TIDUFB3 July   2025

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6.   6
  7. 1System Description
    1. 1.1 Key System Specifications
  8. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Design Considerations
    3. 2.3 Highlighted Products
      1. 2.3.1 TPS7H5006-SEP
      2. 2.3.2 TPS7H6025-SEP
      3. 2.3.3 TPS7H1111-SEP
      4. 2.3.4 TPS7H4010-SEP
      5. 2.3.5 TPS73801-SEP
      6. 2.3.6 TPS7H3302-SEP
      7. 2.3.7 TPS7H3014-SEP
      8. 2.3.8 TPS7H2221-SEP
      9. 2.3.9 SN54SC6T14-SEP
  9. 3System Design Theory
    1. 3.1 0V8 Discrete Buck Regulator (VCCINT)
      1. 3.1.1 VCCINT Load Step
    2. 3.2 Buck Regulators (Integrated)
      1. 3.2.1 1V2
      2. 3.2.2 1V2_VCCO
      3. 3.2.3 1V2_MEM
      4. 3.2.4 2V5_DDR_VPP
      5. 3.2.5 3V3_VCCO
    3. 3.3 Linear Regulators
      1. 3.3.1 DDR Termination
      2. 3.3.2 0V92
      3. 3.3.3 1V5_GTY
      4. 3.3.4 1V5
      5. 3.3.5 5V0_SYS
    4. 3.4 Sequencing
      1. 3.4.1 TPS7H3014-SP Sequencer
      2. 3.4.2 TPS7H2221-SEP Discharge Circuit
      3. 3.4.3 VCCINT Discharge Circuit
  10. 4Hardware, Testing Requirements, and Test Results
    1. 4.1 Hardware Requirements
    2. 4.2 Test Setup
    3. 4.3 Test Results
      1. 4.3.1 Discrete Buck Regulator (VCCINT)
        1. 4.3.1.1 0V8
      2. 4.3.2 Buck Regulators (Integrated)
        1. 4.3.2.1 1V2
        2. 4.3.2.2 1V2_VCCO
        3. 4.3.2.3 1V2_MEM
        4. 4.3.2.4 2V5_DDR_VPP
        5. 4.3.2.5 3V3_VCCO
      3. 4.3.3 Linear Regulators
        1. 4.3.3.1 0V6_VTT
        2. 4.3.3.2 0V92
        3. 4.3.3.3 1V5_GTY
        4. 4.3.3.4 1V5
        5. 4.3.3.5 5V0_SYS
  11. 5Design and Documentation Support
    1. 5.1 Design Files
      1. 5.1.1 Schematics
      2. 5.1.2 BOM
      3. 5.1.3 Layout Prints
    2. 5.2 Documentation Support
    3. 5.3 Support Resources
    4. 5.4 Trademarks
  12. 6About the Author

4.3.3.2 0V92

Unless otherwise noted, VIN = 12V in Figure 4-28 to Figure 4-34.

TIDA-050088 Load Step: 0.2A to 0.395A
Figure 4-71 Load Step: 0.2A to 0.395A
TIDA-050088 Bode Plot at 10mA
Phase Margin = 72°
Figure 4-73 Bode Plot at 10mA
TIDA-050088 Load Regulation from 0A to 1A
Figure 4-75 Load Regulation from 0A to 1A
TIDA-050088 Load Step: 0.395A to 0.2A
Figure 4-72 Load Step: 0.395A to 0.2A
TIDA-050088 Bode Plot at 1A
Phase Margin = 77°
Figure 4-74 Bode Plot at 1A
TIDA-050088 Thermals at 1A
Figure 4-76 Thermals at 1A