车载用2.7V～5.5V 输入 4A MOSFET内置 1ch同步整流 降压 DC/DC转换器_BD9S400MUF-C
BD9S400MUF-C是内置低导通电阻的功率MOSFET的同步整流降压型DC/DC转换器。最大可输出4A的电流。凭借SLLM™控制，实现轻负载状态的良好效率特性，适用于降低设备的待机功耗。具有2.2MHz高速开关频率，适用于小型电感。具有基于电流模式控制的高速瞬态响应性能，可轻松设定相位补偿。还可与外部脉冲同步。
8-channel power tree Reference Design
For automotive ADAS and Info-Display
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特性：
Grade
Automotive
Common Standard
AEC-Q100 (Automotive Grade)
ch
1
Integrated FET / Controller
Integrated FET
Topology
Buck
Synchronous / Nonsynchronous
Synchronous
Vin1(Min.)[V]
2.7
Vin1(Max.)[V]
5.5
Vout1(Min.)[V]
0.8
Vout1(Max.)[V]
4.4
Iout1(Max.)[A]
4.0
SW frequency(Max.)[MHz]
2.2
Light Load mode
Yes
EN
Yes
PGOOD
Yes
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
125
特点：
- SLLM™ (Simple Light Load Mode) Control
- AEC-Q100 Qualified(Grade 1)
- Single Synchronous Buck DC/DC Converter
- Adjustable Soft Start Function
- Power Good Output
- Input Under Voltage Lockout Protection
- Short Circuit Protection
- Output Over Voltage Protection
- Over Current Protection
- Thermal Shutdown Protection
- Wettable Flank QFN Package