L4989D Datasheet (STMicroelectronics) - Low power voltage regulator

L4989D, Low power voltage regulator

The L4989M and L4989MD are monolithic integrated 5 V voltage regulators with a low drop voltage at currents up to 150 mA.

The output voltage regulating element consists in a p-channel MOS and the regulation is performed regardless of input voltage transients up to 40 V.

The high precision of the out

L4989D Features

* Operating DC supply voltage range 5.6 V to 31 V

* Very low quiescent current with watchdog disabled

* Precision output voltage (3%)

* Low drop voltage (180 mV typ at Io = 150 mA)

* Reset circuit sensing the output voltage down to 1 V

* Programmable reset delay with external