L5972 Datasheet PDF - ST Microelectronics

DESCRIPTION

●The L5972D is a step down monolithic power switch ing regulator with a minimum switch current limit of 2A so it is able to deliver more than 1.5A DC current to the load depending on the application conditions.

●The output voltage can be set from 1.235V to 35V.

●■2A INTERNAL SWITCH

●■OPERATING INPUT VOLTAGE FROM 4.4V TO 36V

●■OUTPUT VOLTAGE ADJUSTABLE FROM 1.235V TO 35V

●■LOW DROPOUT OPERATION: 100% DUTY CYCLE

●■250KHz INTERNALLY FIXED FREQUENCY

●■VOLTAGE FEEDFORWARD

●■ZERO LOAD CURRENT OPERATION

●■INTERNAL CURRENT LIMITING

●■PROTECTION AGAINST FEEDBACK DISCONNECTION

●■THERMAL SHUTDOWN

●APPLICATIONS:

●■CONSUMER: STB, DVD, TV, VCR,CAR RADIO, LCD MONITORS

●■NETWORKING: XDSL, MODEMS,DC-DC MODULES

●■COMPUTER: PRINTERS, AUDIO/GRAPHIC CARDS, OPTICAL STORAGE, HARD DISK DRIVE

●■INDUSTRIAL: CHARGERS, CAR BATTERY DC-DC CONVERTERS