Fujitsu MB3845, MB3842 manual Diagram, Normal operation, At V in fall

MB3842/MB3845

■DIAGRAM

•Normal operation

5 V

VIN

Hi

EN
EN				Low
	SW OFF	SW ON	SW ON
				5 V
VOUT

IOUT	Overcurrent does not occur
OC					5 V
• At VIN fall
			2.3 V		5 V
VIN	2.1 V
EN					Hi
EN					Low
	SW ON	SW ON		SW ON
					5 V
VOUT

Overcurrent does not occur

IOUT

5 V

OC

= 0 V

Note: The OC pin should be pulled up using a separate power supply and resistance. (This illustration shows pull-up with a separate 5V source.)

(Continued)

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