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LD39300PT33-R Scheda tecnica(PDF) 1 Page - STMicroelectronics

Il numero della parte LD39300PT33-R
Spiegazioni elettronici  Ultra low drop BICMOS voltage regulator
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

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January 2007
Rev. 1
1/17
17
LD39300
Ultra low drop BICMOS voltage regulator
Feature summary
3A Guaranteed output current
Ultra low dropout voltage (200mV typ. @ 3A
load, 40mV typ. @600mA load)
Very low quiescent current (1.2mA typ. @ 3A
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 and DPAK
Typical application
Microprocessor power supply
DSPs power supply
Post regulators for switchin suppliers
High efficiency linear regulator
Description
The LD39300 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.
PPAK
DPAK
www.st.com
Order codes
Part numbers
Output voltage
DPAK
PPAK
LD39300DT12-R
1.22V
LD39300DT18-R
LD39300PT18-R
1.8V
LD39300DT25-R
LD39300PT25-R
2.5V
LD39300DT33-R
LD39300PT33-R
3.3V
LD39300PT-R
ADJ From 1.22 to 5.0V


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