BD9E303UEFJ-LB(E2)
7.0V～36V输入、3.0A、内置MOSFET 1ch 同步整流 降压型DC-DC转换器
BD9E303UEFJ-LB(E2)
7.0V～36V输入、3.0A、内置MOSFET 1ch 同步整流 降压型DC-DC转换器
该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。BD9E303EFJ-LB是一款内置低导通电阻功率MOSFET的同步整流降压型开关稳压器。 A Product Change Notice (PCN) is scheduled for this product.
该产品支持的输入电压范围很宽(7V～36V)，并且可以生成5.0V等低电压。由于是电流模式控制的DC-DC转换器，因此具有高速瞬态响应性能，也很容易进行相位补偿设置。
BD9E303UEFJ-LB支持250枚卷盘装小批量供应→BD9E303UEFJ-LBH2
本IC是为提高生产效率而对本系列产品中的BD9E303EFJ-LB变更生产线后形成的型号，在新项目选型时，建议选择该型号，在技术规格书中的保证特性并没有差异。此外，由于文档和设计模型等也没有差异，因此除非另有说明，ROHM将公开BD9E303EFJ-LB的数据。
While there will be no changes to electrical characteristics, certain specifications will be updated.
If you would like evaluation samples, please contact your sales representative or use the "Contact Us" form.
主要规格
特性：
ch
1
Integrated FET / Controller
Integrated FET
Topology
Buck
Synchronous / Nonsynchronous
Synchronous
Vin1(Min.)[V]
7
Vin1(Max.)[V]
36
Vout1(Min.)[V]
1
Vout1(Max.)[V]
28.8
Iout1(Max.)[A]
3
SW frequency setting (Max.)[MHz]
0.3
Light Load mode
No
EN
Yes
PGOOD
No
Operating Temperature (Min.)[°C]
Tj=-40
Operating Temperature (Max.)[°C]
Tj=150
Package Size [mm]
4.9x6.0 (t=1.0)
特点：
- Long Time Support Product for Industrial Applications.
- Synchronous single DC/DC converter.
- Over-Current Protection.
- Short Circuit Protection.
- Thermal Shutdown Protection.
- Under voltage Lockout Protection.
- Soft Start.
- HTSOP-J8 package (Exposed Pad).
参考设计 / 应用评估套件
-
- Evaluation Board - BD9E303EFJ-EVK-001
This EVK is using not BD9E303UEFJ-LB, but BD9E303EFJ-LB. BD9E303EFJ-EVK-001 Evaluation board delivers an output 5.0 volts from an input 7.0 to 36 volts using BD9E303EFJ-LB, a synchronous rectification step-down DC/DC converter integrated circuit, with output current rating of maximum 3A. The output voltage can be set by changing the external parts of circuit and the loop-response characteristics also can be adjusted by the phase compensation circuit.
