SLVSBC1D October   2013  – October 2016 TLV62565 , TLV62566

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Simplified 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 Diagrams
    3. 9.3 Feature Description
      1. 9.3.1 Power Save Mode
      2. 9.3.2 Enabling/Disabling the Device
      3. 9.3.3 Soft Start
      4. 9.3.4 Switch Current Limit
      5. 9.3.5 Power Good
    4. 9.4 Device Functional Modes
      1. 9.4.1 Under Voltage Lockout
      2. 9.4.2 Thermal Shutdown
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
        1. 10.2.1.1 Output Filter Design
        2. 10.2.1.2 Inductor Selection
        3. 10.2.1.3 Input and Output Capacitor Selection
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Setting the Output Voltage
        2. 10.2.2.2 Loop Stability
      3. 10.2.3 Application Performance Curves
  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 Documentation Support
      1. 13.2.1 Related Documentation
    3. 13.3 Related Links
    4. 13.4 Receiving Notification of Documentation Updates
    5. 13.5 Community Resources
    6. 13.6 Trademarks
    7. 13.7 Electrostatic Discharge Caution
    8. 13.8 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

Package Options

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

1 Features

  • 2.7-V to 5.5-V Input Voltage Range
  • 1.5-MHz Typical Switching Frequency
  • Output Current up to 1.5 A (Max)
  • Adaptive On-Time Current Control
  • Power Save Mode for Light Load Efficiency
  • 50-µA Operating Quiescent Current
  • Up to 95% Efficiency
  • Over Current Protection
  • 95% Maximum Duty Cycle
  • Excellent AC and Transient Load Response
  • Power Good Output, TLV62566
  • Internal Soft Startup of 250 µs (Typ)
  • Adjustable Output Voltage
  • Thermal Shutdown Protection
  • Available in SOT-23 5-Pin Package

2 Applications

  • Portable Devices
  • DSL Modems
  • Hard Disk Drivers
  • Set Top Box
  • Tablet

3 Description

The TLV62565/6 devices are synchronous step-down converters optimized for small solution size and high efficiency. The devices integrate switches capable of delivering an output current up to 1.5 A.

The devices are based on an adaptive on time with valley current mode control scheme. Typical operating frequency is 1.5 MHz at medium to heavy loads. The devices are optimized to achieve very low output voltage ripple even with small external components and feature an excellent load transient response.

During light load, the TLV62565/6 automatically enter into Power Save Mode at the lowest quiescent current (50 μA typ) to maintain high efficiency over the entire load current range. In shutdown, the current consumption is reduced to less than 1 μA.

The TLV62565/6 provide an adjustable output voltage via an external resistor divider. The output voltage start-up ramp is controlled by an internal soft start, typically 250 µs. Power sequencing is possible by configuring the Enable (TLV62565) and Power Good (TLV62566) pins. Other features like over current protection and over temperature protection are built-in. The TLV62565/6 devices are available in a SOT-23 5-pin package.

Device Information(1)

PART NUMBER PACKAGE BODY SIZE (NOM)
TLV62565
TLV62566		 SOT-23 (5) 2.90 mm × 2.80 mm
  1. For all available packages, see the orderable addendum at the end of the datasheet.

4 Simplified Schematic

TLV62565 TLV62566 typ_app_TLV62565_1p8V.gif

Efficiency vs Load Current

TLV62565 TLV62566 C001_eff_SLVSBC1.png