CP1084
5A Dropout Linear Regulator
General Description
The
CP1084
is a series of low dropout positive voltage
regulators with a maximum dropout of 1.5V at 5A of
load current.
The series features on-chip thermal limiting which pro-
vides protection against any combination of overload
and ambient temperatures that would create excessive
junction temperatures. It also includes a trimmed band-
gap reference and a current limiting circuit.
The
CP1084
is available in 1.5V, 1.8V, 2.5V,
3.3V,
and 5.0Vversions. The fixed versions integrate
the
adjust resistors. It is also available in an adjustable
version which can set the output voltage with two
external resistors.
The
CP1084
series is available in standard packages of
TO-263-2L, TO-252.
Features
·
·
·
·
·
·
·
Low Dropout Voltage: 1.3V Typically at 5A
Current Limiting and Thermal Protection
Output Current: 5A
Current Limit: 6.5A
Operating Junction Temperature Range:
0 to 125
o
C
Line Regulation: 0.015% (Typical)
Load Regulation: 0.2% (Typical)
Applications
·
·
·
·
·
High Efficiency Linear Regulators
Battery Chargers
Post Regulation for Switching Supply
Microprocessor Supply
Desktop PCs, RISC and Embedded Processors'
Supply
TO-263-2L
Figure 1. Package Types of
CP1084
TO-252
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: server@ceramate.com.tw
Tel:886-3-3214525
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CP1084
5A Dropout Linear Regulator
Pin Configuration
D Package
(TO-252)
1
INPUT
S Package
(TO-263-2L)
3
INPUT
OUTPUT (TAB)
ADJ/GND
2
OUTPUT
2
ADJ/GND
1
1
Figure 2. Pin Configuration of
CP1084
(Top View)
Functional Block Diagram
INPUT
Thermal
Protection
-
+
OUTPUT
A1
A2
For Adjustable Output, disconnect A1 and A2, connect B
For Fixed Output, connect A1 and A2, disconnect B
B
ADJ/
GND
Figure 3. Functional Block Diagram of
CP1084
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: server@ceramate.com.tw
Tel:886-3-3214525
Http: www.ceramate.com.tw
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Rev 1.0 Jul.6, 2004
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CP1084
5A Dropout Linear Regulator
Order Information
Package
Temperature
Range
Part Number
CP1084 ADJ-A
CP1084 1.5-A
TO-252
CP1084 1.8-A
CP1084 2.5-A
CP1084 3.3-A
0
℃
~125
℃
CP1084 5.0-A
CP1084 ADJ-C2
CP1084 1.5-C2
TO-263-2L
CP1084 1.8-C2
CP1084 2.5-C2
CP1084 3.3-C2
CP1084 5.0-C2
Marking
CP1084 ADJ
CP1084 1.5
CP1084 1.8
CP1084 2.5
CP1084 3.3
CP1084 5.0
CP1084 ADJ
CP1084 1.5
CP1084 1.8
CP1084 2.5
CP1084 3.3
CP1084 5.0
CP1084 XXX – X X
BLANK: Tube
A: Taping Reel
A: TO-252
C2: TO-263-2L
ADJ: Adjustable Output
1.5V: Fixed Output 1.5V
1.8V: Fixed Output 1.8V
2.5V: Fixed Output 2.5V
3.3V: Fixed Output 3.3V
5.0V: Fixed Output 5.0V
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: server@ceramate.com.tw
Tel:886-3-3214525
Http: www.ceramate.com.tw
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Rev 1.0 Jul.6, 2004
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CP1084
5A Dropout Linear Regulator
Absolute Maximum Ratings (Note 1)
Parameter
Operating Junction Temperature Range
Storage Temperature Range
Lead Temperature (Soldering, 10 sec.)
ESD (Human Body Model)
Symbol
T
J
T
S
T
LEAD
ESD
-65
Min
Max
150
150
300
2000
Unit
o
C
o
C
C
o
V
Note 1: Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the
device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond
those indicated under"Recommended Operating Conditions" is not implied. Exposure to "Absolute Maximum
Ratings" for extended periods may affect device reliability.
Recommended Operating Conditions
Parameter
Input Voltage
Operating Junction Temperature Range
Symbol
V
IN
T
J
0
Min
Max
12
125
Unit
V
o
C
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: server@ceramate.com.tw
Tel:886-3-3214525
Http: www.ceramate.com.tw
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Rev 1.0 Jul.6, 2004
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CP1084
5A Dropout Linear Regulator
Electrical Characteristics
Typical and appearing in normal type apply for TJ=25℃. Limits appearing in Boldface type apply over the entire
operating junction temperature range.
Parameter
Symbol
Conditions
CP1084-ADJ,
I
OUT
=10mA, V
IN
-V
OUT
=3V,
10mA≦I
OUT
≦5A,
1.5V≦V
IN
-V
OUT
≦5V
CP1084-1.5,
I
OUT
=0mA, V
IN
=4.5V,
10mA≦I
OUT
≦5A,
3.4V≦V
IN
≦6V
CP1084-1.8,
I
OUT
=0mA, V
IN
=4.8V,
10mA≦I
OUT
≦5A,
3.4V≦V
IN
≦6V
CP1084-2.5,
I
OUT
=0mA, V
IN
5.5V,
10mA≦I
OUT
≦5A,
4.1V≦V
IN
≦7V
CP1084-3.3,
I
OUT
=0mA, V
IN
6.3V,
10mA≦I
OUT
≦5A,
4.9V≦V
IN
≦8V
CP1084-5.0,
I
OUT
=0mA, V
IN
8V,
10mA≦I
OUT
≦5A,
6.6V≦V
IN
≦10V
CP1084-ADJ,
I
OUT
=10mA, 2.85V≦V
IN
≦10V
CP1084-1.5,
I
OUT
=10mA, 3.1V≦V
IN
≦10V
CP1084-1.8,
I
OUT
=10mA, 3.4V≦V
IN
≦10V
Line Regulation
△V
OUT
CP1084-2.5,
I
OUT
=10mA, 4.1V≦V
IN
≦10V
CP1084-3.3,
I
OUT
=10mA, 4.9V≦V
IN
≦10V
CP1084-5.0,
I
OUT
=10mA, 6.6V≦V
IN
≦10V
1
6
mV
Min.
Typ.
Max.
Unit
Reference Voltage
V
REF
1.225
1.250
1.270
V
1.47
1.5
1.53
V
1.764
1.8
1.836
V
Output Voltage
V
OUT
2.45
2.5
2.55
V
3.234
3.3
3.366
V
4.9
5
5.1
V
0.035
0.2
%
1
6
mV
1
6
mV
1
6
mV
1
10
mV
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: server@ceramate.com.tw
Tel:886-3-3214525
Http: www.ceramate.com.tw
Page 5 of 11
Rev 1.0 Jul.6, 2004
Fax:886-3-3521052
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