L4989 - STMicroelectronics

L4989 LOW POWER VOLTAGE REGULATOR

L4989 Low power voltage regulator Features ■ Operating DC supply voltage range 5.6V to 31V ■ Very low quiescent current with watchdog disabled ■ Precision output voltage (3%) ■ Low drop voltage (180mV typ ai Io=150mA) )■ Reset circuit sensing the output voltage down t(sto 1V c■ Programmable reset delay with external ucapacitor d■ Watchdog disable input .

Features

■ Operating DC supply voltage range 5.6V to 31V
■ Very low quiescent current with watchdog disabled
■ Precision output voltage (3%)
■ Low drop voltage (180mV typ ai Io=150mA) )
■ Reset circuit sensing the output voltage down t(sto 1V c
■ Programmable reset delay with external ucapacitor d
■ Watchdog disable input ro
■ Programmable watchdog timer with external Pcapacitor te
■ Thermal shutdown and short circuit protection ole
■ Wide temperature range (Tj = -40°C to 150°C) SO-8 SO-20 ) - ObsTable 1. Device summary ct(sPackage roduSO-8 Obsolete PSO-20 Tube L4989D L4989MD Order codes Tape & ree.