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6~28V、1.2A 1ch 降压开关稳压器 功率MOSFET内置型_BD9E151NUX

BD9E151NUX是内置对应28V高输入电压的功率MOSFET的二极管整流降压转换器。使用二极管整流,轻负载时脉冲可自动跳跃维持高效率。此外,关断时电源电流低至0uA,因此适用于电池驱动应用。可使用陶瓷电容器,并具有基于电流模式控制的高速负载响应和简便的外部设定相位补偿系统,可使用各种外接常数轻松制作小型电源。

* 本产品是标准级的产品。本产品不建议使用的车载设备。
型号
Status
封装
包装数量
最小独立包装数量
包装形态
RoHS
BD9E151NUX-TR 供应中 VSON008X2030 4000 4000 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] 6.0
Vin1(Max.)[V] 28.0
Vout1(Min.)[V] 1.0
Vout1(Max.)[V] 19.6
Iout1(Max.)[A] 1.2
SW frequency(Max.)[MHz] 0.6
Light Load mode No
EN Yes
PGOOD No
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
特点:
  • ・High and Wide Input Range (VIN=6V~28V)
    ・30V/80mΩ Internal Power MOSFET
    ・600kHz Fixed Operating Frequency
    ・Feedback Pin Voltage 1.0V±1.0%
    ・Internal Over Current Protection(OCP), Under Voltage Locked Out(UVLO), Over Voltage Protection(OVP), Thermal Shut down(TSD)
    ・0μA Low Shutdown Supply Current
    ・VSON008X2030 package
 
 
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New Products:
 
 
技术信息
Reference Circuits and Bomlist

Reference Circuits and Bomlist

Evaluation Board User's Guide

Evaluation Board for ROHM's BD9E151NUX non-Synchronous Buck Converter with Integrated FET

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.