SLVS431C june   2002  – September 2015 TPS61131

PRODUCTION DATA.  

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

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

6 Pin Configuration and Functions

PW Package
16-Pin TSSOP
Top View
TPS61130 TPS61131 TPS61132 po_01_slvs431.gif
RSA Package
16-Pin VQFN With Thermal Pad
Top View
TPS61130 TPS61131 TPS61132 po_02_slvs431.gif

Pin Functions

PIN I/O DESCRIPTION
NAME NO.
TSSOP VQFN
EN 7 5 I DC-DC-enable input. (1/VBAT enabled, 0/GND disabled)
FB 15 13 I DC-DC voltage feedback of adjustable versions
GND 12 10 — Control/logic ground
LBI 5 3 I Low battery comparator input (comparator enabled with EN)
LBO 13 11 O Low battery comparator output (open drain)
LDOEN 8 6 I LDO-enable input (1/LDOIN enabled, 0/GND disabled)
LDOOUT 10 8 O LDO output
LDOIN 9 7 I LDO input
LDOSENSE 11 9 I LDO feedback for voltage adjustment, must be connected to LDOOUT at fixed output voltage versions.
PGND 3 1 — Power ground
PGOOD 14 12 O DC-DC output power good (1:good, 0:failure) (open drain)
SKIPEN 6 4 I Enable/disable power save mode (1/VBAT enabled, 0/GND disabled)
SWN 2 16 I DC-DC switch input
SWP 1 15 I DC-DC rectifying switch input
VBAT 4 2 I Supply pin
VOUT 16 14 O DC-DC output
Thermal Pad — Must be soldered to achieve appropriate power dissipation. Should be connected to PGND.