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1.5A输出 FET内置型 高效率降压开关稳压器_BU90028NUX

BU9002xNUX为以1MHz的频率工作的小型、高效率降压开关稳压器。
支持最大1.5A(VIN=4.5~5.5V时)的输出电流,最适用于输入为5V以下的各种设备。
根据MODE引脚的逻辑,可自动切换强制PWM模式或PWM/PFM模式。在PFM模式时可减小自消耗电流,提高轻负载时的效率。

* 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
BU90028NUX-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 Synchronous
Vin1(Min.)[V] 2.3
Vin1(Max.)[V] 5.5
Vout1(Min.)[V] 1.175
Vout1(Max.)[V] 1.175
Iout1(Max.)[A] 1.5
SW frequency(Max.)[MHz] 1.0
Light Load mode No
EN Yes
PGOOD No
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
特点:
  • ・ Fast transient response
    ・ Automatic PFM/PWM operation.
    ・ Forced PWM operation
    ・ Internal Soft Start
    ・ Under voltage lockout
    ・ Over current protection
    ・ Thermal shutdown
 
 
 
 
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