L4909 Datasheet (STMicroelectronics) - EXTERNALLY ADJUSTABLE MULTIFUNCTION REGULATOR

L4909 - EXTERNALLY ADJUSTABLE MULTIFUNCTION REGULATOR

It is a monolithic Multifunction Voltage Regulator; it contains 3 regulators, (REG1, REG2, REG3) each one with an enable input and a feedback input, to allow the voltage setting via external resistive divider.

BLOCK DIAGRAM REF THERMAL SHUTDOWN EN1 EN2 EN3 6 7 9 + ENABLE CONTROL + REFERENCE GENERA

L4909 EXTERNALLY ADJUSTABLE MULTIFUNCTION REGULATOR s 3 OUTPUTS - Vo1 : output voltage variable from 5 to 12 V; limit current : 1.2 A.

- Vo2 : output voltage variable from 5 to 12 V; limit current : 1.2 A.

- Vo3 : output voltage variable from 5 to 12 V; limit current : 1.2 A.

ENABLE INPUT FOR EACH REGULATOR FEEDBACK INPUT FOR EACH REGULATOR SHORT CIRCUIT PROTECTION TO GROUND OVERCURRENT WARNING DRIVER FOR EXTERNAL SCR (CROWBAR PROTECTION) THERMAL SHUTDOWN Each regulator is current limited and f

L4909 Datasheet - STMicroelectronics

L4909 - EXTERNALLY ADJUSTABLE MULTIFUNCTION REGULATOR

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