SLVSBF0C JULY   2012  – April 2019 TPS53015

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Simplified Application
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended 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 Drivers
      2. 7.3.2 5-Volt Regulator
      3. 7.3.3 Soft-Start and Pre-biased Soft-Start Time
      4. 7.3.4 Overcurrent Protection
      5. 7.3.5 Overvoltage and Undervoltage Protection
      6. 7.3.6 UVLO Protection
      7. 7.3.7 Thermal Shutdown
      8. 7.3.8 Power Good
    4. 7.4 Device Functional Modes
      1. 7.4.1 PWM Operation
      2. 7.4.2 Auto-skip Eco-Mode Control
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Determine the Inductance Value
        2. 8.2.2.2 Output Capacitor
        3. 8.2.2.3 Input Capacitor
        4. 8.2.2.4 Bootstrap Capacitor
        5. 8.2.2.5 VREG5 Capacitor
        6. 8.2.2.6 Choose Output Voltage Resistors
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Trademarks
    2. 11.2 Electrostatic Discharge Caution
    3. 11.3 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

8.2.1 Design Requirements

Table 2. TPS53015 Design Requirements

PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
INPUT CHARACTERISTICS
Voltage range 8.0 12 22 V
Maximum input current VIN = 12 V, IOUT = 8 A 0.9 A
No load input current VIN = 12 V, IOUT = 0 A 0.6 mA
OUTPUT CHARACTERISTICS
Output voltage 1.05 V
Output voltage regulation Setpoint accuracy
(VIN = 12 V, IOUT = 8 A)		 -2% 2%
Line regulation
(VIN = 8.0 V – 22 V, IOUT = 8 A)		 1%
Load regulation
(VIN = 12 V, IOUT = 0 A – 8 A)		 1.5%
Output voltage ripple VIN = 12 V, IOUT = 8 A 20 mVpp
Output load current 0 8.0 A
Overcurrent limit VIN = 12 V 11
SYSTEMS CHARACTERISTICS
Switching frequency 500 kHz
Peak efficiency VIN = 12 V, IOUT = 3.2 A 86.5%
Full load efficiency VIN = 12 V, IOUT = 8.0 A 81.4%
Operating temperature 25 ºC