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PDF AME8827 Data sheet ( Hoja de datos )
| Número de pieza | AME8827 | |
| Descripción | Low Dropout 1A CMOS Regulator | |
| Fabricantes | Analog Microelectronics | |
| Logotipo |  |
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AME
AME8827
Low Dropout 1A CMOS Regulator
n General Description
The AME8827 family of positive, CMOS linear regula-
tors and provide low dropout voltage (340mV @ 1A) and
excellent PSRR, thus making them ideal for power-sav-
ing systems. These rugged devices have both Thermal
Shutdown, and Current limit to prevent device failure un-
der the "Worst" of operating conditions.
The AME8827 is stable with an output capacitance of
4.7µF or larger.
n Typical Application
VIN
C1
1µF
AME8827
IN OUT
EN GND
VOUT
C2
4.7µF
n Features
l Low Dropout Voltage:340mV @ 1A
l Guaranteed 1A Drive current
l Over-Temperature Shutdown
l Current Limiting protection
l Excellent PSRR : 60dB(typ.)
l Factory Pre-set Output Voltages
l Low Temperature Coefficient
l Input Voltage Range (2.5V - 5.5V)
l Output Voltage Range (1.2V - 3.6V)
l All AME's Green Products Meet RoHS
Standards
n Applications
l Motherboard, Desktop, and Computer
Peripherals
l LCD monitor
l Handheld Device
l Data-communication
n Function Block Diagram
IN
Overcurrent
Shutdown
Thermal
Shutdown
OUT
R1
Bandgap
Reference
R2 GND
Rev.A.11
1
1 page  
AME
AME8827
Low Dropout 1A CMOS Regulator
n Available Options
Part Number
AME8827-AGT120
AME8827-AGT180
AME8827-AGT250
AME8827-AGT330
AME8827-ACS120
AME8827-ACS125
AME8827-ACS180
AME8827-ACS250
AME8827-ACS330
AME8827-BGT120
AME8827-BGT150
AME8827-BGT180
AME8827-BGT250
AME8827-BGT330
AME8827-AHA330
AME8827-BZA330
Marking*
A8827
AKyMXX
A8827
AIyMXX
A8827
AGyMXX
A8827
AByMXX
A8827
BKyMXX
A8827
BRyMXX
A8827
BIyMXX
A8827
BGyMXX
A8827
BByMXX
A8827
EKyMXX
A8827
EJyMXX
A8827
EIyMXX
A8827
EGyMXX
A8827
EByMXX
A8827
FByMXX
A8827
GByMXX
Output
Voltage
1.2V
1.8V
2.5V
3.3V
1.2V
1.25V
1.8V
2.5V
3.3V
1.2V
1.5V
1.8V
2.5V
3.3V
3.3V
3.3V
Package
SOT-223
SOT-223
SOT-223
SOT-223
TO-252-2
TO-252-2
TO-252-2
TO-252-2
TO-252-2
SOT-223
SOT-223
SOT-223
SOT-223
SOT-223
SOP-8
SOP-8/PP
Operating Ambient
Temperature Range
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
Note:
1. The first 2 places represent product code. It is assigned by AME such as AK.
2. y is year code and is the last number of a year. Such as the year code of 2008 is 8.
3. A bar on top of first letter represents Green Part such as A8827.
4. The last 3 places MXX represent Marking Code. It contains M as date code in "month", XX as LN code and
that is for AME internal use only. Please refer to date code rule section for detail information.
5. Please consult AME sales office or authorized Rep./Distributor for the availability of output voltage and package
type.
Rev.A.11
5
5 Page 
AME
AME8827
Low Dropout 1A CMOS Regulator
n Characterization Curve(For reference only)
1. 24
1. 23
1. 22
1. 22
1. 21
1. 20
1. 19
1. 18
1. 18
1. 17
1. 16
-50
VOUT vs. Temperature
VOUT = 1.2V
IOUT = 1mA
-25 0 +25 +50 +75 +100 +125
Temperature (oC)
Quiesent Current vs Temperature
130
120 V OUT = 3.3V
110
100
90
IOUT=1A
80
70 IOUT=1mA
60
50
40
30
- 50
-25
0 +25 +50 +75
Temperature (oC )
+100
+125
Current Limit vs Input Voltage
3500
3300
VOUT = 1.2V
3100
2900
2700
2500
2300
2100
1900
1700
1500
2.5
3.5 4.5
Input Voltage (V)
5.5
Current Limit vs Input Voltage
3500
3300
3100
VOUT = 3.3V
2900
2700
2500
2300
2100
1900
1700
1500
4.3
4.7 5.1
Input Voltage (V)
5. 5
Dropout Voltage vs Load Current
500
VOUT = 3.3V
IOUT = 0mA~1000mA
400
TA=125OC
300
200
100
0
0
Rev.A.11
TA=25OC
TA=-40OC
200 400 600 800
Load Current (mA)
1000
Power Supply Rejection Ratio
100
90
80
70 IOUT=10mA
60
50
40 IOUT=100mA
30
20
VOUT = 3.3V
10
0
1K
10K
100 K
1M
Frequency (Hz)
11
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet AME8827.PDF ] | |
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