bd9e304fp4-凯发k8一触即发
4.5v～36v输入 3.0a 内置mosfet 单通道 同步整流降压型dc-dc转换器本产品是能够保证向工业设备市场长期供应的产品，而且是非常适用于这些应用领域的产品。bd9e304fp4-lbz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。该产品采用电流模式控制方式，相位补偿设置简单，负载响应性能出色。还通过采用小型封装，实现了高功率密度，并可缩小pcb上的footprint尺寸。
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]
36
vout1(min.)[v]
0.7
vout1(max.)[v]
28
iout1(max.)[a]
3
sw frequency(max.)[mhz]
0.3
light load mode
yes
en
yes
pgood
no
operating temperature (min.)[°c]
-40
operating temperature (max.)[°c]
85
package size [mm]
2.92x2.8 (t=0.95)
特点：
- long time support product for industrial applications
- single synchronous buck dc/dc converter
- light load mode control
- efficiency = 80%(@iout = 10ma,vin = 32v, vout = 5v)
- output capacitor discharge function
- over voltage protection(ovp)
- over current protection(ocp)
- short circuit protection(scp)
- thermal shutdown protection(tsd)
- under voltage lockout protection(uvlo)
- tsot23-8l package
reference design / application evaluation kit
-
- evaluation board - bd9e304fp4-evk-001
12v→1.2v, 3.0a
this evk has been developed for rohm’s synchronous buck dc/dc converter customers evaluating bd9e304fp4.
| user guide |
|---|
-
- evaluation board - bd9e304fp4-evk-002
this evk has been developed for rohm’s synchronous buck dc/dc converter customers evaluating bd9e304fp4-lbz and outputs 12v from 24v input voltage.
| user guide |
|---|
-
- evaluation board - bd9e304fp4-evk-003
this evk has been developed for rohm’s synchronous buck dc/dc converter customers evaluating bd9e304fp4-lbz and outputs 5v from 24v or 12v input voltage.
| user guide |
|---|
