SLVUAW5A October   2016  – June 2021 TPS568215

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Before You Begin
    2. 1.2 Background
    3. 1.3 Performance Specification Summary
    4. 1.4 Modifications
      1. 1.4.1 Output Voltage Setpoint
      2. 1.4.2 Adjustable UVLO
  3. 2Test Setup and Results
    1. 2.1  Input/Output Connections
    2. 2.2  Efficiency
    3. 2.3  Output Voltage Load Regulation
    4. 2.4  Output Voltage Line Regulation
    5. 2.5  Load Transients
    6. 2.6  Loop Characteristics
    7. 2.7  Output Voltage Ripple
    8. 2.8  Input Voltage Ripple
    9. 2.9  Powering Up
    10. 2.10 Powering Down
    11. 2.11 Thermal Image
  4. 3Board Layout
    1. 3.1 Layout
  5. 4Schematic and Bill of Materials
    1. 4.1 Schematic
    2. 4.2 Bill of Materials
  6. 5Revision History

1.3 Performance Specification Summary

A summary of the TPS568215EVM-762 performance specifications is provided in Table 1-2. Specifications are given for an input voltage of VIN = 12 V and an output voltage of 1.2 V, unless otherwise specified. The TPS568215EVM-762 is designed and tested for VIN = 4.5 V to 17 V. The ambient temperature is 25°C for all measurements, unless otherwise noted.

Table 1-2 TPS568215EVM-762 Performance Specification Summary
SpecificationTest ConditionsMINTYPMAXUnit
VIN voltage range4.51217V
VIN start voltageInternal UVLOV
VIN stop voltageInternal UVLOV
Output voltage setpoint1.2V
Output current rangeVIN = 4.5 V to 14 V08A
Line regulationIO = 4 A, VIN = 4.5 V to 17 V–0.02%,
+0.08%
Load regulationVIN = 12 V, IO = 0 A to 8 A–0.02%,
+0.15%
Load transient responseIO = 2 A to 6 AVoltage change–25mV
Recovery time50µs
IO = 6 A to 2 AVoltage change25mV
Recovery time50µs
Loop bandwidthVIN = 12 V, IO = 4 A170kHz
Phase marginVIN = 12 V , IO = 4 A70degree
Input ripple voltageIO = 8 A80mVPP
Output ripple voltageIO = 8 A10mVPP
Output rise time6ms
Operating frequency1.2MHz
Maximum efficiencyTPS568215EVM-762, VIN = 5 V, IO = 2.4 A90.47%