Description
APL3550/1 Power-Distribution Switches .
The APL3550/1 series of power switches integrate a
70mΩ N-channel MOSFET power switch, an enable in-
put pin, a fault flag and some protection func.
Features
* 70mΩ (MSOP-8) High Side MOSFET
* Wide Supply Voltage Range: 2.7V to 5.5V
* Current-Limit and Short-Circuit Protections
* Over-Temperature Protection
* Fault Indication Output
* Enable Input
* UL Approved-File No. E328191
* UL-CB Schem
Applications
* Notebook and Desktop Computers
* USB Ports
* High-Side Power Protection Switchs
* MHL Ports
Pin Configurations
Simplified Application Circuit
5V
USB Controller
VIN
VOUT
APL3550A/B/C/D/E/F APL3551A/B/C/D
OCB
EN/ENB
GND
USB Port
GND 1 VIN 2 VIN 3 EN 4
SOP-8/M
