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PDF L1183A Data sheet ( Hoja de datos )
| Número de pieza | L1183A | |
| Descripción | 300mA CMOS LDO | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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UNISONIC TECHNOLOGIES CO., LTD
L1183A
300mA CMOS LDO
Preliminary
CMOS IC
DESCRIPTION
The UTC L1183A is a COMS positive linear regulator. One of it’s
feature is the very low quiescent current typical as low as 30μA and
its dropout voltage is extremely low with 300mA output current.
The internal circuit includes current fold-back to prevent device
failure when the circuit is operated in the bad conditions.
In application, the UTC L1183A needs a low noise, regulated
supply. For stable operation, the output capacitance value should be
2.2μF or more.
The UTC L1183A is an ideal for battery applications, such as
instrumentations, portable electronics, wireless devices, cordless
phones, PC peripherals, and battery powered widgets.
FEATURES
* Accurate To Within 1.5%
* Quiescent Current: 30μA
* With Current Limiting
* Internal Short Circuit Current Fold-Back
* Has Power-Saving Shutdown Mode
* Very Low Temperature Coefficient
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
L1183AL-xx-AF5-R
L1183AG-xx-AF5-R
L1183AL-xx-AG6-R
L1183AG-xx-AG6-R
Note: xx: Output Voltage, refer to Marking Information.
Package
SOT-25
SOT-26
Packing
Tape Reel
Tape Reel
L1183AL-xx-AF5-R
(1) Packing Type
(2) Package Type
(3) Output Voltage Code
(1) R: Tape Reel
(2) AF5: SOT-25, AG6: SOT-26
(3) xx: Refer to Marking Information
(4) Lead Free
(4) L: Lead Free, G: Halogen Free
www.unisonic.com.tw
Copyright © 2014 Unisonic Technologies Co., Ltd
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QW-R502-315.k
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L1183A
Preliminary
CMOS IC
ELECTRICAL CHARACTERISTICS (TA = 25°C, Unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Input Voltage
Line Regulation
Load Regulation
VIN
∆VOUT
VOUT
∆VOUT
VOUT
VIN=VOUT+1~VOUT+2
IOUT=1mA
1.2V≤VOUT≤1.4V
1.4V<VOUT≤2.0V
2.0V<VOUT<4.0V
VIN=VOUT+1~VOUT+1.5V
IOUT=1mA
VOUT=5.0V
IOUT=1mA~300mA
Note1
-0.2
-0.15
-0.1
0.02
-0.1 0.02
-1 0.2
6.5
0.2
0.15
0.1
0.1
1
V
%
%
%
%
%
Output Voltage Accuracy
IOUT=1mA
IOUT=300mA
-1.5 1.5 %
-2.5 2.5 %
Quiescent Current
IQ IOUT=0mA
30 50 µA
Dropout Voltage
VD
IOUT=300mA
VOUT=VO(NOM)-2.0%
1.2V≤VO(NOM)≤2.0V
2.4V<VO(NOM)≤2.8V
2.8V<VO(NOM)≤5.0V
1300
400
300
mV
Power Supply Ripple Rejection
PSRR
IOUT=100mA
COUT=2.2µF
f=100Hz
f=1kHz
f=10kHz
60 dB
50 dB
20 dB
Output Voltage Noise
Output Current
Current Limit
Short Circuit Current (Note2)
Ground Pin Current
Temperature Coefficient of
Output Voltage
eN
IOUT
ILIMIT
ISC
IGND
TCVO
IOUT=10mA,COUT=2.2µF,f=10Hz~100kHz
VOUT>1.2V
VOUT>1.2V
VOUT<0.8V
IOUT=1mA ~300mA
30 µVRMS
300 mA
300 450
mA
150 300 mA
35 µA
30 ppm/°C
EN Input Threshold
VEH VIN=2.7V~6.5V
VEL VIN=2.7V~6.5V
2.0 VIN V
0 0.4 V
EN Input Bias Current
IEH VEN=VIN, VIN=2.7V~6.5V
IEL VEN=0V, VIN=2.7V~6.5V
2.0 µA
0.5 µA
Shutdown Supply Current
ISD VIN=6.5V, VO=0V, VEN<VEL
0.5 1 µA
Shutdown Output Voltage
VSD IO=0.4mA, VEN<VEL
0 0.4 V
Notes:1. VIN(MIN) =VOUT +VD
2. To prevent the short circuit current protection feature from being prematurely activated, the input voltage
must be applied before a current source load is applied.
Notes: 1. VIN(MIN) =VOUT +VD.
2. To prevent the short circuit current protection feature from being prematurely activated, the input voltage
must be applied before a current source load is applied.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 6
QW-R502-315.k
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet L1183A.PDF ] | |
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