SNOSDD6 September   2021 LM74700-EP

PRODUCTION DATA  

  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Pin Configuration and Functions
  6. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Switching Characteristics
    7. 6.7 Typical Characteristics
  7. Parameter Measurement Information
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Input Voltage
      2. 8.3.2 Charge Pump
      3. 8.3.3 Gate Driver
      4. 8.3.4 Enable
    4. 8.4 Device Functional Modes
      1. 8.4.1 Shutdown Mode
      2. 8.4.2 Conduction Mode
        1. 8.4.2.1 Regulated Conduction Mode
        2. 8.4.2.2 Full Conduction Mode
        3. 8.4.2.3 Reverse Current Protection Mode
  9. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Design Considerations
        2. 9.2.2.2 MOSFET Selection
        3. 9.2.2.3 Charge Pump VCAP, input and output capacitance
      3. 9.2.3 Selection of TVS Diodes for 12-V Battery Protection Applications
      4. 9.2.4 Selection of TVS Diodes and MOSFET for 24-V Battery Protection Applications
      5. 9.2.5 Application Curves
    3. 9.3 OR-ing Application Configuration
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Receiving Notification of Documentation Updates
    2. 12.2 Support Resources
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

Typical Characteristics

Figure 6-1 Shutdown Supply Current vs Supply Voltage
Figure 6-3 Enable Sink Current vs Supply Voltage
GUID-20210729-CA0I-J1BF-GK16-GFK6P8HBDNKF-low.pngFigure 6-5 Charge Pump Current vs Supply Voltage at VCAP = 6 V
GUID-20210729-CA0I-2VXZ-Z47N-BDVDM6LRZ80S-low.pngFigure 6-7 Charge Pump V-I Characteristics at VANODE = 3.2 V
GUID-20210729-CA0I-PTLN-J1VM-Q9N9GFDTCFZW-low.pngFigure 6-9 Reverse Current Blocking Delay vs Temperature
GUID-20210729-CA0I-CQJN-JT3Q-NSNDD7LPQ4JL-low.pngFigure 6-11 Enable to Gate Delay vs Temperature
GUID-9A6525CD-EA61-4B3A-86F9-1BD3206707E7-low.gifFigure 6-13 Gate Current vs Forward Voltage Drop.
GUID-20210729-CA0I-DTLG-TSXF-8QZ4K4VSVBBB-low.pngFigure 6-15 VANODE POR Threshold vs Temperature.
GUID-20210729-CA0I-SZKH-9RHV-LKNFG953FQV5-low.pngFigure 6-2 Operating Quiescent Current vs Supply Voltage.
GUID-20210729-CA0I-VGFB-NN3T-STLQ2CJWCLZW-low.pngFigure 6-4 Cathode Sink Current vs Supply Voltage
GUID-20210729-CA0I-ZGGX-B8HL-PTFKNR8H24WG-low.pngFigure 6-6 Charge Pump V-I Characteristics at VANODE > = 12 V
GUID-20210729-CA0I-SHH8-HTR1-DZPJF7T1Z33T-low.pngFigure 6-8 Enable Falling Threshold vs Temperature
Figure 6-10 Forward Recovery Delay vs Temperature
Figure 6-12 Charge Pump ON/OFF Threshold vs Temperature
Figure 6-14 Charge Pump UVLO Threshold vs Temperature