SNVU589A December   2017  – January 2022 TPS53119

 

  1.   Trademarks
  2. 1 Introduction
  3. 2 Description
    1. 2.1 Typical Applications
    2. 2.2 Features
  4. 3 Electrical Performance Specifications
  5. 4 Schematic
  6. 5 Test Setup
    1. 5.1 Test Equipment
    2. 5.2 Recommended Test Setup
  7. 6 Configurations
    1. 6.1 Switching Frequency Selection
    2. 6.2 Soft-Start Selection
    3. 6.3 Mode Selection
    4. 6.4 Enable Selection
  8. 7 Test Procedure
    1. 7.1 Line/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
  9. 8 Performance Data and Typical Characteristic Curves
    1. 8.1 Efficiency
    2. 8.2 Load Regulation
    3. 8.3 Output Transient
    4. 8.4 Output Ripple
    5. 8.5 Switching Node
    6. 8.6 Enable Turn-On/Turn-Off
    7. 8.7 Output 1.1-V Prebias Turn-On
    8. 8.8 Bode Plot
    9. 8.9 Thermal Image
  10. 9 EVM Assembly Drawing and PCB Layout
  11. 10Bill of Materials
  12. 11Revision History

3 Electrical Performance Specifications

Table 3-1 TPS53119EVM-690 Electrical Performance Specifications
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
INPUT CHARACTERISTICS
Voltage range VIN 8 12 14 V
Maximum input current VIN = 8 V, IOUT = 25 A 4 A
No load input current VIN = 14 V, IOUT = 0 A with auto-skip mode 1 mA
OUTPUT CHARACTERISTICS
Output voltage VOUT 1.1 V
Output voltage regulation Line regulation (VIN = 8 V–14 V) 0.5%
Load regulation (VIN = 12 V, IOUT = 0 A–25 A) 0.5%
Output voltage ripple VIN = 12 V, IO = 25 A 25 mVpp
Output load current 0 25 A
Output over current 35 A
SYSTEMS CHARACTERISTICS
Switching frequency 300 kHz
Peak efficiency VIN = 12 V, 1.1 V/10 A 90.90%
Full-load efficiency VIN = 12 V, 1.1 V/25 A 88.59%
Operating temperature 25 °C

Note: Jumpers set to default locations. See Section 6.