SLUUAQ0C October   2013  – November 2021 TPS53513

 

  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
      1. 5.2.1 Input Connections
      2. 5.2.2 Output Connections
  7. 6 Configurations
    1. 6.1 Switching Frequency Selection
    2. 6.2 Mode Selection
    3. 6.3 VDD Pin Supply 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 EVM Assembly Drawing and PCB Layout
  10. 9 List of Materials
  11. 10Revision History

6.3 VDD Pin Supply Selection

The controller can be enabled and disabled by J7.

Default setting: VDD pin connected to VIN pins through R19

Table 6-3 The Controller Can Be Enabled and Disabled by J7(1)
SET ON CONNECTIONENABLE SELECTION
R19 = 0 ΩVDD pin connected to VIN pins
R19 = OpenVDD pin disconnected to VIN pins
(1) J7 requires the proper input voltage for power up. The VDD pin input voltage range is from 4.5 V to 25 V.
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