SLVS789D November   2007  – December 2014 TPS61170

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Typical Application Schematic
  5. 5 Revision History
  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 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Soft Start-Up
      2. 8.3.2 Overcurrent Protection
      3. 8.3.3 Undervoltage Lockout (UVLO)
      4. 8.3.4 Thermal Shutdown
      5. 8.3.5 Enable and Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Feedback Reference Program Mode Selection
      2. 8.4.2 PWM Program Mode
      3. 8.4.3 1-Wire Program Mode
    5. 8.5 Programming
      1. 8.5.1 EasyScale
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Program Output Voltage
        2. 9.2.2.2 Maximum Output Current
        3. 9.2.2.3 Switch Duty Cycle
        4. 9.2.2.4 Inductor Selection
        5. 9.2.2.5 Schottky Diode Selection
        6. 9.2.2.6 Compensation Capacitor Selection
        7. 9.2.2.7 Input and Output Capacitor Selection
      3. 9.2.3 Application Curves
    3. 9.3 System Examples
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
    3. 11.3 Thermal Considerations
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Third-Party Products Disclaimer
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 Glossary
  13. 13Mechanical, 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

QFN Package
6 Pins
Top View
po_lvs789.gif

Pin Functions

PIN I/O DESCRIPTION
NAME NO.
COMP 2 O Output of the transconductance error amplifier. Connect an external RC network to this pin to compensate the regulator.
CTRL 5 I Control pin of the boost regulator. CTRL is a multifunctional pin which can be used to enable the device and control the feedback voltage with a PWM signal or for digital communications.
FB 1 I Feedback pin for current. Connect to the center tap of a resistor divider to program the output voltage.
GND 3 O Ground
SW 4 I This is the switching node of the IC. Connect SW to the switched side of the inductor.
Thermal Pad The thermal pad should be soldered to the analog ground plane to avoid thermal issue. If possible, use thermal vias to connect to ground plane for ideal power dissipation.
VIN 6 I The input supply pin for the IC. Connect VIN to a supply voltage from 3 V to 18 V.
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