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PDF L11830 Data sheet ( Hoja de datos )
| Número de pieza | L11830 | |
| Descripción | 3A LOW DROPOUT LINEAR REGULATOR | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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UNISONIC TECHNOLOGIES CO., LTD
L11830
3A LOW DROPOUT LINEAR
REGULATOR
CMOS IC
DESCRIPTION
The UTC L11830 belonged to low quiescent current, low
dropout, linear regulators operated from 2.25V to 6V input and are
guaranteed to deliver 3A. Wide range of preset output voltage
options are available. Built-in low on-resistance transistor provides
low dropout voltage and large output current. The UTC L11830 is
designed and optimized for battery-powered systems to work with
low noise.
The UTC L11830 consumes less than 2μA in shutdown mode.
Other features include ultra low dropout voltage, current limiting
protection, thermal shutdown protection and high ripple rejection
ratio.
FEATURES
* 3A Guaranteed Output Current
* low quiescent current: 60μA (typ.)
* 2μA Shutdown Current
* Short Circuit Current Fold-back
* Low Temperature Coefficient
* Current Limiting Protection
* Thermal Shutdown Protection
* Excellent Line/Load Transient
* SENSE Option Improves Load Regulation
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
L11830L-xx-TQ2-D-R
L11830G-xx-TQ2-D-R
L11830L-xx-TQ2-D-T
L11830G-xx-TQ2-D-T
L11830L-xx-TQ3-A-R
L11830G-xx-TQ3-A-R
L11830L-xx-TQ3-A-T
L11830G-xx-TQ3-A-T
L11830L-xx-TQ5-R
L11830G-xx-TQ5-R
L11830L-xx-TQ5-T
L11830G-xx-TQ5-T
Note: Pin Assignment: I:VIN O:VOUT G:GND S: SHDN
Package
TO-263
TO-263
TO-263
TO-263
TO-263-5
TO-263-5
A: SENSE
Pin Assignment
12345
I GO - -
I GO - -
GO I - -
GO I - -
I SGAO
I SGAO
Packing
Tape Reel
Tube
Tape Reel
Tube
Tape Reel
Tube
www.DataSheet4U.com
www.unisonic.com.tw
Copyright © 2011 Unisonic Technologies Co., Ltd
1 of 6
QW-R502-536.a
1 page  
L11830
CMOS IC
ABSOLUTE MAXIMUM RATING (Ta=25°С)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VIN 7 V
Power Dissipation
TO-263/TO-263-5
PD
Internally limited
mW
Junction Temperature
TJ
+150
°С
Operation Temperature
Storage Temperature
TOPR
TSTG
-40 ~ +125
-65 ~ +150
°С
°С
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.
THERMAL DATA
Junction to Ambient
Junction to Case
PARAMETER
TO-263/TO-263-5
TO-263/TO-263-5
SYMBOL
θJA
θJC
RATINGS
64
4
UNIT
°C/W
°C/W
ELECTRICAL CHARACTERISTICS
(VIN = VOUT + 1V whichever is greater, CIN =0.1µF, COUT =2.2µF(Ceramic), Ta= 25°C, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Input Voltage
Output Voltage Accuracy
VIN
VOUT
Ta＝25°С , IOUT= 1mA ~3A
Ta＝0~85°С, IOUT= 1mA~3A
Note1
-2
-3
6V
2
3
%
Maximum Output Current
Short-Circuit Current Limit
Short-Circuit Current
Ground Pin Current
Dropout Voltage (Note 2 )
Line Regulation
IOUT
ILIMIT
ISC
IGND
VD
ΔVOUT
ΔVIN × VOUT
VOUT>1.2V
VOUT<0.4V
IOUT = 0mA
IOUT= 1mA to 3A
1.5V<=VOUT<=1.8V
IOUT=3A
1.8V<VOUT<2.5V
2.5<=VOUT
VIN=VOUT+VD~6V
3A
4.5 A
1A
60
60
350
µA
1000
700 mV
450
0.08 0.18 %/V
Load Regulation
Output Voltage Noise
ΔVOUT
eN
VIN=VOUT+1V, IOUT=10mA~3A
f=10Hz to100kHz，COUT=2.2μF
0.25
30
1%
µVRMS
Shutdown Supply Current
IOFF SHDN =GND
2 10 µA
Power Supply Rejection
PSRR
IOUT=100mA
COUT=10μF
f=100Hz
f=1kHz
60
45
dB
Shutdown Threshold
Thermal Shutdown
Temperature
VIH
VIL
TSHDN
2 0.4 V
160 °С
Thermal Shutdown Hysteresis
DTSHDN
50
Note: 1. VIN(MIN)= VOUT+ VDROPOUT
2. The dropout voltage is defined as VIN -VOUT, which is measured when VOUT is VOUT(NORMAL) × 98%
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UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 6
QW-R502-536.a
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| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet L11830.PDF ] | |
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