AME, Inc.
AME1084
n
General Description
The AME1084 is a 5A low-dropout positive voltage regu-
lator. It is available in fixed and adjustable output voltage
versions. Overcurrent and thermal protection are integrated
onto the chip. Output current will limit as it reaches the
pre-set current or temperature limit. At full rated output
current the dropout voltage is 1.4V (max.). AME1084
series regulators provide excellent regulation over line,
load and temperature variations.
5A Low Dropout
Positive Voltage Regulator
n
Functional Block Diagram
Input
Current
Limiting
Amplifier
Thermal
Protection
Output
n
Features
l
Low Dropout Voltage ----- 1.4V at 5A
l
Adjustable or 3.3V Fixed Voltage
l
Line Regulation Typically 0.015%
l
Load Regulation Typically 0.05%
l
Adjust Pin (ADJ) Current Less than 90µA
l
Overcurrent Protection
l
Thermal Protection
l
Available in TO-220, TO-263, TO-252
l
All AME’ s Lead Free Products Meet RoHS
Standards
V
IN
Error
Amp.
Bandgap
Reference
ADJ/GND
n
Typical Application
AME1084
GND
V
OUT
n
Applications
l
High Efficiency Linear Regulators
l
Post Regulators for Switching Supplies
l
5V to 3.3V Voltage Converter
l
Battery Charger
10µF Tan
10µF Tan
Load
Rev.N.02
1
AME, Inc.
AME1084
n
Ordering Information (contd.)
Part Number
AME1084ACBT
5A Low Dropout
Positive Voltage Regulator
Marking*
AME1084
ACBT
yyww
AME1084
ACBT
yyww
AME1084
BCBT
yyww
AME1084
BCBT
yyww
AME1084
CCBT
yyww
AME1084
CCBT
yyww
AME1084
DCBT
yyww
AME1084
DCBT
yyww
AME1084
ECBT
yyww
AME1084
ECBT
yyww
AME1084
ACDT-3
yyww
AME1084
ACDT-3
yyww
Output Voltage
ADJ
Package
TO-220-3
Operating Ambient
Temperature Range
0
o
C to 70
o
C
AME1084ACBTZ
ADJ
TO-220-3
0
o
C to 70
o
C
AME1084BCBT
1.5
TO-220-3
0
o
C to 70
o
C
AME1084BCBTZ
1.5
TO-220-3
0
o
C to 70
o
C
AME1084CCBT
2.5
TO-220-3
0
o
C to 70
o
C
AME1084CCBTZ
2.5
TO-220-3
0
o
C to 70
o
C
AME1084DCBT
3.3
TO-220-3
0
o
C to 70
o
C
AME1084DCBTZ
3.3
TO-220-3
0
o
C to 70
o
C
AME1084ECBT
1.8
TO-220-3
0
o
C to 70
o
C
AME1084ECBTZ
1.8
TO-220-3
0
o
C to 70
o
C
AME1084ACDT-3
ADJ
TO-263-3
0
o
C to 70
o
C
AME1084ACDT-3Z
ADJ
TO-263-3
0
o
C to 70
o
C
Note: yyww represents the date code
* A line on top of the first letter represents lead free plating such as AME1084
Please consult AME sales office or authorized Rep./Distributor for the availability of voltage and package type .
4
Rev.N.02
嵌入式系统
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