BD2221G
1ch Small Package High Side Switch ICs for USB Devices and Memory Cards
BD2221G
1ch Small Package High Side Switch ICs for USB Devices and Memory Cards
用于存储卡插槽的高端开关IC对存储卡插槽的供电线具有过电流限制功能。电源开关部内置一个低导通电阻的N MOSFET。另外,内置过温度检测、低电压锁定、软启动功能。
主要规格
特性:
Supply Voltage(Min.)[V]
2.7
Supply Voltage(Max.)[V]
5.5
Current consumption(Typ.)[µA]
110
ON Resistance [mΩ]
160
Channel Number [ch]
1
Control Input Logic
Active Low
Over Current Detect [A]
0.5 to 1.0
Output Turn on Time [ms]
1
Thermal Shut Down
Recovery
Flag Output Delay at Over Current [ms]
15
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
85
Package Size [mm]
2.9x2.8 (t=1.25)
特点:
・内置1路低导通电阻(Typ=160mΩ)的Nch MOSFET电路<・连续输出负载电流500mA
・过电流限制电路(OCD)
・输出锁闭动作
・低电压锁定电路(UVLO)
・热关断(TSD)
・软启动功能
・开路漏极外部通知引脚
・控制输入逻辑“L”灵活
・开关OFF时的逆流防止
・SSOP5封装