BD9D321EFJ
4.5～18V 3.0A MOSFET内置 1ch同步整流降压 DC/DC转换器
BD9D321EFJ
4.5～18V 3.0A MOSFET内置 1ch同步整流降压 DC/DC转换器
BD9D321EFJ是内置低导通电阻的功率MOSFET的同步整流降压型开关稳压器。最大可输出3A的电流。采用轻负载时进行低消耗动作的独创恒定时间控制方式，适用于要降低待机功耗的设备。此外，是恒定时间控制DC/DC转换器，具有高速瞬态响应性能，无需外接的相位补偿电路。
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]
18
Vout1(Min.)[V]
0.765
Vout1(Max.)[V]
7
Iout1(Max.)[A]
3
SW frequency(Max.)[MHz]
0.7
Light Load mode
Yes
EN
Yes
PGOOD
No
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
85
Package Size [mm]
4.9x6 (t=1)
特点：
Synchronous Single DC/DC Converter Constant On-time Control
SLLM™ (Simple Light Load Mode) Control
Over Current Protection
Short Circuit Protection
Thermal Shutdown Protection
Under Voltage Lockout Protection
Adjustable Soft Start
HTSOP-J8 Package (Backside Heat Dissipation)
