SLVSDE4E march   2017  – june 2023 TPS61253A , TPS61253E

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Revision History
  6. 5 Device Comparison
  7. 6 Pin Configuration and Functions
  8. 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 Timing Requirements
    7. 7.7 Switching Characteristics
    8. 7.8 Typical Characteristics
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Start-up
      2. 8.3.2 Enable and Disable
      3. 8.3.3 Undervoltage Lockout (UVLO)
      4. 8.3.4 Current Limit Operation
      5. 8.3.5 Load Disconnection
      6. 8.3.6 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Auto PFM Mode
      2. 8.4.2 Forced PWM Mode
      3. 8.4.3 Ultrasonic Mode
      4. 8.4.4 Pass-Through Mode
  10. 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 Custom Design With WEBENCH® Tools
        2. 9.2.2.2 Inductor Selection
        3. 9.2.2.3 Output Capacitor
        4. 9.2.2.4 Input Capacitor
        5. 9.2.2.5 Checking Loop Stability
        6. 9.2.2.6 Application Curves
      3. 9.2.3 System Examples
  11.   Power Supply Recommendations
  12. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Thermal Considerations
  13. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
      2. 11.1.2 Development Support
        1. 11.1.2.1 Custom Design With WEBENCH® Tools
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Receiving Notification of Documentation Updates
    4. 11.4 Support Resources
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 Glossary
  14.   Mechanical, Packaging, and Orderable Information

Package Options

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

7.8 Typical Characteristics

This section is based on the test results of TPS61253A, unless otherwise noted.

GUID-20201019-CA0I-P669-6S22-PN7BH1ZLFZGX-low.gif
VOUT = 5 V L = 0.56 µH Auto PFM Mode
Figure 7-1 Efficiency vs Load
GUID-20201019-CA0I-TZ6S-Q5G1-QT2S9GNKR1KS-low.gif
VOUT = 5 V L = 0.56 µH
Figure 7-3 DC Output Voltage vs Load
GUID-20201019-CA0I-CBR9-NMNQ-6HZSHQFFTGMC-low.gif
Figure 7-5 RDS(ON) vs Temperature
GUID-20201019-CA0I-DHWD-0KGT-DGDLHMWSJK62-low.gif
Figure 7-7 Quiescent Current (from VIN) vs Input Voltage
GUID-20201019-CA0I-PSB8-FWWH-6CXDXKZ6CB5R-low.gif
Figure 7-9 Shutdown Current vs Input Voltage
GUID-20201019-CA0I-D33G-VQPP-KDZHZMQQRHHK-low.gif
Figure 7-11 Current Limit (Forced PWM) vs Input Voltage
GUID-20201019-CA0I-4RG7-WCJL-0FKXD0MG37KR-low.gif
Figure 7-13 Mode High Rising / Falling vs Temperature
GUID-20201019-CA0I-CKQW-QMXK-M8G0ZZNB052K-low.gif
Figure 7-15 Mode Floating vs Temperature
GUID-20201019-CA0I-MPNF-C7L6-WLKL9SXDJSGR-low.gif
Figure 7-17 EN Threshold vs Temperature
GUID-20201019-CA0I-FBVW-MHPB-B01XBMQZF8K0-low.gif
VOUT = 5 V L = 0.56 µH VIN = 3.6 V
Figure 7-2 Efficiency vs Load
GUID-20201019-CA0I-ZZ1K-VTW8-ZPZ8KFG0TL97-low.gif
VOUT = 5 V L = 0.56 µH Auto PFM Mode
Figure 7-4 AC Output Voltage vs Load
GUID-20201019-CA0I-BBSW-WFZQ-GXPBCPZJ28SC-low.gif
Figure 7-6 VOUT vs Temperature
GUID-20201019-CA0I-CKVS-3289-83MZXGNFDVPX-low.gif
Figure 7-8 Quiescent Current (from VOUT) vs Input Voltage
GUID-20201019-CA0I-CCFQ-TTTG-VMZ3DNXZLF2B-low.gif
Figure 7-10 Current Limit (Auto PFM) vs Input Voltage
GUID-20201019-CA0I-XTDL-WB6J-BZQJQNSJZRHM-low.gif
Figure 7-12 DC Startup Current Limit vs Input Voltage
GUID-20201019-CA0I-M03S-HZ7B-LXSPKLMQN7N9-low.gif
Figure 7-14 Mode Low Rising / Falling vs Temperature
GUID-20201019-CA0I-BLMQ-CB85-J19SPSLW9MR5-low.gif
Figure 7-16 VIN UVLO vs Temperature