BLL2730 Power Management IC – 3.5A Jitter + CC/CV DC/DC Buck Converter | 8.5–34V, 135kHz, SOP8

Shanghai Belling

The BLL2730 is a high-performance Power Management IC featuring a built-in MOSFET synchronous DC/DC step-down (buck) converter with Jitter + CC/CV control.
It supports an 8.5V to 34V input voltage range and provides a fixed 5.0V output, making it ideal for car charger applications requiring stable voltage and high current.

With a maximum output current of 3.5A, the BLL2730 delivers efficient and reliable power conversion, achieving up to 95% efficiency.
Its compact SOP8 package allows easy integration into automotive power designs.


Key Specifications

  • Input Voltage (VIN): 8.5V – 34V

  • Output Voltage (VOUT): 5.0V fixed

  • Output Current (IOUT): Up to 3.5A

  • Switching Frequency (FOSC): 135kHz

  • Topology: Jitter + CC/CV Synchronous Buck Converter

  • Power Switching: Built-in MOSFETs

  • Efficiency: Up to 95%

  • Output Accuracy: ±2%

  • Package: SOP8


Applications

  • Automotive car chargers

  • DC/DC power supply modules

  • Portable automotive devices

  • Battery-powered systems

  • Embedded power solutions


Features

  • Jitter + CC/CV control for stable load regulation

  • High-current output up to 3.5A

  • Integrated MOSFETs for compact design

  • High efficiency up to 95%

  • SOP8 package for easy PCB integration

  • Stable output voltage with ±2% accuracy