SLVS873F June   2015  – September 2021 TPS61098 , TPS610981 , TPS610982 , TPS610985 , TPS610986 , TPS610987

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagrams
    3. 8.3 Feature Description
      1. 8.3.1 Boost Controller Operation
      2. 8.3.2 Pass-Through Operation
      3. 8.3.3 LDO / Load Switch Operation
      4. 8.3.4 Start Up and Power Down
      5. 8.3.5 Over Load Protection
      6. 8.3.6 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Operation Modes by MODE Pin
        1. 8.4.1.1 Active Mode
        2. 8.4.1.2 Low Power Mode
      2. 8.4.2 Burst Mode Operation under Light Load Condition
      3. 8.4.3 Pass-Through Mode Operation
  9. 9 Applications and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 VMAIN to Power MCU and VSUB to Power Subsystem
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Device Choice
          2. 9.2.1.2.2 Maximum Output Current
          3. 9.2.1.2.3 Inductor Selection
          4. 9.2.1.2.4 Capacitor Selection
          5. 9.2.1.2.5 Control Sequence
        3. 9.2.1.3 Application Curves
      2. 9.2.2 VMAIN to Power the System in Low Power Mode
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
        3. 9.2.2.3 Application Curves
      3. 9.2.3 VSUB to Power the System in Active Mode
        1. 9.2.3.1 Design Requirements
        2. 9.2.3.2 Detailed Design Procedure
        3. 9.2.3.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Third-Party Products Disclaimer
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Receiving Notification of Documentation Updates
    4. 12.4 Support Resources
    5. 12.5 Trademarks
    6. 12.6 Electrostatic Discharge Caution
    7. 12.7 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

7.6 Typical Characteristics

GUID-4FFDFBA2-C914-40D7-B753-1C9E02B9BDD1-low.gif
TPS61098, '1, '5, '6MODE = High
Figure 7-1 IQ into VMAIN Pin at Active Mode vs Temperature
GUID-991E67BB-F5EE-4E34-93CB-79C200F6643C-low.gif
TPS610982MODE = High
Figure 7-3 IQ into VMAIN Pin at Active Mode vs Temperature
GUID-B067421B-72A7-4521-AA17-C1B8F146BB89-low.gif
TPS61098, '7MODE = High
Figure 7-5 Rectifier On Resistance vs Temperature
GUID-E91F031E-5B6B-476C-94EB-C1800FF3E2D4-low.gif
TPS61098, '7MODE = Low
Figure 7-7 Rectifier On Resistance vs Temperature
GUID-F9252616-47EC-4A9C-8E06-3F0E3AABC76A-low.gif
TPS610981MODE = High / Low
Figure 7-9 Rectifier On Resistance vs Temperature
GUID-18798F58-089E-4B1C-BC7C-97FF67309362-low.gif
TPS610982MODE = High / Low
Figure 7-11 Rectifier On Resistance vs Temperature
GUID-FD0613D6-6B99-45BB-B873-4B52154F7BDE-low.gif
TPS610985MODE = High / Low
Figure 7-13 Rectifier on Resistance vs Temperature
GUID-ECD53D00-7FE6-4912-873B-4F6D4FF7BB16-low.gif
TPS610986MODE = High / Low
Figure 7-15 Rectifier on Resistance vs Temperature
GUID-9A46799D-42F5-482F-BFA3-57CFB6F40F1D-low.gif
TPS61098xVIN < V(MAIN)
Figure 7-17 Current Limit vs Temperature
GUID-DBF44797-986C-4A07-B859-619450D15EB8-low.gif
TPS61098, '7MODE = HighV(MAIN) = 4.3 V
Figure 7-19 Boost Efficiency vs Output Current (Active Mode)
GUID-55A2E67C-A843-413C-BE3D-85B0C9712C37-low.gif
TPS610981MODE = HighV(MAIN) = 3.3 V
Figure 7-21 Boost Efficiency vs Output Current (Active Mode)
GUID-01257CA4-B698-4BA9-83C2-30A453A8AEE5-low.gif
TPS610982MODE = HighV(MAIN) = 3.3 V
Figure 7-23 Boost Efficiency vs Output Current (Active Mode)
GUID-FD2B25C7-E51B-4C63-8C26-D528D88B623A-low.gif
TPS610985Mode = HighV(MAIN) = 3 V
Figure 7-25 Boost Efficiency vs Output Current (Active Mode)
GUID-E0587E53-C741-4895-A940-A8170C662B5B-low.gif
TPS610986MODE = HighV(MAIN) = 3.3 V
Figure 7-27 Boost Efficiency vs Output Current (Active Mode)
GUID-2F426AA0-42A3-4092-A9CB-2FED4370706F-low.gif
TPS61098, '7MODE = HighV(MAIN) = 4.3 V
Figure 7-29 Boost Load Regulation (Active Mode)
GUID-FEB88162-2B4A-47BF-826A-599A706B5921-low.gif
TPS610981MODE = HighV(MAIN) = 3.3 V
Figure 7-31 Boost Load Regulation (Active Mode)
GUID-8653F47D-12BC-45E4-AD41-384F12389D21-low.gif
TPS610982MODE = HighV(MAIN) = 3.3 V
Figure 7-33 Boost Load Regulation (Active Mode)
GUID-36A3E7E2-2BF1-4C28-9B63-E40AE9F16F13-low.gif
TPS610985MODE = HighV(MAIN) = 3 V
Figure 7-35 Boost Load Regulation (Active Mode)
GUID-B44483AB-B8BF-4D15-95A3-C0C480F125EF-low.gif
TPS610986MODE = HighV(MAIN) = 3.3 V
Figure 7-37 Boost Load Regulation (Active Mode)
GUID-610971DF-1247-44C1-931C-7831921DC1CD-low.gif
TPS610981MODE = HighVIN = 2.5 V
Figure 7-39 LDO Load Regulation
GUID-0CA9C5AF-1416-4471-8616-8458550D905A-low.gif
TPS610982MODE = HighVIN = 2.5 V
Figure 7-41 LDO Load Regulation (Active Mode)
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TPS610981MODE = LowNo Load
Figure 7-43 Input Current vs Input Voltage (Low Power Mode)
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TPS610982MODE = LowNo Load
Figure 7-45 No Load Input Current vs Input Voltage (Low Power Mode)
GUID-FAE8854E-E787-40D4-9A15-720221F4FB18-low.gif
TPS610985MODE = LowV(MAIN) = 3 V
Figure 7-47 Input Current vs Input Voltage (Low Power Mode)
GUID-A6AFEC01-1958-4EA3-98A7-66A44FEC94BA-low.gif
TPS61098. '7MODE = HighCO2 = 10 µF
VIN - VOUT = 4.3 V - 3.1 V = 1.2 V
Figure 7-49 LDO PSRR vs Frequency
GUID-2B72BA35-C878-4777-9094-16F7C22E555E-low.gif
TPS610982MODE = LowCO2 = 10 µF
VIN - VOUT = 3.3 V - 2.8 V = 0.5 V
Figure 7-51 LDO PSRR vs Frequency (Low Power Mode)
GUID-3CDF1E6F-9081-4F2F-A379-815BE0B506C1-low.gif
TPS61098, '1, '5, '6MODE = Low
Figure 7-2 IQ into VMAIN Pin at Low Power Mode vs Temperature
GUID-408A9632-27A2-45D1-8048-72E8686B5DDF-low.gif
TPS610982MODE = Low
Figure 7-4 IQ into VMAIN Pin at Low Power Mode vs Temperature
GUID-966BDC54-1BBA-4A26-A3CB-5B09DB317E4D-low.gif
TPS61098, '7MODE = High
Figure 7-6 Low Side Switch On Resistance vs Temperature
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TPS61098, '7MODE = Low
Figure 7-8 Low Side Switch On Resistance vs Temperature
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TPS610981MODE = High / Low
Figure 7-10 Low Side Switch On Resistance vs Temperature
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TPS610982MODE = High / Low
Figure 7-12 Low Side Switch On Resistance vs Temperature
GUID-D7F39D58-8F77-4F8E-8632-5752E04A404B-low.gif
TPS610985MODE = High / Low
Figure 7-14 Low Side Switch On Resistance vs Temperature
GUID-064226FD-CD1B-43D1-B4FF-C40AF822541D-low.gif
TPS610986MODE = High / Low
Figure 7-16 Low Side Switch on Resistance vs Temperature
GUID-37852B5D-58E6-417A-990B-160A143D88E0-low.gif
TPS61098, '7 MODE = Low V(MAIN) = 2.2 V
Figure 7-18 Boost Efficiency vs Output Current (Low Power Mode)
GUID-507F0A85-D65D-4CDD-9A2F-1C65F6C4130F-low.gif
TPS610981 MODE = Low V(MAIN) = 3.3 V
Figure 7-20 Boost Efficiency vs Output Current (Low Power Mode)
GUID-0BD1AE03-8862-4606-AA28-6025AABDB527-low.gif
TPS610982MODE = LowV(MAIN) = 3.3 V
Figure 7-22 Boost Efficiency vs Output Current (Low Power Mode)
GUID-E8DAC797-B13D-49CC-98F6-ED89647FF46F-low.gif
TPS610985Mode = LowV(MAIN) = 3 V
Figure 7-24 Boost Efficiency vs Output Current (Low Power Mode)
GUID-A14793FC-6476-4216-927C-D86133DC6B4C-low.gif
TPS610986Mode = LowV(MAIN) = 3.3 V
Figure 7-26 Boost Efficiency vs Output Current (Low Power Mode)
GUID-B0A2306A-3601-4117-ACC9-D3745C6A4CF8-low.gif
TPS61098, '7MODE = LowV(MAIN) = 2.2 V
Figure 7-28 Boost Load Regulation (Low Power Mode)
GUID-E39966E0-FB3C-4EF0-A40A-294A037BBA69-low.gif
TPS610981MODE = LowV(MAIN) = 3.3 V
Figure 7-30 Boost Load Regulation (Low Power Mode)
GUID-1001EBB7-8007-40A3-8958-6F91EDF054E9-low.gif
TPS610982MODE = LowV(MAIN) = 3.3 V
Figure 7-32 Boost Load Regulation (Low Power Mode)
GUID-E6B6D09C-495A-49F4-9B20-C8A5125D6912-low.gif
TPS610985MODE = LowV(MAIN) = 3 V
Figure 7-34 Boost Load Regulation (Low Power Mode)
GUID-3904606F-E18A-4A1D-AECD-B9323121DF73-low.gif
TPS610986MODE = LowV(MAIN) = 3.3 V
Figure 7-36 Boost Load Regulation (Low Power Mode)
GUID-3A6AFEBE-39A2-4BFB-97B7-05BAB4E7AFF4-low.gif
TPS61098, '7MODE = HighVIN = 3.6 V
Figure 7-38 LDO Load Regulation
GUID-73410BB4-24A0-43FA-B0FE-DB230D41943D-low.gif
TPS610982MODE = LowVIN = 2.5 V
Figure 7-40 LDO Load Regulation (Low Power Mode)
GUID-3D20B43B-624C-4C75-9576-81E5D5EF925F-low.gif
TPS61098, '7MODE = LowNo Load
Figure 7-42 Input Current vs Input Voltage (Low Power Mode)
GUID-06273D49-9C61-4BF8-9B85-FF5E20E46916-low.gif
TPS610981MODE = HighNo Load
Figure 7-44 Input Current vs Input Voltage (Active Mode)
GUID-8D09D7F4-79AC-4C8D-B488-474D06E88BF7-low.gif
TPS610982MODE = HighNo Load
Figure 7-46 No Load Input Current vs Input Voltage (Active Mode)
GUID-B9ED2D5E-4BA7-4DC1-83AA-39AB1701B2E2-low.gif
TPS610986MODE = LowV(MAIN) = 3.3 V
Figure 7-48 Input Current vs Input Voltage (Low Power Mode)
GUID-736506FB-853B-495C-8235-2F9A5F7C03C4-low.gif
TPS610981MODE = HighCO2 = 10 µF
VIN - VOUT = 3.3 V - 3 V = 0.3 V
Figure 7-50 LDO PSRR vs Frequency
GUID-C5FA410A-66FA-49CF-A747-9E5909149ADD-low.gif
TPS610982MODE = HighCO2 = 10 µF
VIN - VOUT = 3.3 V - 2.8 V = 0.5 V
Figure 7-52 LDO PSRR vs Frequency (Active Mode)