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GQ2181 반도체 회로 부품 판매점

CMOS POSITIVE VOLTAGE REGULATOR



GTM 로고
GTM
GQ2181 데이터시트, 핀배열, 회로
www.DataSheet4U.com
ISSUED DATE :2005/12/12
REVISED DATE :
GQ2181
CMOS Po siti ve Vol tag e Regu l ato r
Description
The GQ2181 series of positive, linear regulators feature low quiescent current (50 A typ.) with low dropout
voltage and excellent PSRR, thus making them ideal for Telecommunications and other battery applications.
These rugged devices have both Thermal Shutdown, and Current Fold-back to prevent device failure under
the “Worst” of operating conditions.
As an additional feature, the GQ2181 is stable with an output capacitance of just extended 0.22 F or greater.
Features
Very Low Dropout Voltage
Guaranteed 150mA output
Over-Temperature Shutdown
Current Limiting
Short Circuit Current Fold-back
Excellent PSRR Type 70dB
Noise Reduction Bypass Capacitor
Power-saving Shutdown Mode
Factor Pre-set Output Voltage
Applications
Battery Powered Widgets
Instrumentation
Wireless Devices
PC Peripherals
Portable Electronics
Cordless Phones
Electronic Scales
Cellular Phones
Cameras
Telecommunications
Package Dimensions
Functional Block Diagram
Typical Application Circuit
REF.
A
B
C
D
E
F
Millimeter
Min. Max.
2.70 3.10
2.60 3.00
1.40 1.80
0.30 0.55
0 0.10
0° 10°
REF.
G
H
I
J
K
L
Dimensions
Millimeter
1.90 REF.
1.20 REF.
0.12 REF.
0.37 REF.
0.60 REF.
0.95 REF.
1/5


GQ2181 데이터시트, 핀배열, 회로
ISSUED DATE :2005/12/12
REVISED DATE :
Absolute Maximum Ratings
Parameter
Input Max Voltage
Symbol
VIN
Ratings
6
Unit
V
Output Current
Output Voltage
Operating Ambient Temperature
IOUT
VOUT
Topr
PD/( VIN- VO)
1.5~3.3
-40 ~ +85
mA
V
Junction Temperature
Tj -40 ~ +125
Maximum Junction Temperature
Power Dissipation( T=100 )
Tj Max
PD
150
380
mW
EDS Classification
B
Electrical Characteristics TA=25 unless otherwise noted
(VOUT(T)>2.0V VIN=VOUT(T)+0.5V; VOUT(T) 2.0V VIN=VOUT(T)+1V; VSHDN=VIN, CIN=COUT=1uF)
Parameter
Symbol
Condition
Min
TYP
Max
Unit
Output Voltage
Current Limit
Fold-back Current
VOUT(E)
(Note1)
ILIM
IFB
IO=0.1mA, VOUT(T) 2.0V
IO=0.1mA, VOUT(T)<2.0V
IO=150mA
VO>800mV
VO=0V
-1.0
-1.5
VOUT(T)
(Note2)
-2.0
150 200
- 80
1.0
1.5
2.0
-
-
%
mA
A
Load Regulation
REGLOAD
VOUT>2.0V
IO=0.1 to 150mA VIN=VOUT(T)+0.5V
VOUT 2.0V
VIN=VOUT(T)+1V
-1 0.5
-2 -
1
2
%
Dropout Voltage
Quiescent Current
Ground Pin Current
VDROPOUT
IQ
IGND
IO=150mA
VOUT(T) 2.0V
VO=VOUT(E)-2% 1.8V VOUT(T)<2.0V
1.5V VOUT(T)<1.8V
VIN=5V, IO=0mA
VIN=5V, IO=1mA to150mA
-
-
-
-
-
300 500
700 1000
900 1300
60 -
50 -
mV
A
A
Line Regulation
Input Voltage
Over Temperature Shutdown
Over Temperature Hysterisis
Output Voltage
Temperature Coefficient
Power Supply Rejection
Output Voltage Noise
SHDN Input Threshold
SHDN Input Bias Current
Shutdown Supply Current
Shutdown Output Voltage
REGLINE
VIN
OTS
OTH
TC
PSRR
eN
VSHDNH
VSHDNL
ISD
VO,SD
IO=0.1mA, VOUT>2.0V
VIN=VOUT(T)+0.5V to 5.5V
IO=0.1mA, VOUT 2.0V
VIN=VOUT(T)+1V to 5.5V
-0.2
-0.4
Note3
-
-
-
Ro=100 ,Co=2.2mF, f=1kHz
f=10Hz~100kHz, Io=10mA, Co=2.2 F
VSHDN=0.8* VIN
VSHDN=0.6V
VIN=5V, EN=0v, or 5V
VIN=5V, VO=0V
Output Loading 1200 , Vo=0V
-
-
0.8* VIN
0
-
-
0
0.1
-
-
137
23
30
70
30
-
-
0.01
0.5
-
0.2
%
0.4
5.5 V
-
-
- ppm/
- dB
- Vrms
VIN V
0.6 V
-A
1A
0.4 V
Note 1: VOUT (E) =Effective Output Voltage (i.e. the output voltage when “VOUT(T)>2.0V VIN=VOUT(T)+0.5V; VOUT(T) 2.0V VIN=VOUT(T)+1V;
VSHDN=VIN” is provided at the VIN pin while maintaining a certain IOUT value).
2: VOUT (T) =Specified Output Voltage
3: VIN (MIN) =VOUT+VDROPOUT
2/5




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GQ2181 regulator

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