2.7V~5.5V 输入,3A MOSFET内置 1ch同步整流 降压DC/DC转换器 BD9B331GWZ

罗姆的高效率降压开关稳压器BD9B331GWZ是通过2.7V~5.5V的电源线生成0.6V~3.3V等低电压的降压转换器。通过PFM/PWM自动切换,实现了全负载领域的高效化。采用恒定时间控制方式,实现了负载突变时的高速瞬态响应。

型号Status封装包装数量最小独立包装数量包装形态RoHS
BD9B331GWZ-E2供应中UCSP30L130003000TapingYes

BD9B331GWZ 数据手册 Data Sheet

技术特性
GradeStandard
ch1
Integrated FET / ControllerIntegrated FET
Buck / Boost / Buck-Boost / InvertingBuck
Synchronous / NonsynchronousSynchronous
Vin1(Min.)[V]2.7
Vin1(Max.)[V]5.5
Vout1(Min.)[V]0.6
Vout1(Max.)[V]4.4
Iout1(Max.)[A]3.0
SW frequency(Max.)[MHz]1.3
Light Load modeYes
ENYes
PGOODYes
Operating Temperature (Min.)[°C]-40
Operating Temperature (Max.)[°C]85
技术资料下载
产品特点
  • Fast transient response with On time control system.
  • High efficiency for all load range with synchronous rectifier (Nch/Nch FET) and adaptive PFM/PWM system.
  • Adjustable Soft-start function.
  • Thermal and UVLO protection.
  • Short-circuit current protection with pulse count
  • Shutdown function.
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