SLUU359A April   2009  – February 2022 TPS51113

 

  1.   Trademarks
  2. 1 Introduction
  3. 2 Description
  4. 3 Typical Applications
  5. 4 Features
  6. 5 Electrical Performance Specifications
  7. 6 Schematic
  8. 7 Test Setup
    1. 7.1 Test Equipment
      1. 7.1.1 Voltage Source
      2. 7.1.2 Multimeters
      3. 7.1.3 Output Load
      4. 7.1.4 Oscilloscope
      5. 7.1.5 Fan
      6. 7.1.6 Recommended Wire Gauge
    2. 7.2 Recommended Test Setup
      1. 7.2.1 Input Connections
      2. 7.2.2 Output Connections
      3. 7.2.3 Other Connections
  9. 8 Test Procedure
    1. 8.1 Line/Load Regulation and Efficiency Measurement Procedure
    2. 8.2 Control Loop Gain and Phase Measurement Procedure
    3. 8.3 Test Points
    4. 8.4 Equipment Shutown Procedure
  10. 9 Performance Data and Typical Characteristic Curves
  11. 10EVM Assembly Drawing and PCB Layout
  12. 11List of Materials
  13. 12References
  14. 13Revision History

5 Electrical Performance Specifications

Table 5-1 gives the EVM performance specifications.

Table 5-1 Performance Specification Summary
SPECIFICATION TEST CONDITIONS MIN TYP MAX UNITS
INPUT CHARACTERISTICS
VIN Input voltage range 8 12 14 V
IIN(max) Maximum input current VIN = 8 V, IO = 25 A 4.3 A
IIN No load input current VIN = 14 V, IO = 0 A 100 mA
OUTPUT CHARACTERISTICS
VOUT Output voltage 1.2 V
VREG Output voltage regulation Line regulation 0.1%
Load regulation 0.3%
VRIPPLE Output voltage ripple VIN = 12 V, IO = 25 A 40 mVpp
Ouptut load current 0 25 A
Output overcurrent threshold 33 A
SYSTEMS CHARACTERISTICS
fSW Switching frequency 300 kHz
η Peak efficiency VIN = 12 V, VOUT = 1.2 V, IO = 18 A 89.19%
η Full load efficiency VIN = 12 V, VOUT = 1.2 V, IO = 25 A 88.57%
TA Operating ambient temperature 25 °C