SLUUAS1C October   2013  – November 2021 TPS53515

 

  1. Introduction
  2. Description
    1. 2.1 Typical Applications
    2. 2.2 Features
  3. Electrical Performance Specifications
  4. Schematic
  5. Test Setup
    1. 5.1 Test Equipment
    2. 5.2 Recommended Test Setup
  6. Configurations
    1. 6.1 Switching Frequency Selection
    2. 6.2 Mode Selection
    3. 6.3 VDD Pin Supply Selection
  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. EVM Assembly Drawing and PCB Layout
  9. Bill of Materials
  10. 10Revision History

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
Jumpers set to default locations, See Section 6.