
10.2.1.2.5.2
Flying Capacitor DC-DC Converter
10.2.1.2.5.3
Output Capacitor DC-DC Converter
10.2.1.2.5.4
Small Signal Stability
10.2.1.2.5.5
Output Capacitor LDO
10.2.1.3
Application Curves
10.2.2
Solution for Maximum Output Power
10.2.3
Low Profile Solution, Maximum Height 1.8 mm
10.2.4
Single Output Using LDO as Filter
10.2.5
Dual Input Power Supply Solution
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
12.3
Thermal Consideration
13
Device and Documentation Support
13.1
Device Support
13.1.1
Third-Party Products Disclaimer
13.2
Related Links
13.3
Community Resource
13.4
Trademarks
13.5
Electrostatic Discharge Caution
13.6
Glossary
14
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
PW|16
MPDS361A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvs431c_oa
slvs431c_pm
8 Parameter Measurement Information