SLUUAS1C October   2013  – November 2021

 

  1. 1 Introduction
  2. 2 Description
    1. 2.1 Typical Applications
    2. 2.2 Features
  3. 3 Electrical Performance Specifications
  4. 4 Schematic
  5. 5 Test Setup
    1. 5.1 Test Equipment
    2. 5.2 Recommended Test Setup
  6. 6 Configurations
    1. 6.1 Switching Frequency Selection
    2. 6.2 Mode Selection
    3. 6.3 VDD Pin Supply Selection
  7. 7 Test Procedure
    1. 7.1 Line and Load Regulation and Efficiency Measurement Procedure
    2. 7.2 Control-Loop Gain and Phase-Measurement Procedure
    3. 7.3 List of Test Points
    4. 7.4 Equipment Shutdown
  8. 8 EVM Assembly Drawing and PCB Layout
  9. 9 Bill of Materials
  10. 10Revision History

3 Electrical Performance Specifications

Table 3-1 TPS53515EVM-PWR587 Electrical Performance Specifications(1)
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
Input Characteristics
Voltage range VIN 5 12 18 V
Maximum input current VIN = 5 V, IO = 8 A 2.5 A
No load input current VIN = 12 V, IO = 0 A with auto-skip mode 1 mA
Output Characteristics
Output voltage VOUT 1.2 V
Output voltage regulation Line regulation (VIN = 5 V – 14 V) with FCCM 0.2 %
Load regulation (VIN = 12 V, IO = 0 A – 8 A) with FCCM 0.5
Output voltage ripple VIN = 12 V, IO = 8 A with FCCM 10 mVpp
Output load current 0 12 A
Output over current 15 A
Soft-start 1 ms
Systems Characteristics
Switching frequency VIN = 12 V, 1.2 V / 4 A 1000 kHz
Peak efficiency VIN = 12 V, 1.2 V / 8 A 88.5 %
Full load efficiency 86.9 %
Operating temperature 25 °C
(1) Jumpers set to default locations, See Section 6.