ZHCSI22F October   2017  – December 2021 TPS2662

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. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Timing Requirements
    7. 7.7 Typical 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 Undervoltage Lockout (UVLO)
      2. 9.3.2 Overvoltage Protection (OVP)
      3. 9.3.3 Hot Plug-In and Inrush Current Control
      4. 9.3.4 Reverse Polarity Protection
        1. 9.3.4.1 Input Side Reverse Polarity Protection
        2. 9.3.4.2 Output Side Reverse Polarity Protection
      5. 9.3.5 Overload and Short-Circuit Protection
        1. 9.3.5.1 Overload Protection
        2.       28
        3. 9.3.5.2 Short-Circuit Protection
          1. 9.3.5.2.1 Start-Up With Short-Circuit On Output
      6. 9.3.6 Reverse Current Protection
      7. 9.3.7 FAULT Response
      8. 9.3.8 IN, OUT, RTN, and GND Pins
      9. 9.3.9 Thermal Shutdown
    4. 9.4 Device Functional Modes
      1. 9.4.1 Low Current Shutdown Control (SHDN)
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Step-by-Step Design Procedure
        2. 10.2.2.2 Programming the Current Limit Threshold R(ILIM) Selection
        3. 10.2.2.3 Undervoltage Lockout and Overvoltage Set Point
        4. 10.2.2.4 Setting Output Voltage Ramp Time—(tdVdT)
          1. 10.2.2.4.1 Case 1: Start-Up Without Load—Only Output Capacitance C(OUT) Draws Current During Start-Up
          2. 10.2.2.4.2 Case 2: Start-Up With Load —Output Capacitance C(OUT) and Load Draws Current During Start-Up
          3. 10.2.2.4.3 Support Component Selections – R FLT and C(IN)
      3. 10.2.3 Application Curves
    3. 10.3 System Examples
      1. 10.3.1 Field Supply Protection in PLC, DCS I/O Modules
      2. 10.3.2 Simple 24-V Power Supply Path Protection
      3. 10.3.3 Power Stealing in Smart Thermostat
    4. 10.4 Do's and Don'ts
  11. 11Power Supply Recommendations
    1. 11.1 Transient Protection
  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

封装选项

机械数据 (封装 | 引脚)
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订购信息

7.7 Typical Characteristics

GUID-FE343DA1-5DDF-4A6D-BCAA-AF4B916CDB3C-low.gifFigure 7-1 On-Resistance vs Temperature Across Load Current
GUID-52C78DE2-23E0-4BBB-ADA4-1A50A2BB44D8-low.gifFigure 7-3 OVP Threshold Voltage vs Temperature
GUID-6A7C41C4-3593-4285-8582-07803991A6BC-low.gifFigure 7-5 V(FWDTH) vs Temperature
GUID-708938FD-8470-47C8-B308-77E322FB18D0-low.gifFigure 7-7 Internal POR Threshold Voltage vs Temperature
GUID-4C9CF1BB-F497-42B3-B91D-A8D2244539B2-low.gifFigure 7-9 Input Supply Current vs Supply Voltage During Normal Operation
GUID-F8590097-CE51-4CDA-98A6-8340E1E8E3D5-low.gifFigure 7-11 OVP Disable Delay vs Temperature
GUID-53F0BD99-A350-4AE2-92D4-9EE67AB40213-low.gifFigure 7-13 Shutdown Threshold Voltage Shutdown vs Temperature
GUID-8052C860-8A2A-4EF0-8602-328628F3AE48-low.gifFigure 7-15 Current Limit (% Normalized) vs Temperature
GUID-555499EB-645D-49A9-9A91-790B69304121-low.gifFigure 7-17 Over Load Current Limit vs Temperature
GUID-ECBE0B76-0C9D-4747-A8FD-9918C86BFDD3-low.gifFigure 7-19 Fast-Trip Comparator Threshold I(FAST-TRIP) vs Temperature Threshold
GUID-3B96EDB9-8EB7-4F86-86F8-E2751F3AF43C-low.gifFigure 7-21 UVLO Turnoff Delay vs Temperature
GUID-297CF9A2-9F27-4F9F-9EC3-210CC52F419D-low.gif
Taken on 2-Layer board, 2 oz.(0.08-mm thick) with RTN plane area: 0.8 cm2 (Top) and 4.5 cm2 (Bottom)
Figure 7-23 Thermal Shutdown Time vs Power Dissipation
GUID-C20C5A38-2AD2-4B8E-B35B-89106C2BF2E5-low.gif
RILIM = 7.5 kΩRFLTb = 100 kΩRLOAD = 80 Ω
Figure 7-25 OV Clamp Response (TPS26602 Only)
GUID-4E961024-BE1D-421D-9F51-006C197F0779-low.gif
RILIM = 7.5 kΩ
Figure 7-27 Hot-Short: Fast-Trip Response (Zoomed)
GUID-10992FF7-8023-40EA-B026-E9D904BC8200-low.gif
RILIM = 7.5 kΩRFLTb = 100 kΩRLOAD = 80 Ω
Figure 7-29 Turnoff Control With SHDN
GUID-4FBE8DD0-65AC-47C4-9521-52262DC44F76-low.gifFigure 7-2 UVLO Threshold Voltage vs Temperature
GUID-DE3E6570-46C5-4F93-8267-6A496BC5A5C7-low.gifFigure 7-4 Reverse Voltage Threshold vs Temperature
GUID-3C8BB760-0F48-4440-B48E-E2AF9A7D01E7-low.gifFigure 7-6 Overvoltage Clamp Threshold vs Temperature
GUID-20E00C7C-E625-4E33-B034-9081EDB66CF3-low.gifFigure 7-8 Input Supply Current vs Supply Voltage in Shutdown
GUID-B3DE638D-D361-47AA-922E-9E79BCC25672-low.gif
V(OUT) = 0 V
Figure 7-10 Input Supply Current vs Reverse Supply Voltage, –V(IN)
GUID-2E083BDE-5130-4EF4-950A-0BB845354DC0-low.gifFigure 7-12 Shutdown Entry Delay vs Temperature
GUID-4D9A49A4-9F39-485E-8310-839551EB3087-low.gifFigure 7-14 Max Duration in Current Limiting t(CL) vs Temperature
GUID-AFF4624D-9619-433E-8C35-26EE9CC5619D-low.gifFigure 7-16 Current Limit (% Normalized) vs Temperature
GUID-A473C3A1-424B-466B-8C22-5C2F242728C1-low.gifFigure 7-18 Current Limit for R(ILIM) = Open and Short vs Temperature
GUID-6AFA1B46-29E9-4649-B2EA-26768855D00F-low.gifFigure 7-20 Current Limit Accuracy vs Current Limit, I(OL)
GUID-E6F01402-3A0F-470E-AA9A-5099DF53194A-low.gifFigure 7-22 Reverse Current Blocking Response Time vs Reverse Comparator Overdrive Voltage
GUID-AC6450B4-2237-4DCA-97CC-D7DAFB1DA2D3-low.gif
RILIM = 7.5 kΩRFLTb = 100 kΩRLOAD = 80 Ω
OVP setting at 33 V
Figure 7-24 OVP Overvoltage Cut-Off Response
GUID-9FF815CD-A9EB-4801-8B20-18426822D810-low.png
RILIM = 7.5 kΩRFLTb = 100 kΩ
Figure 7-26 Hot-Short: Fast-Trip Response and Current Regulation
GUID-D39AF15C-9ECA-4C24-9981-83A762E9395F-low.gif
RILIM = 7.5 kΩRFLTb = 100 kΩRLOAD = 80 Ω
Figure 7-28 Turnon Control With SHDN