型号IR3889MTRPBF
品牌
分类DC-DC 转换器
描述
相关操作
产品概述

OptiMOS™ IPOL 30 A single – voltage synchronous buck regulator

The IR3889 OptiMOSTM IPOL is an easy-to-use, fully integrated DC-DC buck regulator. The onboard PWM controller and OptiMOS™ MOSFETs with integrated bootstrap diode make the IR3889 a small footprint solution, providing high-efficient power delivery. Furthermore, it uses a fast Constant-On-Time (COT) control scheme, which simplifies the design efforts and achieves fast control response.

特征描述

  • Single 4.3 V to 17 V application or wide input voltage range from 2.0 V to 17 V with an external VCC
  • Precision reference voltage (0.8 V +/- 0.5%)
  • Enhanced fast COT engine stable with ceramic output capacitors and no external compensation
  • Optional forced continuous conduction mode and diode emulation for enhanced light load efficiency
  • Programmable switching frequency from 600 kHz to 2 MHz
  • Monotonic start-up with four selectable soft-start time & enhanced pre-bias start-up
  • Thermally compensated internal over-current protection with four selectable settings
  • Enable input with voltage monitoring capability & power good output
  • Thermal shut down
  • Operating temperature: -40°C < Tj < 125°C
  • Small size: 5 mm x 6 mm PQFN
  • Lead-free, halogen-free and RoHS2 compliant with Exemption 7a

潜在应用

  • Server applications
  • Storage applications
  • Telecom and Datacom applications
  • Distributed Point-of-Load power architectures