SLVSBB2F
May 2012 – August 2024
TPS65131-Q1
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Device Comparison
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
Switching Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Power Conversion
7.3.2
Control
7.3.3
Output Rails Enable or Disable
7.3.4
Load Disconnect
7.3.5
Soft Start
7.3.6
Overvoltage Protection
7.3.7
Undervoltage Lockout
7.3.8
Overtemperature Shutdown
7.4
Device Functional Modes
7.4.1
Power-Save Mode
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
TPS65131-Q1 With VPOS = 10.5V, VNEG = –10V
8.2.2
Design Requirements
8.2.3
Detailed Design Procedure
8.2.3.1
Programming the Output Voltage
8.2.3.1.1
Boost Converter
8.2.3.1.2
Inverting Converter
8.2.3.1.3
Inductor Selection
8.2.3.2
Capacitor Selection
8.2.3.2.1
Input Capacitor
8.2.3.2.2
Output Capacitors
8.2.3.3
Rectifier Diode Selection
8.2.3.4
External P-MOSFET Selection
8.2.3.5
Stabilizing the Control Loop
8.2.3.5.1
Feedforward Capacitors
8.2.3.5.2
Compensation Capacitors
8.2.4
Analog Supply Input Filter
8.2.4.1
RC-Filter
8.2.4.2
LC-Filter
8.2.5
Thermal Information
8.2.6
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Receiving Notification of Documentation Updates
9.2
Support Resources
9.3
Trademarks
9.4
Electrostatic Discharge Caution
9.5
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
11.1
Mechanical Data
11.2
Tape and Reel 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)
RGE|24
MPQF124G
サーマルパッド・メカニカル・データ
RGE|24
QFND008AA
発注情報
slvsbb2f_oa
slvsbb2f_pm
6.7
Typical Characteristics
At 25°C, unless otherwise noted.
Figure 6-1
Boost Converter (V
POS
) Maximum Output Current vs Input Voltage
Figure 6-3
Shutdown Current (Into VIN and INN) Over Input Voltage
Figure 6-2
Inverting Converter (V
POS
) Output Current vs Input Voltage
V
I
= 3.6V
Figure 6-4
Quiescent Current (Into VIN and INN) Over Input Voltage