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L1119 Schematic ( PDF Datasheet ) - Unisonic Technologies

Teilenummer L1119
Beschreibung LOW DROPOUT REGULATORS
Hersteller Unisonic Technologies
Logo Unisonic Technologies Logo 




Gesamt 7 Seiten
L1119 Datasheet, Funktion
UNISONIC TECHNOLOGIES CO., LTD
L1119
CMOS IC
1.5A LOW DROPOUT
REGULATORS
DESCRIPTION
The UTC L1119 is a fast ultra low-dropout linear regulator that
developed in CMOS process which allows low quiescent current
operation independent of output load current. This CMOS process
also allows the device to operate under extremely low dropout
conditions.
The UTC L1119 allows to operate from a 2.5V~7.0V input supply.
Wide range of preset output voltage options are available and
respond very fast to step changes in load which makes them
suitable for low voltage microprocessor applications.
1
SOT-223
1
TO-252
1
SOT-89
FEATURES
* Low ground current
* Load regulation of 0.04%
* Output current of 1.5A DC is guaranteed
* Accurate output voltage.(± 1.5%)
* Extremely low output capacitor requirements
* Over temperature/ Over current protection
www.DataSheet4U.com
*Pb-free plating product number: L1119L-xx
ORDERING INFORMATION
Order Number
Normal
Lead Free Plating
L1119-xx-AA3-A-R
L1119L-xx-AA3-A-R
L1119-xx-AA3-C-R
L1119L-xx-AA3-C-R
L1119-xx-AB3-A-R
L1119L-xx-AB3-A-R
L1119-xx-AB3-B-R
L1119L-xx-AB3-B-R
L1119-xx-AB3-C-R
L1119L-xx-AB3-C-R
L1119-xx-AB3-D-R
L1119L-xx-AB3-D-R
L1119-xx-TN3-D-R
L1119L-xx-TN3-D-R
L1119-xx-TN3-D-T
L1119L-xx-TN3-D-T
Note: Pin assignment: I: VIN O: VOUT G:GND
Package
SOT-223
SOT-223
SOT-89
SOT-89
SOT-89
SOT-89
TO-252
TO-252
Pin Assignment
12 3
GO
I
GI O
GO
I
OG
I
GI O
I GO
I GO
I GO
Packing
Tape Reel
Tape Reel
Tape Reel
Tape Reel
Tape Reel
Tape Reel
Tape Reel
Tube
L1119L-xx-AA3-A-R
(1)Packing Type
(2)Pin Assignment
(3)Package Type
(4)Output Voltage Code
(5)Lead Plating
(1) R: Tape Reel, T: Tube
(2) refer to Pin Assignment
(3) AA3: SOT-223, AB3: SOT-89, TN3: TO-252
(4) xx: refer to Marking Information
(5) L: Lead Free Plating, Blank: Pb/Sn
www.unisonic.com.tw
Copyright © 2005 Unisonic Technologies Co., Ltd
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QW-R502-051,B






L1119 Datasheet, Funktion
L1119
TYPICAL CHARACTERISTICS(Cont.)
Output Noise Density
10
VOUT=2.5V
1 COUT=33 F
0.1 COUT=68 F
0.01
100
3.6
3.5
3.4
3.3
3.2
2
1000
10000
Frequency (Hz)
100000
Load Transient Response
0
20 s/DIV
Line Transient Response
3.4
3.3
3.2
5.4
4.4
10 s/DIV
CMOS IC
Output Noise Density
10
VOUT=5V
COUT=33 F
1
0.1 COUT=68 F
0.01
100
1000
10000
Frequency (Hz)
100000
90
80
70
60
50
40
30
20
10
0
-10
10
Ripple Rejection vs Frequency
COUT=100 F
IL=10mA
COUT=100 F
IL=800mA
COUT=68 F
IL=10mA
100 1K 10K 100K 1M
Frequency (Hz)
Line Transient Response
3.5
3.3
3.2
5.3
4.3
10 s/DIV
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
6 of 7
QW-R502-051,B

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