SLVU179B October   2006  – February 2022 TPS51117

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Description
    2. 1.2 Features
    3. 1.3 Operating Specification
    4. 1.4 Schematic
  3. 2Test Setup
    1. 2.1 Test Equipment
    2. 2.2 Test Points
    3. 2.3 Recommended Test Setup
    4. 2.4 Standard Test Procedures
      1. 2.4.1 Line/Load Regulation
      2. 2.4.2 Output Ripple Measurement
  4. 3Performance Data and Typical Characteristic Curves
  5. 4Board Layout Using TPS51117RGY (QFN 14)
  6. 5List of Materials
  7. 6Revision History

1.3 Operating Specification

PARAMETERTEST CONDITIONSMINTYPMAXUNITS
Input Characteristics
Voltage range (V5IN)VIN4.55.5V
Voltage range (VBAT)VIN621
Output Characteristics
Output voltageConfiguration of EVM1.05V
Output voltage regulationLine regulation0.1%
Load regulation0.3%
Output voltage rippleV5IN = 5 V, VBAT = 12 V35mVpp
Output current10A
Current limit15
Systems Characteristics
Switching frequency350400kHz
Peak efficiencyV5IN = 5 V, VBAT = 12 V, 1.05 V/1 A89.4%
Full load efficiencyV5IN = 5 V, VBAT = 12 V, 1.05 V/10 A82.3%
Operating temperature25°C