BL2555

产品特点
技术文档

Features	VIN	IQ	Current Limit Threshold	Power Switch On Resistance	Package	Application	Reference
1CH ADJ Current-Limited Power Distribution Switch	2.4~5.5V	15μA	Max. 2000mA	80mΩ	SOT23-5	STB Wi-Fi Router/AP	SY6280

Power Distribution Switch

The BL2555 Power Distribution Switch features internal current limiting to prevent damage to host devices due to faulty load conditions. The BL2555 develops ultra-low on-resistance switch with programmable current limiting to protect the power source from over current and short circuit conditions. It integrates the over temperature protection and discharges the output capacitor during the shutdown. In case the output is pulled higher than the input voltage under the shutdown, the BL2555 can block the current flowing from the output to the input.

优势特点

Single-Channel Power Distribution Switch
Programmable Current Limit in 0.4A~2A Output Current
Enable polarity: Active High
2.4V to 5.5V Supply Range
Under-Voltage Lockout
Accurate Current Limit
15μA Quiescent Current
80mΩ MOSFET
Thermal-Shutdown Protection
Built-In Soft Start
Reverse Current Blocking (No Body Diode)
Available in SOT23-5 Package

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