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MOSFET内置 1ch降压开关稳压器_BD9G341AEFJ

BD9G341AEFJ是内置对应76V高输入电压的功率MOSFET的降压1ch开关稳压器。内置80V耐压3.5A额定、导通电阻150mΩ的功率MOSFET。还通过电流模式控制方式,实现了高速瞬态响应和简便的相位补偿设定。频率在50kHz ~ 750kHz的范围内可变,内置低电压误动作防止电路、过电流保护电路等保护功能。此外,可通过高精度的EN引脚阈值进行低电压锁定,及使用外接电阻设定滞后。
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型号
Status
封装
包装数量
最小独立包装数量
包装形态
RoHS
BD9G341AEFJ-E2 供应中 HTSOP-J8 2500 2500 Taping Yes
 
特性:
Grade Standard
ch 1
Integrated FET / Controller Integrated FET
Buck / Boost / Buck-Boost / Inverting Buck
Synchronous / Nonsynchronous Nonsynchronous
Vin1(Min.)[V] 12.0
Vin1(Max.)[V] 76.0
Vout1(Min.)[V] 1.0
Vout1(Max.)[V] 76.0
Iout1(Max.)[A] 3.0
SW frequency(Max.)[MHz] 0.75
EN Yes
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
特点:
    • Wide input voltage range from 12V to 76V.
    • Integrated 80V/3.5A/150mΩ NchFET.
    • Current mode.
    • Variable frequency from 50kHz to 750kHz.
    • Accurate reference voltage (1.0V ±1.5%).
    • Precision EN threshold (±3%).
    • Soft-start function
    • 0µA Standby current
    • Over Current Protection (OCP), Under Voltage Lockout (UVLO), Thermal-Shutdown TSD), Over Voltage Protection (OVP) Thermally enhanced HTSOP-J8 package
 
 
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技术信息
Reference Circuits and Bomlist

Reference Circuits and Bomlist

Evaluation Board User's Guide

BD9G341AEFJ Evaluation Board User's Guide

Thermal Resistance

The definition and how to use thermal resistance and thermal characterization parameter of packages for ROHM’s integrated circuit are described in this application note.

Calculation of Power Loss (Synchronous)

This application note describes how to obtain the power loss required to calculate the temperature of a semiconductor device. Temperature control is important to ensuring product reliability.

Thermal Resistance

The definition and how to use thermal resistance and thermal characterization parameter of packages for ROHM’s integrated circuit are described in this application note.

Measurement Method for Phase Margin with Frequency Response Analyzer (FRA)

This application note introduces a method for easily measuring the phase margin with a Frequency Response Analyzer (FRA) made by NF Corporation.

Resistor Value Table to set Output Voltage of Buck Converter IC

This Application Note offers reference table to easily set resistor values for output voltage with various internal reference voltages VREF.

PCB Layout Techniques of Buck Converter

Major problems that arise from in appropriate layout may cause increase in noise superposed by output and switching signal, the deterioration of regulator, and also lack of stability...

Snubber Circuit for Buck Converter IC

In buck converter ICs, many high-frequency noises are generated at switch nodes. A snubber circuit provides one way of eliminating such harmonic noise. This application note explains how to set up the RC snubber circuits.

Capacitor Calculation for Buck converter IC

This application note explains the calculation of external capacitor value for buck converter IC circuit.

Inductor Calculation for Buck converter IC

This application note covers the steps required in choosing the inductor and to calculate the value used in buck regulator IC circuits.

Efficiency of Buck Converter

This application note explains power loss factors and methods for calculating them. It also explains how the relative importance of power loss factors depends on the specifications of the switching power source.

The Important Points of Multi-layer Ceramic Capacitor Used in Buck Converter circuit

Using unmatched MLCC may not obtain required target characteristics for power supply circuit and may cause abnormal operation. This application note explains the important points while using MLCC.

Considerations for Power Inductors Used for Buck Converters

This application note explains the features and things to consider when shopping for power inductors.