SLVS585E July   2005  – June 2015 TPS62110 , TPS62111 , TPS62112 , TPS62113

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Typical Application Schematic
  5. 5 Revision History
  6. 6 Device Comparison Table
  7. 7 Pin Configuration and Functions
  8. 8 Specifications
    1. 8.1 Absolute Maximum Ratings
    2. 8.2 ESD Ratings
    3. 8.3 Recommended Operating Conditions
    4. 8.4 Thermal Information
    5. 8.5 Electrical Characteristics
    6. 8.6 Typical Characteristics
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Enable
      2. 9.3.2 Low-Battery Detector (Standard Version)
      3. 9.3.3 Enable/Low-Battery Detector - Enhanced Version (TPS62113 Only)
      4. 9.3.4 Power Good Comparator
      5. 9.3.5 Undervoltage Lockout
      6. 9.3.6 Synchronization
      7. 9.3.7 Thermal Shutdown
    4. 9.4 Device Functional Modes
      1. 9.4.1 Soft Start
      2. 9.4.2 Constant-Frequency Mode of Operation (Sync = High)
      3. 9.4.3 Power Save Mode of Operation (Sync = Low)
      4. 9.4.4 100% Duty-Cycle, Low-Dropout Operation
      5. 9.4.5 No-Load Operation
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Applications
      1. 10.2.1 Standard Connection for Adjustable Version
        1. 10.2.1.1 Design Requirements
        2. 10.2.1.2 Detailed Design Procedure
          1. 10.2.1.2.1 External Component Selection
          2. 10.2.1.2.2 Inductor Selection
          3. 10.2.1.2.3 Output Capacitor Selection
          4. 10.2.1.2.4 Input Capacitor Selection
          5. 10.2.1.2.5 Feedforward Capacitor Selection
          6. 10.2.1.2.6 Recommended Capacitors
        3. 10.2.1.3 Application Curves
      2. 10.2.2 Standard Connection for Fixed-Voltage Version
        1. 10.2.2.1 Design Requirements
        2. 10.2.2.2 Detailed Design Procedure
        3. 10.2.2.3 Application Curves
    3. 10.3 System Examples
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  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 Resources
    4. 13.4 Trademarks
    5. 13.5 Electrostatic Discharge Caution
    6. 13.6 Glossary
  14. 14Mechanical, 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）
サーマルパッド・メカニカル・データ
発注情報

1 Features

  • High-Efficiency Synchronous Step-Down Converter With up to 95% Efficiency
  • 3.1-V to 17-V Operating Input Voltage Range
  • Adjustable Output Voltage Range: 1.2 V to 16 V
  • Fixed Output Voltage Options Available in
    3.3 V and 5 V
  • Synchronizable to External Clock: Up to 1.4 MHz
  • Up to 1.5-A Output Current
  • High Efficiency Over a Wide Load-Current
    Range Due to PFM/PWM Operation Mode
  • 100% Maximum Duty Cycle for Lowest Dropout
  • 20-µA Quiescent Current (Typical)
  • Overtemperature and Overcurrent Protected
  • Available in 16-Pin VQFN Package

2 Applications

  • Point-of-Load Regulation From 12-V Buses
  • Organizers, PDAs, and Handheld PCs
  • Handheld Scanners

3 Description

The TPS6211x devices are a family of low-noise synchronous step-down DC-DC converters that are ideally suited for systems powered from a 2- to 4-cell Li-ion battery or from a 12-V or 15-V rail.

The TPS6211x devices are synchronous pulse width modulation (PWM) converters with integrated N- and P-channel power MOSFET switches. Synchronous rectification is used to increase efficiency and to reduce external component count. To achieve highest efficiency over a wide load-current range, the converter enters a power-saving, pulse frequency modulation (PFM) mode at light load currents. Operating frequency is typically 1 MHz, allowing the use of small inductor and capacitor values. The device can be synchronized to an external clock signal in the range of 0.8 MHz to 1.4 MHz. For low-noise operation, the converter can be operated in PWM-only mode. In shutdown mode, the current consumption is reduced to less than 2 µA. The TPS6211x family of devices are available in the 16-pin (RSA) VQFN package, and operate over a free-air temperature range of –40°C to 85°C.

Device Information(1)

PART NUMBER PACKAGE BODY SIZE (NOM)
TPS62110 VQFN (16) 4.00 mm × 4.00 mm
TPS62111
TPS62112
TPS62113
  1. For all available packages, see the orderable addendum at the end of the data sheet.

4 Typical Application Schematic

TPS62110 TPS62111 TPS62112 TPS62113 schematic_fp_lvs585.gif
TPS62110 TPS62111 TPS62112 TPS62113 eff_io_lvs585.gif