Fujitsu MB3845, MB3842 manual Application Example

MB3842/MB3845

■APPLICATION EXAMPLE

(1) Dual-Port Self-Powered Hub Application (NON-GANG Mode Connection)

USB 5 V Controller

Overcurrent

ON/OFF

Power Supply

5 V

MB3842/MB3845
EN1,EN1	GND
SS1	OC1
CS1	OUT1
VIN1	OUT1
	USB
	Port 1
VIN1	OUT1
VIN2	OUT2
	USB
	Port 2
VIN2	OUT2
CS2	OUT2
SS2	OC2
EN2,EN2	GND

*The MB3842 can also be adapted for use with 3.3V controllers.

USB Port 500mA MAX Par Port

Smoothing capacitors should be placed between VIN and GND, or between OUT and GND as required.

15