L4970A Datasheet

Switching Regulators


The L4970A is a stepdown monolithic power switching regulator delivering 10A at a voltage variable from 5.1 to 40V.L4970A Features• 10A output current• 5.1V to 40V output vol tage range• 0 to 90% duty cycle range• internal feed-forward line regulation• internal current limiting• precise 5.1V ± 2% on chip reference• reset and power fail functions• input/output sync pin• under voltage lock out with with hys-teretic turn-on• pwm latch for single pulse per period• very high efficiency• switching frequency up to 500Hz


[{"Name":"Switching Frequency","Value":"180 kHz to 220 kHz"},{"Name":"Output Voltage","Value":"40 V"},{"Name":"Output Current","Value":"10 A"},{"Name":"Number of Outputs","Value":"1"},{"Name":"Mounting Style","Value":"Through Hole"},{"Name":"Package / Case","Value":"Multiwatt-15"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information


Littelfuse offers innovative circuit protection solutions. Wherever one looks, Littelfuse is there. Streetlights, office buildings, cars, trucks, factories, computers, heating and cooling systems, electronic games, telecommunications equipment, even the satellites in the sky are protected by Littelfuse circuit protection products.

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