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L11810 데이터시트 PDF




Unisonic Technologies에서 제조한 전자 부품 L11810은 전자 산업 및 응용 분야에서
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부품번호 L11810 기능
기능 1A CMOS LOW DROPOUT VOLTAGE
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L11810 데이터시트, 핀배열, 회로
UNISONIC TECHNOLOGIES CO., LTD
L11810
Preliminary
1A CMOS LOW DROPOUT
VOLTAGE
„ DESCRIPTION
As UTC LDO, the features of the UTC L11810 include low
quiescent current and very low dropout voltage.
In order to prevent from the bad operating conditions, there are
internal thermal shutdown and current fold-back. For stably
operation, the UTC L11810 should be connected to an output
capacitance of 2.2μF or larger.
The UTC L11810 is ideal for battery applications, such as
portable electronics, wireless devices, cordless phones, PC
peripherals and battery powered widgets.
„ FEATURES
* Extra low dropout voltage
* Output current: 1A (guaranteed)
* Output voltage accuracy: ±1.5%
* Quiescent current: 30μA
* Internal Over-Temperature shutdown
* With Current limiting
* Internal short circuit current fold-back
* Pre-set output voltages in factory
* Very low temperature coefficient
* Halogen Free
„ ORDERING INFORMATION
Ordering Number
Package
L11810G-xx-AA3-A-R
SOT-223
L11810G-xx-AA3-D-R
SOT-223
Note: Pin Assignment: G:GND O:VOUT I:VIN
xx: Output Voltage, refer to Marking Information.
Pin Assignment
GO
I
I GO
CMOS IC
1
SOT-223
Packing
Tape Reel
Tape Reel
www.DataSheet4U.com
www.unisonic.com.tw
Copyright © 2010 Unisonic Technologies Co., Ltd
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L11810 pdf, 반도체, 판매, 대치품
L11810
Preliminary
CMOS IC
„ ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage
Input ,Output Voltage
VIN 8 V
GND - 0.3 ~ VIN + 0.3
V
Output Current
Power Dissipation
IOUT 1.2 A
PD 900 mW
Junction Temperature
Operating Temperature
TJ
TOPR
125
- 40 ~ +85
°C
°C
Storage Temperature
TSTG
- 65 ~ +150
°C
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
PARAMETER
Junction to Ambient
Junction to Case (Note)
Note: Measure θJC on backside center of tab
SYMBOL
θJA
θJC
RATINGS
120
25
UNIT
°C/W
°C/W
„ ELECTRICAL CHARACTERISTICS (Ta = 25°C, unless otherwise specified.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Input Voltage
Output Voltage Accuracy
Line Regulation
Load Regulation
VIN
VOUT
ΔVOUT
VOUT
ΔVOUT
VOUT
IOUT =1mA
IOUT =1mA,
VIN=VOUT+1~VOUT+2
1.8VVOUT2.0V
2.0V<VOUT<4.0V
VOUT4.0V
IOUT =1mA~1000mA
Note1
-1.5
-0.15
-0.1 0.02
-0.4 0.2
7
1.5
0.15
0.1
0.4
0.4 1.2
V
%
%
%
%
%
Output Current
Current Limit
Short Circuit Current
Quiescent Current
Ground Pin Current
Dropout Voltage
Over Temperature Shutdown
IOUT
ILIMIT
ISC
IQ
IGND
VD
OTS
VOUT1.8V
1000
VOUT1.8V
1100
VOUT<0.8V
400 800
IOUT=0mA
30 50
IOUT =1mA~1000mA
35
IOUT=1A
VOUT=VOUT(NOM)
-2.0%
1.8VVOUT(NOM2.0V
2.0V<VOUT(NOM2.8V
2.8V<VOUT(NOM)
1700
1200
1000
150
mA
mA
mA
µA
µA
mV
mV
mV
°C
Over Temperature Hysteresis
OTH
30 °C
Temperature Coefficient of
Output Voltage
TCVO
30 ppm/°C
Power Supply Ripple
Rejection
PSRR
IOUT=100mA
CO =2.2µF
f=100Hz
f=1kHz
f=10kHz
60 dB
50 dB
20 dB
Output Voltage Noise
eN IOUT=10mA, COUT=2.2μF, f=10Hz~100kHz
30 µVrms
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.
www.DataSheet4U.com
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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