bd9e105fp4-凯发k8一触即发
4.5v~28v输入 1.0a 内置mosfet 单通道 同步整流降压型dc-dc转换器
bd9e105fp4-z
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。
* 本产品是标准级的产品。
本产品不建议使用于车载设备。
本产品不建议使用于车载设备。
主要规格
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 |
---|