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LD39080PU18R Datasheet(PDF) 1 Page - STMicroelectronics

Part # LD39080PU18R
Description  Ultra low drop BICMOS voltage regulator
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LD39080PU18R Datasheet(HTML) 1 Page - STMicroelectronics

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January 2007
Rev. 1
1/20
20
LD39080
Ultra low drop BICMOS voltage regulator
Feature summary
0.8A Guaranteed output current
Ultra low dropout voltage (150mV typ. @ 0.8A
load, 20mV typ. @150mA load)
Very low quiescent current (1mA typ. @ 0.8A
load, 1µA max @ 25°C in off mode)
Logic-controlled electronic shutdown
Current and thermal internal limit
±1.5% Output voltage tolerance @ 25°C
Fixed and ADJ output voltages: 1.22V, 1.8V,
2.5V, 3.3V, ADJ. (*see order code)
Temperature range: -40 to 125°C
Fast dynamic response to line and load
changes
Stable with ceramic capacitor (see paragraph
7.1, 7.2, 7.3)
Available in PPAK, DPAK and DFN8 (4x4mm)
Typical application
Microprocessor power supply
DSPs power supply
Post regulators for switching suppliers
High efficiency linear regulator
Description
The LD39080 is a fast ultra low drop linear
regulator which operates from 2.5V to 6V input
supply.
A wide range of output options are available. The
low drop voltage, low noise, and ultra low
quiescent current make it suitable for low voltage
microprocessor and memory applications. The
device is developed on a BiCMOS process which
allows low quiescent current operation
independently of output load current.
DFN8 (4x4 mm)
PPAK
DPAK
www.st.com
Order codes
Part numbers
Output voltage
DPAK (T&R)
PPAK (T&R)
DFN (1)
1.
Available on request
LD39080DT12-R
LD39080PU12R
1.22V
LD39080DT18-R
LD39080PT18-R
LD39080PU18R
1.8V
LD39080DT25-R
LD39080PT25-R
LD39080PU25R
2.5V
LD39080DT33-R
LD39080PT33-R
LD39080PU33R
3.3V
LD39080PT-R
LD39080PU-R
ADJ From 1.22 to 5.0V


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