L4989MD Datasheet - STMicroelectronics

Low power voltage regulator

L4989MD 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

L4989MD General Description

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.

L4989MD Datasheet (290.61 KB)