L4989D L4989MD
Low power voltage
regulator
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 capacitor
■ Watchdog disable input
■ Programmable watchdog timer with external capacitor
■ Thermal shutdown and short circuit protection
■ Wide temperature range (Tj = -40°C to 150°C)
Datasheet production data
SO-8
SO-20
Description
The L4989M and L4989MD are monolithic integrated 5 V voltage
regulators with a low drop voltage at currents up to 150 mA.
The outpu...