Description
L4989D L4989MD Low power voltage regulator .
The L4989M and L4989MD are monolithic integrated 5 V voltage regulators with a low drop voltage at currents up to 150 mA.
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
Applications
* Table 1. Device summary Package
SO-8 SO-20
Tube L4989D L4989MD
Order codes
Tape and reel L4989D013TR L4989MD013TR
September 2013
This is information on a product in full production. Doc ID 022376 Rev. 2
1/19
www. st. com
1
Contents
Contents
L4989D, L4989MD
1 Block diagram and pin configura
