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PDF AME8803GEEY Data sheet ( Hoja de datos )
| Número de pieza | AME8803GEEY | |
| Descripción | 300mA CMOS LDO | |
| Fabricantes | Analog Microelectronics | |
| Logotipo |  |
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Analog Microelectronics, Inc.
AME8803/8814
300mA CMOS LDO
n General Description
The AME8803 family of positive, linear regulators fea-
ture low quiescent current (30µA typ.) with low dropout
voltage, making them ideal for battery applications. The
space-saving SOT-23-6 package is attractive for
"Pocket" and "Hand Held" applications.
These rugged devices have both Thermal Shutdown,
and Current Fold-back to prevent device failure under
the "Worst" of operating conditions.
An additional feature is a "Power Good" detector, which
pulls low when the output is out of regulation. In appli-
cations requiring a low noise, regulated supply, place a
1000pF capacitor between Bypass and ground.
The AME8803 is stable with an output capacitance of
2.2µF or greater.
n Functional Block Diagram
IN
Overcurrent
Shutdown
EN
BYP
PG
Thermal
Shutdown
Vref x110%
AMP
OUT
R1
n Features
l Very Low Dropout Voltage
l Guaranteed 300mA Output
l Accurate to within 1.5%
l 30µA Quiescent Current
l Over-Temperature Shutdown
l Current Limiting
l Short Circuit Current Fold-back
l Noise Reduction Bypass Capacitor
l Power Good Detector
l Power-Saving Shutdown Mode
l Space-Saving SOT-26 (SOT-23-6)
l Factory Pre-set Output Voltages
l Low Temperature Coefficient
n Applications
l Instrumentation
l Portable Electronics
l Wireless Devices
l Cordless Phones
l PC Peripherals
l Battery Powered Widgets
l Electronic Scales
n Typical Application
IN
EN PG
INAME8803
BYP GND OUT
C1 C2
5V 1µF 1nF
OUT
C3
2.2µF
Vref x90%
V ref= 1 . 2 1 5 V
R2
GND
1
1 page  
Analog Microelectronics, Inc.
AME8803/8814
300mA CMOS LDO
n Electrical Specifications
TA = 25 o C unless otherwise noted
P a ra m e te r
Symbol
Test Condition
Min Typ
Input Voltage
Output Voltage Accuracy
VIN
VO
Dropout Voltage
VDROPOUT
Output Current
Current Limit
Short Circuit Current
Quiescent Current
Ground Pin Current
IO
ILIM
ISC
IQ
IGN D
Line Regulation
REGLINE
Load Regulation
REGLOAD
Over Temerature Shutdown OTS
Note 1
IO=1mA
IO=300mA
VO=VONOM -2.0%
1.2V<VO(NOM)<=2.0V
2.0V<VO(NOM)<=2.8V
2. 8V < V O(N OM)
VO>1.2V
VO>1.2V
VO<0.8V
IO=0mA
IO=1mA to 300mA
IO=1mA
VIN=VO+1 to VO+2
VO < 2.0V
2.0V<=VO < 4.0V
4.0V <= Vo
IO=1mA to 300mA
-1.5
300
300
-0.15
-0.1
-0.4
-1
See
chart
450
150
30
35
0.02
0.2
0.2
150
Over Temerature Hysterisis OTH
30
VO Temperature Coefficient TC
Power Supply Rejection
PSRR
IO=100mA
CO=2.2µF
f=1kHz
f= 10k Hz
f=100kHz
30
50
20
15
Output Voltage Noise
f=10Hz to 100kHz
eN IO=10mA
Co=2.2µF
30
EN Input Threshold
EN Input Bias Current
Shutdown Supply Current
Shutdown Output Voltage
Output Under Voltage
VEH
VEL
IEH
IEL
ISD
VO,SD
VUV
VIN=2.7V to 7V
VIN=2.7V to 7V
VEN=VIN, VIN=2.7V to 7V
VEN=0V, VIN=2.7V to 7V
VIN=5V, VO=0V, VEN<VEL
IO=0.4mA, VEN<VEL
2.5V <=Vo <= 5.0V
1.2V <= Vo < 2.5V
2.0
0
0.5
0
Output Over Voltage
VOV
2.5V <=Vo <= 5.0V
1.2V <= Vo < 2.5V
115
125
PG Leakage Current
ILC
PG Voltage Rating
VPG
PG Voltage Low
VOL
Not e1: V I N (m in)= V OU T+ V D R OPOU T
VPG=7V
VO in regulation
ISINK=0.4mA
Max
7
1.5
1300
400
300
300
50
0.15
0.1
0.4
1
Vin
0.4
0.1
0.5
1
0.4
85
75
1
7
0.4
Units
V
%
mV
mA
mA
mA
µA
µA
%
%
%
%
oC
oC
ppm/oC
dB
µVrms
V
V
µA
µA
µA
V
% V O(N OM)
% V O(N OM)
µA
V
V
5
5 Page 
Analog Microelectronics, Inc.
AME8803/8814
300mA CMOS LDO
Quiescent Current vs. Temp.
35
34
33
32
31
30
29
28
27
-45
-5 25 55
Temperature (0C)
85
Shut Down Current vs. Temp.
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
-45
-5 25 55
Temperature (0C)
85
Dropout Voltage vs. Temp.
220
210
200
190
180
170
160
150
-45 -5 25 55 85
Temperature (0C)
Load Regulation vs. Temp.
0.58
0.56
0.54
0.52
0.50
0.48
0.46
0.44
0.42
0.40
-45 -5
25 55
Temperature (0C)
85
EN pin LO bias Current vs. Temp.
-0.20
-0.25
-0.30
-0.35
-0.40
-0.45
-0.50
-45
-5 25 55
Temperature (0C)
85
PG VOL vs. Temp.
0.45
0.40
0.35
0.30
0.25
0.20
0.15
-45 -5
25 55
Temperature (0C)
85
11
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| PDF Descargar | [ Datasheet AME8803GEEY.PDF ] | |
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