bd9e105fp4-z是一款内置低导通电阻功率mosfet的单通道同步整流降压型dc-dc转换器。利用轻负载模式控制,可提高轻负载时的效率,因此非常适用于需要降低待机功耗的设备。该产品还采用内置相位补偿单元的电流模式控制方式,并采用小型封装,实现了高功率密度,并可缩小pcb上的footprint尺寸。

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* 本产品是标准级的产品。
本产品不建议使用于车载设备。
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主要规格

 
型号 | bd9e105fp4-ztl
status | 推荐品
封装 | tsot23-6l
包装数量 | 3500
最小独立包装数量 | 3500
包装形态 | taping
rohs |

特性:

ch

1

integrated fet / controller

integrated fet

topology

buck

synchronous / nonsynchronous

synchronous

vin1(min.)[v]

4.5

vin1(max.)[v]

28

vout1(min.)[v]

0.7

vout1(max.)[v]

22

iout1(max.)[a]

1

sw frequency(max.)[mhz]

0.5

light load mode

yes

en

yes

pgood

no

operating temperature (min.)[°c]

-40

operating temperature (max.)[°c]

85

package size [mm]

2.9x2.8 (t=0.95)

特点:

  • single synchronous buck dc/dc converter
  • light load mode control
  • efficiency = 80%(@iout = 10ma, vin = 24v, vout = 5v)
  • internal phase compensation
  • over voltage protection (ovp)
  • over current protection (ocp)
  • short circuit protection (scp)
  • thermal shutdown protection (tsd)
  • under voltage lockout protection (uvlo)
  • reduced external diode
  • tsot23-6l package

reference design / application evaluation kit

 
    • evaluation board - bd9e105fp4-evk-001
    • input 12v to 24v → output 5v, 1a
      this evk has been developed for rohm’s synchronous buck dc/dc convertercustomers evaluating bd9e105fp4-z.

  • user guide
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