L4989 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'L4989' PDF : 19 Pages View PDF
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(s to 1V
c ■ Programmable reset delay with external
u capacitor
d ■ Watchdog disable input
ro ■ Programmable watchdog timer with external
P capacitor
te ■ Thermal shutdown and short circuit protection
ole ■ Wide temperature range (Tj = -40°C to 150°C)
SO-8
SO-20
) - Obs Table 1. Device summary
ct(s Package
rodu SO-8
Obsolete P SO-20
Tube
L4989D
L4989MD
Order codes
Tape & reel
L4989D013TR
L4989MD013TR
November 2008
Rev 3
1/19
www.st.com
19
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