SLVSDZ7A September   2017  – December 2017 TPS62097-Q1

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      1.8-V Output, Typical Application
      2.      1.8-V Output, Efficiency, MODE = Open
  4. 4 Revision History
  5. 5 Terminal Configuration and Functions
    1.     Pin Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommend Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 100% Duty Cycle Mode
      2. 7.3.2 Switch Current Limit and Hiccup Short Circuit Protection
      3. 7.3.3 Under Voltage Lockout (UVLO)
      4. 7.3.4 Thermal Shutdown
    4. 7.4 Device Function Modes
      1. 7.4.1 Enable and Disable (EN)
      2. 7.4.2 Power Save Mode and Forced PWM Mode (MODE)
      3. 7.4.3 Soft Startup (SS/TR)
      4. 7.4.4 Voltage Tracking (SS/TR)
      5. 7.4.5 Power Good (PG)
  8. 8 Application Information
    1. 8.1 Application Information
    2. 8.2 1.8-V Output Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Setting the Output Voltage
        2. 8.2.2.2 Output Filter Design
        3. 8.2.2.3 Inductor Selection
        4. 8.2.2.4 Capacitor Selection
      3. 8.2.3 Application Performance Curves
  9. 9 Power Supply Recommendations
  10. 10PCB Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Thermal Information
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
    2. 11.2 Community Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

7.4.1 Enable and Disable (EN)

The device is enabled by setting the EN pin to a logic High. Accordingly, shutdown mode is forced if the EN pin is pulled Low with a shutdown current of typically 0.7 μA.

In shutdown mode, the internal power switches as well as the entire control circuitry are turned off. An internal resistor of 165 Ω discharges the output via the VOS pin smoothly. The output discharge function also works when thermal shutdown, undervoltage lockout or HICCUP short circuit protection are triggered.

An internal pull-down resistor of 375 kΩ is connected to the EN pin when the EN pin is Low. The pull-down resistor is disconnected when the EN pin is High.