SNVSAD6B June   2015  – December 2024 LV14240

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Switching Characteristics
    7. 5.7 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1  Fixed Frequency Peak Current Mode Control
      2. 6.3.2  Slope Compensation
      3. 6.3.3  Low Dropout Operation and Bootstrap Voltage (BOOT)
      4. 6.3.4  Adjustable Output Voltage
      5. 6.3.5  Enable and Adjustable Undervoltage Lockout
      6. 6.3.6  External Soft Start
      7. 6.3.7  Switching Frequency and Synchronization (RT/SYNC)
      8. 6.3.8  Overcurrent and Short-Circuit Protection
      9. 6.3.9  Overvoltage Protection
      10. 6.3.10 Thermal Shutdown
    4. 6.4 Device Functional Modes
      1. 6.4.1 Pulse Skipping Mode
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Output Voltage Set-Point
        2. 7.2.2.2 Switching Frequency
        3. 7.2.2.3 Output Inductor Selection
        4. 7.2.2.4 Output Capacitor Selection
        5. 7.2.2.5 Schottky Diode Selection
        6. 7.2.2.6 Input Capacitor Selection
        7. 7.2.2.7 Bootstrap Capacitor Selection
        8. 7.2.2.8 Soft-Start Capacitor Selection
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Receiving Notification of Documentation Updates
    2. 8.2 Support Resources
    3. 8.3 Trademarks
    4. 8.4 Electrostatic Discharge Caution
    5. 8.5 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

1 Features

  • New product available:
  • For faster time to market:
  • 4V to 40V input range
  • 2A continuous output current
  • 100mΩ high-side MOSFET
  • 100ns minimum on time
  • Current mode control
  • Adjustable switching frequency from 200kHz to 2MHz
  • Frequency synchronization to external clock
  • Internal compensation for ease of use
  • High duty cycle operation supported
  • Precision enable input
  • 1µA shutdown current
  • External soft start
  • Thermal, overvoltage, and short protection
  • 8-pin SOIC with PowerPAD™ package