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1ch 2.5-4.5V输入 0.6A同步整流降压 DC/DC转换器_BD9161FVM-LB

本产品是面向工业设备市场的产品,保证可长期稳定供货。是最适合这些用途的产品。罗姆的高效率降压开关稳压器(BD9161FVM-LB)是通过3.3V的电源线生成1.2V等低电压的电源。采用独创的脉冲跳跃控制方式和同步整流电路,实现高效化。采用电流模式控制方式,实现了负载突变时的高速瞬态响应。Max Duty为100%,在输入输出间电压差较小的条件下也可使用。

型号
Status
封装
包装数量
最小独立包装数量
包装形态
RoHS
BD9161FVM-LBTR 供应中 MSOP8 3000 3000 Taping Yes
 
特性:
Grade Industrial
ch 1
Integrated FET / Controller Integrated FET
Buck / Boost / Buck-Boost / Inverting Buck
Synchronous / Nonsynchronous Synchronous
Vin1(Min.)[V] 4.5
Vin1(Max.)[V] 5.5
Vout1(Min.)[V] 1.0
Vout1(Max.)[V] 3.3
Iout1(Max.)[A] 0.6
SW frequency(Max.)[MHz] 1.0
Light Load mode Yes
EN Yes
PGOOD No
Operating Temperature (Min.)[°C] -25
Operating Temperature (Max.)[°C] 85
特点:
  • ・Long Life Cycle Product for Industrial Applications.
    ・Fast Transient Response with Current Mode PWM Control System.
    ・Highly Efficiency with Synchronous Rectifier. (Nch/Pch FET)
    ・100% Duty Ratio.
    ・Soft-Start Function.
    ・Thermal Protection and ULVO Functions.
    ・Short-Current Protection Circuit with Time Delay Function.
    ・Shutdown Function.
 
 
引脚配置图:
Pin Configration
 
 
 
 
技术信息
Application Note

Capacitor Calculation for Buck converter IC

Application Note

Inductor Calculation for Buck converter IC

Application Note

Resistor Value Table to set Output Voltage of Buck Converter IC

Application Note

Thermal Resistance

Application Note

PCB Layout Techniques of Buck Converter

Application Note

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

Application Note

Calculation of Power Loss (Synchronous)

Application Note

Considerations for Power Inductors Used for Buck Converters

Application Note

Snubber Circuit for Buck Converter IC

Application Note

Efficiency of Buck Converter