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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
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*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
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Copyright © 2005 Unisonic Technologies Co., Ltd
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L1119
MARKING INFORMATION
PACKAGE
VOLTAGE CODE
SOT-223
SOT-89
12 :1.2V
15 :1.5V
18 :1.8V
25 :2.5V
33 :3.3V
50 :5.0V
TO-252
CMOS IC
MARKING
VOLTAGE
CODE
L1119
12 3
LEAD PLATING
PIN CODE
DATE CODE
DATE CODE
L1119
12 3
PIN CODE
VOLTAGE CODE
LEAD PLATING
VOLTAGE
CODE
UTC
L1119
1 23
LEAD PLATING
PIN CODE
DATE CODE
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L1119
BLOCK DIAGRAM
VIN
-+
CMOS IC
VOUT
GND
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L1119
CMOS IC
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
Input Supply Voltage
VIN -0.3 ~ +7.5
V
Output Voltage
Output Current
VOUT
IOUT
-0.3 ~ +7.5
Short Circuit Protected
V
Power Dissipation
Operating Junction Temperature
PD
TOPR
Internally Limited
-40 ~ +125
Storage Temperature
TSTG
-65 ~ +150
Note Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
RECOMMENDED OPERATING RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
Input Supply Voltage
VIN 2.5 ~ 7.0
V
Maximum Operating Current (DC)
IOPR(MAX)
1.5
A
Operating Junction Temperature
TJ -40 ~ +125
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
ELECTRICAL CHARACTERISTICS
(TJ=25°C, VIN =VOUT+1V, IL=10mA, COUT=33µF, unless otherwise specified.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Dropout Voltage (Note)
VD
IL = 150 mA
IL = 1.5 A
38 45
870
mV
Peak Output Current
Ground Pin Current
Output Voltage Tolerance
IPEAK
IGND
VOUT
IL = 150 mA
IL = 1.5 A
10 mA IL 1.5A
VOUT +1 VIN7.0V
2.0 2.5
A
4
5
9
14
mA
-1.5 0 +1.5 %
Line Regulation
Load Regulation
VOUT VOUT+1V<VIN<7.0V
VOUT 10 mA < IL < 1.5 A
0.1 %
1.5 %
SHORT CIRCUIT PROTECTION
Short Circuit Current
ISC
4.5 A
AC PARAMETERS
Output Noise Density
ρN(l/f) f = 120Hz
0.8 µV
Output Noise Voltage
eN
BW = 10Hz – 100kHz
BW = 300Hz – 300kHz
150
100
µV(rms)
Ripple Rejection
VIN = VOUT + 1.5V
RR
COUT =100uF, VOUT = 3.3V
VIN = VOUT + 0.3V
COUT =100uF, VOUT = 3.3V
60
dB
40
OVER TEMPERATURE PROTECTION
Shutdown Threshold
TSHDN
165 °C
Thermal Shutdown Hysteresis
THYS
10 °C
Note: Dropout voltage is defined as the minimum input to output differential voltage at which the output drops 2%
below the nominal value. Dropout voltage specification applies only to output voltages of 2.5V and above. For
output voltages below 2.5V, the drop-out voltage is nothing but the input to output differential, since the
minimum input voltage is 2.5V.
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L1119
TYPICAL CHARACTERISTICS
(VIN=VOUT+1V, VOUT=2.5V, COUT=33µF, IOUT =10mA, CIN=68µF, Ta=25°C.)
CMOS IC
Drop-Out Voltage vs Temperature (IL)
0.25
IL=800mA
0.2
0.15
0.1
0.05
IL=100mA
0
-40 -20 0 20 40 60 80 100 120 140
Temperature ( )
0.00
-0.10
VOUT vs Temperature
-0.20
-0.30
-0.40
-0.50
-0.60
-0.70
-0.80
-0.90
-75 -50 -25 0 25 50 75 100 125
Temperature ( )
Input Voltage vs Output Voltage
3
2.5
2
IL=100mA
1.5
1
IL=800mA
0.5
0
0 1234
VIN (V)
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Drop-Out Voltage vs Temperature (VOUT)
0.225 IOUT=800mA
VOUT=3.3V
0.2
VOUT=2.5V
0.175
0.15
VOUT=5V
0.125
-40 -20 0 20 40 60 80 100 120 140
Temperature ( )
Noise Density
10 VIN=3.5V, VOUT=2.5V, IL=10mA
1.000
0.100
0.010
10
100 1000 10000
F requency (Hz)
100000
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