SLVSBF0D July   2012  – July 2026 TPS53015

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Drivers
      2. 6.3.2 5-Volt Regulator
      3. 6.3.3 Soft Start and Prebiased Soft-Start Time
      4. 6.3.4 Overcurrent Protection
      5. 6.3.5 Overvoltage and Undervoltage Protection
      6. 6.3.6 UVLO Protection
      7. 6.3.7 Thermal Shutdown
      8. 6.3.8 Power Good
    4. 6.4 Device Functional Modes
      1. 6.4.1 PWM Operation
      2. 6.4.2 Auto-skip Eco-Mode Control
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Determine the Inductance Value
        2. 7.2.2.2 Output Capacitor
        3. 7.2.2.3 Input Capacitor
        4. 7.2.2.4 Bootstrap Capacitor
        5. 7.2.2.5 VREG5 Capacitor
        6. 7.2.2.6 Choose Output Voltage Resistors
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support
      1. 8.1.1 Related Documentation
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

Design Requirements

Table 7-1 TPS53015 Design Requirements
PARAMETERTEST CONDITIONSMINTYPMAXUNITS
INPUT CHARACTERISTICS
Voltage range8.01222V
Maximum input currentVIN = 12V, IOUT = 8A0.9A
No load input currentVIN = 12V, IOUT = 0A0.6mA
OUTPUT CHARACTERISTICS
Output voltage1.05V
Output voltage regulationSetpoint accuracy
(VIN = 12V, IOUT = 8A)
-2%2%
Line regulation
(VIN = 8.0V – 22V, IOUT = 8A)
1%
Load regulation
(VIN = 12V, IOUT = 0A – 8A)
1.5%
Output voltage rippleVIN = 12V, IOUT = 8A20mVpp
Output load current08.0A
Overcurrent limitVIN = 12V11
SYSTEMS CHARACTERISTICS
Switching frequency500kHz
Peak efficiencyVIN = 12V, IOUT = 3.2A86.5%
Full load efficiencyVIN = 12V, IOUT = 8.0A81.4%
Operating temperature25°C