BD9B300MUV
2.7V~5.5V输入3.0A MOSFET内置 降压DC/DC转换器

BD9B300MUV是内置低导通电阻的功率MOSFET的同步整流降压型开关稳压器。最大可输出3A的电流。采用轻负载时进行低功耗工作的独创恒定时间控制方式,适用于要降低待机功耗的设备。振荡频率高,适用于小型电感。是恒定时间控制DC/DC转换器,具有高速瞬态响应性能。

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主要规格

 
型号 | BD9B300MUV-E2
Status | 推荐品
封装 | VQFN016V3030
包装数量 | 3000
最小独立包装数量 | 3000
包装形态 | Taping
RoHS | Yes

特性:

Grade

Standard

ch

1

Integrated FET / Controller

Integrated FET

Topology

Buck

Synchronous / Nonsynchronous

Synchronous

Vin1(Min.)[V]

2.7

Vin1(Max.)[V]

5.5

Vout1(Min.)[V]

0.8

Vout1(Max.)[V]

4.4

Iout1(Max.)[A]

3.0

SW frequency(Max.)[MHz]

2.0

Light Load mode

Yes

EN

Yes

PGOOD

Yes

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

85

特点:

  • Synchronous Single DC/DC Converter
  • Constant on-time control suitable to Deep-SLLM
  • Over Current Protection
  • Short Circuit Protection
  • Thermal Shutdown Protection
  • Under Voltage Lockout Protection
  • Adjustable Soft Start
  • Power Good Output
  • VQFN016V3030 Package (backside heat dissipation)

Evaluation
Board

 
    • Evaluation Board
    • BD9B300MUV-E2EVK-101
    • This evaluation board has been specifically developed to evaluate the BD9B300MUV synchronous buck DC/DC converter with integrated 35mΩ Pch high-side and Nch low-side power MOSFETs. Features include up to 3A output and variable switching frequency: 1MHz (FREQ pin connected to VIN) or 2MHz (FREQ pin connected to ground).

  • User's Guide Purchase Inquiry
    • Evaluation Board
    • BD9B300MUV-EVK-001
    • BD9B300MUV-EVK-001 Evaluation board delivers an output 1.2 volts from an input 2.7 to 5.5 volts using BD9B300MUV, a synchronous rectification step-down DC/DC converter integrated circuit, with output current rating of maximum 3A. It offers high efficiency in all load ranges by equipping the efficiency improvement function in light-load.

  • User's Guide Buy

设计资源

 

文档

White Paper

  • Cutting-Edge Web Simulation Tool “ROHM Solution Simulator” Capable of Complete Circuit Verification of Power Devices and Driver ICs

User's Guide

  • Evaluation Board User's Guide for BD9B300MUV-EVK-001
  • Evaluation Board User's Guide for BD9B300MUV-E2EVK-101
  • Evaluation Board Data

Application Note

  • PCB Layout for BD9B300MUV

Reference Design

  • BD9B300MUV Reference Circuits and Bomlist

技术记事

Schematic Design & Verification

  • Buck DC/DC Converter Recommended Inductor List
  • 开关电路的功率损失计算
  • 降低DC/DC 转换器传导噪声的输入滤波器的设计和应用注意事项
  • Considering Polarity of Power Inductor to Reduce Radiated Emission of DC-DC converter
  • 开关波形的监测方法
  • 电流模式降压转换器的相位补偿设计
  • Bootstrap Circuit in the Buck Converter
  • Power Supply Sequence Circuit with General Purpose Power Supply IC
  • Suppression Method of Switching Noise Using Linear Regulator and Low Pass Filter
  • 降压转换器的PCB布局设计方法
  • 降压DCDC转换器外围器件常数的确定方法
  • 通过频率特性分析仪FRA测试相位余量的方法
  • SPICE宏模型的使用方法(DC/DC篇)
  • 降压转换器IC的缓冲电路
  • 降压转换器效率
  • 功率损耗的计算方法(同步整流型)
  • 降压型转换器IC的电感计算
  • 降压转换器使用的功率电感注意事项
  • 降压转换器IC的电容计算
  • 降压转换器中使用的多层片式陶瓷电容的注意事项
  • 降压转换器IC的设定输出电压电阻一览表
  • 功率测量中探针校正的重要性 倾斜校正篇
  • 旁路电容器的阻抗特性

Thermal Design

  • 热仿真用双热阻模型
  • Notes for Temperature Measurement Using Thermocouples
  • Notes for Temperature Measurement Using Forward Voltage of PN Junction
  • 热阻、热特性参数
  • 使用热电偶测量封装背面温度时的注意点

设计模型

2D/3D/CAD

  • VQFN016V3030 Footprint / Symbol
  • VQFN016V3030 3D STEP Data

封装和质量数据

Package Information

  • Package Information
  • Anti-Whisker formation

Manufacturing Data

  • Factory Information

Environmental Data

  • UL94 Flame Classifications of Mold Compound
  • Compliance with the ELV directive
  • REACH SVHC Non-use Declaration
  • RoHS Comission Delegated Directive

Export Information

  • The Export Control Order
  • Export Administration Regulations(EAR)