L4989
L4989 is LOW POWER VOLTAGE REGULATOR manufactured by STMicroelectronics.
Features
- Operating DC supply voltage range 5.6V to 31V
- Very low quiescent current with watchdog disabled
- Precision output voltage (3%)
- Low drop voltage (180m V typ ai Io=150m A)
)- 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
)
- Obs Table 1. Device summary ct(s Package rodu SO-8
Obsolete PSO-20
Tube L4989D L4989MD
Order codes
Tape & reel L4989D013TR L4989MD013TR
November 2008
Rev 3
1/19
.st.
Contents
Contents
1 Block diagram and pin configuration
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- . . 5
2 Electrical specifications
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- . . . 7
2.1 Absolute maximum ratings . . ....
