SLVS427D JUNE   2002  – May 2015 TPS61120 , TPS61121 , TPS61122

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device 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 LDO
      4. 9.3.4 Device Enable
        1. 9.3.4.1 Undervoltage Lockout
        2. 9.3.4.2 Softstart
      5. 9.3.5 LDO Enable
      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
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Applications
      1. 10.2.1 Solution for Maximum Output Power
        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. 10.2.1.2.1.2 LDO
          2. 10.2.1.2.2 Programming the LBI/LBO Threshold Voltage
          3. 10.2.1.2.3 Inductor Selection
          4. 10.2.1.2.4 Capacitor Selection
            1. 10.2.1.2.4.1 Input Capacitor
            2. 10.2.1.2.4.2 Output Capacitor DC-DC Converter
              1. 10.2.1.2.4.2.1 Small Signal Stability
            3. 10.2.1.2.4.3 Output Capacitor LDO
        3. 10.2.1.3 Application Curves
      2. 10.2.2 Low Profile Solution, Maximum Height 1.8 mm
      3. 10.2.3 Dual Power Supply With Auxiliary Positive Output Voltage
      4. 10.2.4 Dual Power Supply With Auxiliary Negative Output Voltage
      5. 10.2.5 Single Output Using LDO as Filter
      6. 10.2.6 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 Considerations
  13. 13Device and Documentation Support
    1. 13.1 Device Support
      1. 13.1.1 Third-Party Products Disclaimer
    2. 13.2 Community Resources
    3. 13.3 Trademarks
    4. 13.4 Electrostatic Discharge Caution
    5. 13.5 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)
  • PW|16
散热焊盘机械数据 (封装 | 引脚)
订购信息

5 Device Options

Table 1. Available Output Voltage Options(1)

PART NUMBER(2) OUTPUT VOLTAGE DC-DC OUTPUT VOLTAGE LDO
TPS61120PW Adjustable Adjustable
TPS61121PW 3.3 V 1.5 V
TPS61122PW 3.6 V 3.3 V
TPS61120RSA Adjustable Adjustable
TPS61121RSA 3.3 V 1.5 V
(1) Contact the factory to check availability of other fixed output voltage versions.
(2) The packages are available taped and reeled. Add R suffix to device type (for example TPS61120PWR or TPS61120RSAR) to order quantities of 2000 devices per reel for the TSSOP (PW) package and 3000 devices per reel for the QFN (RSA) package.
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