WMSIC Electronic Components

On-Bright OB2107MP

ModelOB2107MP
PackageSOT23-6
BrandOn-Bright
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration Option 142877

Availability on request

Technical data

Product details

19 specifications

Core information

Product name
On-Bright OB2107MP
Type
ON-BRIGHT
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ON-BRIGHT
Electronic Component
OB2107MP
Electronic Component
1
Package
SOT23-6
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.047g
Electronic Component
1
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM69419923
Operating Temperature
40℃~+85℃
Operating Voltage
5.5V~75V
Electronic Component
Electronic Component
Output Current
200mA
Output Type
Electronic Component

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

OB2107MP 产品概述

一、产品简介

OB2107MP 是昂宝(On-Bright)一款降压型可调开关稳压器,采用降压拓扑并内置开关管,封装为常见的 SOT23-6。器件工作电压范围宽,输入电压为 5.5V ~ 75V,输出电流最高可达 200mA,静态电流仅 550μA,工作温度 -40℃ ~ +85℃,适用于对体积、成本和输入耐受性有较高要求的工业和汽车类电源应用。

二、主要特性

  • 宽输入电压:5.5V ~ 75V,适配车载与工业高压总线。
  • 可调输出:通过外部电阻分压器设定所需输出电压,支持灵活配置。
  • 非同步整流:需外接整流二极管(推荐低压降肖特基二极管)。
  • 内置开关管:减小外围元件数量,简化设计。
  • 低静态电流:550μA,适合对待机功耗有要求的系统。
  • 输出能力:最高 200mA,适合为传感器、MCU、仪表等低功耗负载供电。
  • 封装:SOT23-6 小巧封装,利于空间受限的 PCB 设计。

三、典型应用

  • 汽车电子(仪表、车身控制模块、电源分配)
  • 工业控制与传感节点
  • 通信设备的辅助电源
  • 电池供电或能耗敏感的便携设备

四、外部器件选择与典型电路要点

  • 整流二极管:选择反向耐压高于最大输入、正向压降低的肖特基二极管,额定电流 > 负载电流并留余量。
  • 电感:根据输出电流与纹波要求选择合适电感值,注意饱和电流大于 200mA。
  • 输入/输出电容:使用低 ESR 的陶瓷电容以抑制开关纹波;输入电容应靠近 VIN 与 GND 布置。
  • 反馈电阻:按芯片参考电压 Vref 设置分压关系 Vout = Vref × (1 + Rtop/Rbottom)。

五、PCB 布局与热设计建议

  • 将 VIN、输入电容、开关节点(SW)和整流二极管形成的回路布线尽量短且宽,以减小环路电感与辐射。
  • 把反馈与补偿网络远离开关节点,留出干净的模拟地回路。
  • SOT23-6 封装热阻较高,高输入电压或接近最大工作电流时注意热量累积,必要时在 PCB 下方增加铜箔或散热过孔以提升散热性能。

六、使用注意事项

  • 由于为非同步整流结构,效率在中高电流时低于同步方案,需评估热耗与效率需求。
  • 在高输入电压应用中,选型时注意外围元件的耐压等级及布局可靠性。
  • 详尽参数(如参考电压、开关频率、保护特性等)请参考厂商完整数据手册以完成精确设计验证。

OB2107MP 以其超宽输入范围、低静态电流与小封装,适合对输入耐受性和尺寸有限制的中低功率电源解决方案。

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