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SPX3819R2-L-3.1/TR

Description
Regulator,
CategoryPower/power management    The power supply circuit   
File Size216KB,13 Pages
ManufacturerSIPEX
Websitehttp://www.sipex.com/
Environmental Compliance
Download Datasheet Parametric View All

SPX3819R2-L-3.1/TR Overview

Regulator,

SPX3819R2-L-3.1/TR Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerSIPEX
Reach Compliance Codeunknown
JESD-609 codee3
Terminal surfaceMatte Tin (Sn)
Base Number Matches1
SPX3819
500mA, Low-Noise LDO Voltage Regulator
FEATURES
Low Noise: 40µV Possible
High Accuracy: 1%
Reverse Battery Protection
Low Dropout: 340mV at Full Load
Low Quiescent Current: 90µA
Zero Off-Mode Current
Fixed Output: 1.2V, 1.5V, 1.8V, 2.5V, 3.0V,
3.1V, 3.3V, 5.0V. Adj. Output also available.
5 Pin SOT-23, 8 Pin Narrow SOIC and 8 pin
2X3 DFN Packages
EN
NC
VIN
NC
1
2
3
4
8
ADJ/BYP
GND
NC
VOUT
SPX3819
8 Pin DFN
7
6
5
Now Available in Lead Free Packaging
APPLICATIONS
Battery Powered Systems
Cordless Phones
Radio Control Systems
Portable/Palm Top/Notebook Computers
Portable Consumer Equipment
Portable Instrumentation
Bar Code Scanners
SMPS Post Regulators
DESCRIPTION
The SPX3819 is a positive voltage regulator with a low dropout voltage and low noise output. In
addition, this device offers a very low ground current of 800µA at 100mA output. The SPX3819 has
an initial tolerance of less than 1% max and a logic compatible ON/OFF switched input. When
disabled, power consumption drops to nearly zero. Other key features include reverse battery
protection, current limit, and thermal shutdown. The SPX3819 includes a reference bypass pin for
optimal low noise output performance. With its very low output temperature coefficient, this device
also makes a superior low power voltage reference.
The SPX3819 is an excellent choice for use in battery-powered applications such as cordless
telephones, radio control systems, and portable computers. It is available in several fixed voltages
-- 1.2V, 1.5V, 1.8V, 2.5V, 3.0V, 3.1V, 3.3V, 5.0V -- or with an adjustable output. This device is offered
in 8 pin NSOIC, 8 pin DFN and 5-pin SOT-23 packages.
V
IN
1
5
V
OUT
TYPICAL APPLICATION CIRCUIT
+
2
+
GND
3
EN
ENABLE may be tied directly to V
IN
SPX3819
4
BYP
(Opt.)
TOP View
Oct 21-06 Rev C
SPX3819 500mA, Low Noise LDO Voltage Regulator
© Copyright 2006 Sipex Corporation
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