ZHCSP18A November   2021  – June 2022 TPS22953-Q1 , TPS22954-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  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.     Recommended Operating Conditions
    4. 7.3  Thermal Information
    5. 7.4  Electrical Characteristics
    6. 7.5  Electrical Characteristics – VBIAS = 5 V
    7. 7.6  Electrical Characteristics – VBIAS = 3.3 V
    8. 7.7  Electrical Characteristics – VBIAS = 2.5 V
    9. 7.8  Switching Characteristics – CT = 1000 pF
    10. 7.9  Switching Characteristics – CT = 0 pF
    11. 7.10 Typical DC Characteristics
    12. 7.11 Typical Switching Characteristics
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1  On and Off Control (EN Pin)
      2. 9.3.2  Voltage Monitoring (SNS Pin)
      3. 9.3.3  Power Good (PG Pin)
      4. 9.3.4  Supervisor Fault Detection and Automatic Restart
      5. 9.3.5  Manual Restart
      6. 9.3.6  Thermal Shutdown
      7. 9.3.7  Reverse Current Blocking (TPS22953-Q1 Only)
      8. 9.3.8  Quick Output Discharge (QOD) (TPS22954-Q1 Only)
      9. 9.3.9  VIN and VBIAS Voltage Range
      10. 9.3.10 Adjustable Rise Time (CT Pin)
      11. 9.3.11 Power Sequencing
    4. 9.4 Device Functional Modes
  10. 10Application and Implementation
    1. 10.1 Application Information
      1. 10.1.1 Input to Output Voltage Drop
      2. 10.1.2 Thermal Considerations
      3. 10.1.3 Automatic Power Sequencing
      4. 10.1.4 Monitoring a Downstream Voltage
      5. 10.1.5 Monitoring the Input Voltage
      6. 10.1.6 Break-Before-Make Power MUX (TPS22953-Q1 Only)
      7. 10.1.7 Make-Before-Break Power MUX (TPS22953-Q1 Only)
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Inrush Current
      3. 10.2.3 Application Curves
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Documentation Support
      1. 13.1.1 Related Documentation
    2. 13.2 接收文档更新通知
    3. 13.3 支持资源
    4. 13.4 Trademarks
    5. 13.5 Electrostatic Discharge Caution
    6. 13.6 术语表
  14. 14Mechanical, Packaging, and Orderable Information

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7.11 Typical Switching Characteristics

GUID-A4C3F8FC-4E0A-4FDB-8EAE-7807D88C76D4-low.gif
VBIAS = 2.5 VCT = 1000 pFVEN = Low to High
Figure 7-19 tR vs VIN, VBIAS = 2.5 V
GUID-30E8F257-DF7A-4053-B935-B6BC8592A5CA-low.gif
VBIAS = 2.5 VCT = 1000 pFVEN = High to Low
Figure 7-21 tF vs VIN, VBIAS = 2.5 V
GUID-E6BFB8E9-A680-4CBA-A705-CF88204B3543-low.gif
VBIAS = 2.5 VCT = 1000 pFVEN = Low to High
Figure 7-23 tON vs VIN, VBIAS = 2.5 V
GUID-F4BD5B67-755B-4907-8001-DA5152CA6FBC-low.gif
VBIAS = 2.5 VCT = 1000 pFVEN = High to Low
Figure 7-25 tOFF vs VIN, VBIAS = 2.5 V
GUID-B34E59B8-B530-400A-BB53-82DE6DACF712-low.gif
VBIAS = 2.5 VCT = 1000 pFVEN = Low to High
Figure 7-27 tD vs VIN, VBIAS = 2.5 V
GUID-D744D429-FD52-42EF-B6DB-43101389AACE-low.gif
VIN = 2.5 VCT = 1000 pFVEN = Low to High
Figure 7-29 tR vs VBIAS
GUID-F1460758-203F-421C-A595-22C6CBA4F8FA-low.gif
VBIAS = 5 VCT = 1000 pFVEN = Low to High
Figure 7-20 tR vs VIN, VBIAS = 5 V
GUID-E54129CB-1668-4F4B-84C1-CA54FBC65744-low.gif
VBIAS = 5 VCT = 1000 pFVEN = High to Low
Figure 7-22 tF vs VIN, VBIAS = 5 V
GUID-EB6E0FB5-2B26-4366-8E75-C9C15F939263-low.gif
VBIAS = 5 VCT = 1000 pFVEN = Low to High
Figure 7-24 tON vs VIN, VBIAS = 5 V
GUID-4A961134-F0D9-436D-A152-24ACC5F57FC4-low.gif
VBIAS = 5 VCT = 1000 pFVEN = High to Low
Figure 7-26 tOFF vs VIN, VBIAS = 5 V
GUID-64BD9BDA-1DCF-4A08-A76F-2EC0B67443D3-low.gif
VBIAS = 5 VCT = 1000 pFVEN =Low to High
Figure 7-28 tD vs VIN, VBIAS= 5 V
GUID-E34B71B4-695A-485A-A7AA-B86BCEF91CBA-low.png
VIN = 0.7 VVBIAS = 2.5 VCT = 1000 pF
CIN = 1 µFCL = 0.1 µFRL = 10 Ω
Figure 7-30 Turn-on Waveform, VBIAS = 2.5 V
GUID-6A771659-9C9E-4829-95F7-083264673348-low.png
VIN = 0.7 VVBIAS = 5 VCT = 1000 pF
CIN = 1 µFCL = 0.1 µFRL = 10 Ω
Figure 7-32 Turn-on Waveform, VBIAS = 5 V
GUID-09AED370-0C00-479B-8D83-A03637C082EC-low.png
VIN = 2.5 VVBIAS = 2.5 VCT = 1000 pF
CIN = 1 µFCL = 0.1 µFRL = 10 Ω
Figure 7-34 Turn-on Waveform, VBIAS = 2.5 V
GUID-C73034FC-FFC0-40BD-AD7A-E3D3B6C13996-low.png
VIN = 2.5 VVBIAS = 5 VCT = 1000 pF
CIN = 1 µFCL = 0.1 µFRL = 10 Ω
Figure 7-36 Turn-on Waveform, VBIAS = 5 V
GUID-A3267EDA-DB22-44C9-9BB4-FF5FB3554AFF-low.png
VIN = 3.3 VVBIAS = 5 VCT = 1000 pF
CIN = 1 µFCL = 0.1 µFRL = 10 Ω
Figure 7-38 Turn-on Waveform, VBIAS = 5 V
GUID-58E28BE0-D458-45E8-9DC8-0B950507CB65-low.png
VIN = 5 VVBIAS = 5 VCT = 1000 pF
CIN = 1 µFCL = 0.1 µFRL = 10 Ω
Figure 7-40 Turn-on Waveform, VBIAS = 5 V
GUID-CD51F008-0016-441B-AF3B-9293620045C1-low.png
VIN = 3.3 VVBIAS = 5 VCT = 1000 pF
CIN = 1 µFCL = 0.1 µFRL = Open
Figure 7-42 Turn-on Waveform, No Load
GUID-D442A6F4-939E-48EF-AC3F-4340016C85F0-low.png
VIN = 3.3 VVBIAS = 5 VCT = 1000 pF
CIN = 1 µFCL = 0.1 µFRL = 1 Ω
Figure 7-44 Turn-on Waveform, Heavy Load
GUID-5C6E8ECA-19BC-4D2B-B567-E089FA16E9A8-low.png
VIN = 5 VVBIAS = 5 VCT = 1000 pF
CIN = 1 µFCL = 100 µFRL = 10 Ω
Figure 7-46 PG Response to EN Falling (tDEGLITCH)
GUID-B70ABBBD-B97A-415A-92AF-C1812D438F1F-low.png
VIN = 5 VVBIAS = 5 VCT = 1000 pF
CIN = 1 µFCL = 100 µFRL = 10 Ω
Figure 7-48 PG Response to SNS Rising (tBLANK)
GUID-BBE037E2-6A81-44AC-AD24-EB31BDA82D49-low.png
VIN = 10 Ω to GNDVBIAS = 5 V
CIN = 0.2 µFVOUT = 5 V
Figure 7-50 Reverse Current Blocking Response Time (tRCB)
GUID-31F25656-AC00-48EE-A4D0-6C48183372B3-low.png
VIN = 0.7 VVBIAS = 2.5 VCT = 1000 pF
CIN = 1 µFCL = 0.1 µFRL = 10 Ω
Figure 7-31 Turn-off Waveform, VBIAS = 2.5 V
GUID-9D8DBDAC-A4E3-4DC6-BF40-7B953599EDD1-low.png
VIN = 0.7 VVBIAS = 5 VCT = 1000 pF
CIN = 1 µFCL = 0.1 µFRL = 10 Ω
Figure 7-33 Turn-off Waveform, VBIAS = 5 V
GUID-34AEC612-DADF-4D37-A744-0FECDB1D04BC-low.png
VIN = 2.5 VVBIAS = 2.5 VCT = 1000 pF
CIN = 1 µFCL = 0.1 µFRL = 10 Ω
Figure 7-35 Turn-off Waveform, VBIAS = 2.5 V
GUID-BF487281-FC0B-42B9-A051-30507CD2D822-low.png
VIN = 2.5 VVBIAS = 5 VCT = 1000 pF
CIN = 1 µFCL = 0.1 µFRL = 10 Ω
Figure 7-37 Turn-off Waveform, VBIAS = 5 V
GUID-C27D8D54-BE15-4683-A0EB-BF65F9A3535B-low.png
VIN = 3.3 VVBIAS = 5 VCT = 1000 pF
CIN = 1 µFCL = 0.1 µFRL = 10 Ω
Figure 7-39 Turn-off Waveform, VBIAS = 5 V
GUID-1EAE942A-E126-410D-9634-370592F93A5C-low.png
VIN = 5 VVBIAS = 5 VCT = 1000 pF
CIN = 1 µFCL = 0.1 µFRL = 10 Ω
Figure 7-41 Turn-off Waveform, VBIAS = 5 V
GUID-FCA10472-F7CE-437E-B7E0-6C295F204866-low.png
VIN = 5 VVBIAS = 5 VCT = 1000 pF
CIN = 1 µFCL = 0.1 µFRL = Open
Figure 7-43 Turn-on Waveform, No Load
GUID-E26BEB6F-343D-418A-A303-1BC246D532E4-low.png
VIN = 5 VVBIAS = 5 VCT = 1000 pF
CIN = 1 µFCL = 0.1 µFRL = 1 Ω
Figure 7-45 Turn-on Waveform, Heavy Load
GUID-7AF84291-57E7-41DC-AEA0-AEC86D3DA94E-low.png
VIN = 5 VVBIAS = 5 VCT = 1000 pF
CIN = 1 µFCL = 100 µFRL = 10 Ω
Figure 7-47 PG Response to SNS Falling With Auto-Restart (tDEGLITCH and tRESTART)
GUID-69C608B5-86D2-4C40-8D80-5044B7B3E668-low.png
VIN = 5 VVBIAS = 5 VCT = 1000 pF
CIN = 1 µFCL = 100 µFRL = None
Figure 7-49 Quick Output Discharge of 100-µF Load (tDIS)