SLUUCK4 November   2021 TPS562212

 

  1. 1Introduction
  2. 2Performance Specification Summary
  3. 3Modifications
    1. 3.1 MODE Pin Configuration
    2. 3.2 Output Voltage Setpoint
  4. 4Test Setup
    1. 4.1 Input/Output Connections
    2. 4.2 Start-Up Procedure
  5. 5Board Layout
    1. 5.1 Layout
    2. 5.2 EVM Picture
  6. 6Schematic, List of Materials, and Reference
    1. 6.1 Schematic
    2. 6.2 List of Materials
  7. 7Reference

3.1 MODE Pin Configuration

The TPS562212 has a MODE pin that can offer two different states of operation under light load conditions, and offer two options for the function of Pin 1.

Table 3-1 MODE Pin Settings
MODE RESISTOR RANGE RECOMMENDED MODE RESISTOR VALUE OPERATION MODE in LIGHT LOAD FUNCTION of PG/SS PIN
[0, 12] kΩ 0 Eco-mode Power Good(1)
[30, 50] kΩ 47 kΩ Eco-mode Soft Start
[83, 120] kΩ 100 kΩ FCCM Soft Start
[180, ∞] kΩ Float FCCM Power Good
(1) Connect pin 1 to GND to get a better thermal performance if the PG was not used when PG function was selected.
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