SNVSCV1 November   2025 LM5137F

PRODUCTION DATA  

  1.   1
  2. 1Features
  3. 2Applications
  4. 3Description
  5. 4Related Products
  6. 5Device and Documentation Support
    1. 5.1 Device Support
      1. 5.1.1 Third-Party Products Disclaimer
      2. 5.1.2 Development Support
        1. 5.1.2.1 Custom Design With WEBENCH® Tools
    2. 5.2 Documentation Support
      1. 5.2.1 Related Documentation
        1. 5.2.1.1 Low-EMI Design Resources
        2. 5.2.1.2 Thermal Design Resources
        3. 5.2.1.3 PCB Layout Resources
    3. 5.3 Receiving Notification of Documentation Updates
    4. 5.4 Support Resources
    5. 5.5 Trademarks
    6. 5.6 Electrostatic Discharge Caution
    7. 5.7 Glossary
  7. 6Revision History
  8. 7Mechanical, Packaging, and Orderable Information

1 Features

  • Functional Safety-Compliant
  • Versatile dual synchronous buck DC/DC controller
    • Wide input voltage range of 4V to 80V
    • 1% accurate, fixed 3.3V, 5V, 12V, or adjustable outputs from 0.8V to 60V
    • Current monitor output for each channel
    • Charge-pump gate drivers for 100% duty cycle
    • Sleep quiescent current of 1.8µA (typical)
    • Internal hiccup-mode overcurrent protection
  • Two interleaved synchronous buck channels
    • Dual channel or single-output multiphase
    • Stackable up to four phases
    • SYNC in and SYNC out capability
    • Selectable light-load PFM or FPWM
    • 22ns tON(min) for high VIN/VOUT ratio
  • Designed for ultra-low EMI requirements
    • Dual Random Spread Spectrum (DRSS)
    • Switching frequency from 100kHz to 2.64MHz
  • VQFN-36 package with wettable flanks
  • Create a custom design using the LM5137F with WEBENCH® Power Designer