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LR1811 Schematic ( PDF Datasheet ) - Unisonic Technologies

Teilenummer LR1811
Beschreibung 1A FAST ULTRA LOW DROPOUT LINEAR REGULATOR
Hersteller Unisonic Technologies
Logo Unisonic Technologies Logo 




Gesamt 6 Seiten
LR1811 Datasheet, Funktion
UNISONIC TECHNOLOGIES CO., LTD
LR1811
Advance
1A FAST ULTRA LOW
DROPOUT LINEAR
REGULATOR
CMOS IC
DESCRIPTION
The UTC LR1811 operate from a +1.5V~+6V input supply as fast
ultra low-dropout linear regulators. Wide output voltage range
options are available. The fast response characteristic to make UTC
LR1811 suitable for low voltage microprocessor application. The low
quiescent current operation and low dropout quality caused by the
CMOS process.
The UTC LR1811 has low dropout voltage. The ground pin
current is typically 80μA.
Output Voltage Precision: Multiple output voltage options are
available and ranging from 1.2V~5.0V at room temperature with a
guaranteed accuracy of ±1.5%, and ±3.0% when varying line and
load.
The output voltage types of UTC LR1811 are fixed one in the IC.
FEATURES
* Low Dropout Voltage
* The Guaranteed Output Current is 1A DC
* Output Voltage Accuracy ± 1.5%
* Over temperature Protection And Over current Protection
ORDERING INFORMATION
Ordering Number
LR1811G-xx-SH2-R
Note: xx: Output Voltage, refer to Marking Information
Package
HSOP-8
Packing
Tape Reel
LR1811G-xx-SH2-R
(1)Packing Type
(2)Package Type
(3)Output Voltage
(4)Green Package
(1) R: Tape Reel
(2) SH2: HSOP-8
(3) xx: Refer to Marking Information
(4) G: Halogen Free and Lead Free
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
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LR1811 Datasheet, Funktion
LR1811
Advance
TYPICAL APPLICATION CIRCUIT
Fixed Output Voltage
CMOS IC
(1) ON/OFF pins must be pulled high through a 10kpull-up resistor.
(2) Generally a series regulator may cause oscillation, depending on the selection of external parts. The following
conditions are recommended for this IC. However, be sure to perform sufficient evaluation under the actual
usage conditions for selection, including evaluation of temperature characteristics.
Input capacitor (CIN): 2.2μF or more
Output capacitor (CL): 2.2μF or more
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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