BD9227F
1ch 6-20V输入 1A 降压DC/DC转换器
BD9227F
1ch 6-20V输入 1A 降压DC/DC转换器
BD9227F是可对DC风扇电机转速进行高精度控制的电源IC。高频驱动的本IC不仅通过以往分立式零件构成难以实现的输出电压的线性控制实现了电机转速的高精度化控制，还将大的线圈、输出电容器等周边元器件小型化，在与以往相同的构成比下，将占用面积减少了约75%。
主要规格
特性：
ch
1
Integrated FET / Controller
Integrated FET
Topology
Buck
Synchronous / Nonsynchronous
Non-synchronous
Vin1(Min.)[V]
6
Vin1(Max.)[V]
20
Vout1(Min.)[V]
1.512
Vout1(Max.)[V]
20
Iout1(Max.)[A]
1
SW frequency(Max.)[MHz]
1
Light Load mode
No
EN
No
PGOOD
No
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
85
Package Size [mm]
5x6.2 (t=1.71)
特点：
- Wide Operating Input Range 6V to 20V
- 20V/200mΩ Internal Power MOSFET
- 1.0MHz Fixed Operating Frequency
- Current Mode
- Over Current Hiccup Period Protection
- Under Voltage Locked Out (UVLO), Over Voltage Protection (OVP), Thermal Shut Down (TSD)
- Available in SOP8 Package.
