SNVSAH2E December   2015  – August 2020 LMR23630

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
    1.     Pin 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 Switching Characteristics
    8. 7.8 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Fixed Frequency Peak Current Mode Control
      2. 8.3.2  Adjustable Frequency
      3. 8.3.3  Adjustable Output Voltage
      4. 8.3.4  Enable/Sync
      5. 8.3.5  VCC, UVLO
      6. 8.3.6  Minimum ON-time, Minimum OFF-time and Frequency Foldback at Dropout Conditions
      7. 8.3.7  Power Good (PGOOD)
      8. 8.3.8  Internal Compensation and CFF
      9. 8.3.9  Bootstrap Voltage (BOOT)
      10. 8.3.10 Overcurrent and Short-Circuit Protection
      11. 8.3.11 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Shutdown Mode
      2. 8.4.2 Active Mode
      3. 8.4.3 CCM Mode
      4. 8.4.4 Light Load Operation (PFM Version)
      5. 8.4.5 Light Load Operation (FPWM Version)
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1  Custom Design With WEBENCH® Tools
        2. 9.2.2.2  Output Voltage Setpoint
        3. 9.2.2.3  Switching Frequency
        4. 9.2.2.4  Inductor Selection
        5. 9.2.2.5  Output Capacitor Selection
        6. 9.2.2.6  Feed-Forward Capacitor
        7. 9.2.2.7  Input Capacitor Selection
        8. 9.2.2.8  Bootstrap Capacitor Selection
        9. 9.2.2.9  VCC Capacitor Selection
        10. 9.2.2.10 Undervoltage Lockout Setpoint
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
    3. 11.3 Compact Layout for EMI Reduction
    4. 11.4 Ground Plane and Thermal Considerations
    5. 11.5 Feedback Resistors
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Development Support
        1. 12.1.1.1 Custom Design With WEBENCH® Tools
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Support Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DDA|8
  • DRR|12
Thermal pad, mechanical data (Package|Pins)
Orderable Information

4 Revision History

Changes from Revision D (February 2018) to Revision E (July 2020)

  • Changed HSOIC and WSON Input Range to 4 V to 36 V from 4.5 V for HSOIC and 4 V for WSONGo
  • Updated the numbering format for tables, figures and cross-references throughout the document.Go
  • Added LMZM33630 bullet in Section 1 Go

Changes from Revision C (June 2017) to Revision D (February 2018)

  • Changed Programmable Logic Controller Power Supply to Factory and Building Automation System... in Applications Go
  • Deleted Multi-Function Printers and Industrial Power Supplies and reworded Applications Go
  • Changed HVAC Systems from Applications to General Purpose Wide VIN Regulation Go
  • Added "2.2-µF, 16-V" for VCC pin bypass capacitor Go
  • Change the Max Recommend Operating Condition for Iout to be 3-A from 2.5-A Go
  • Consolidating all the common EC table characteristic between HSOIC and WSON, for example Operation Input Voltage, VIN_UVLO, IEN and Mnimum turn-on time Go
  • Changed Typical Value for VIN_UVLO Rising threshold typical from 3.6-V to 3.7-V and minimum Falling threshold from 3-V to 2.9-V Go
  • Changed the operating from "4.5-V" ... to "4-V" in Device Functional Modes Go
  • Changed from VOUT = 7 V to 36 V to VIN = 7 V to 36 V on Figure 9-9 Go

Changes from Revision B (April 2017) to Revision C (June 2017)

  • Deleted Deleted "Automotive Battery Regulation" and reworded Applications Go
  • Added WSON Package and Options Go
  • Added Device Comparison Table Go
  • Change EN Abs Max to EN/SYNC Abs Max Go
  • Updating ESD Ratings to include HSOIC and WSON Go
  • Corrected Equation 17 denominator from "(VOUT x VOS)" to "(VOUT + VOS)"Go
  • clarified equations Equation 23 and Equation 24 Go

Changes from Revision A (July 2016) to Revision B (April 2017)

  • Changed spec from 6.0 to 6.2 for max under Current LimitGo
  • Changed spec from 4.2 to 4.6 for max under Current LimitGo

Changes from Revision * (December 2015) to Revision A (July 2016)

  • Changed from Product Preview to Production Data with all the remaining sections added.Go