UM10512 - SSL2109 reference board

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NXP Semiconductors

Part number	UM10512
Manufacturer	NXP Semiconductors
File Size	1.26 MB
Description	SSL2109 reference board
Datasheet	UM10512 Datasheet
Additional preview pages of the UM10512 datasheet.

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2012.

19 April 2012 2 of 19 datasheet pdf - http://www.DataSheet4U.net/ NXP Semiconductors

enable a driver to operate in Boundary Conduction Mode (BCM) with valley switching where the average current in the inductor is the output current. The SSL2109 turns off the MOSFET when the voltage on pin SOURCE reaches 500 mV. If the value of R4 in parallel with R5 is 1, the peak current is limited to 500 mA. See Equation 1 0.5   R5 + R4  I peak = -------------------------------------R5  R4 (1) When the MOSFET is turned off, inductor L2 is discharged and the current flowing through the ind.

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Published: Apr 23, 2013 |