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CS5205A-1 Datasheet PDF : 8 Pages
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CS5205A−1
5.0 A Adjustable Linear
Regulator
The CS5205A−1 linear regulator provides 5.0 A at an adjustable
voltage with an accuracy of ±1%. Two external resistors are used to set
the output voltage within a 1.25 V to 13 V range.
The regulator is intended for use as a post regulator and
microprocessor supply. The fast loop response and low dropout
voltage make this regulator ideal for applications where low voltage
operation and good transient response are important.
The circuit is designed to operate with dropout voltages as low as
1.0 V depending on the output current level. The maximum quiescent
current is only 10 mA at full load.
The regulator is fully protected against overload conditions with
protection circuitry for Safe Operating Area (SOA), overcurrent and
thermal shutdown.
The CS5205A−1 is pin compatible with the LT1084 family of linear
regulators but has lower dropout voltage.
The regulator is available in TO−220−3 and surface mount
D2PAK−3 packages.
Features
• Output Current to 5.0 A
• Output Trimmed to ±1%
• Dropout Voltage 1.15 V @ 5.0 A
• Fast Transient Response
• Fault Protection Circuitry
− Thermal Shutdown
− Overcurrent Protection
− Safe Area Protection
VOUT
VIN
Thermal
Shutdown
Bandgap
Output
Current
Limit
− + Error
Amplifier
Adj
Figure 1. Block Diagram
http://onsemi.com
12 3
123
TO−220−3
T SUFFIX
CASE 221A
D2PAK−3
DP SUFFIX
CASE 418AB
Tab = VOUT
Pin 1. Adj
2. VOUT
3. VIN
MARKING DIAGRAMS
TO−220−3
D2PAK−3
CS5205A−1
AWLYWW
CS5205A−1
AWLYWW
1
1
A
= Assembly Location
WL, L = Wafer Lot
YY, Y = Year
WW, W = Work Week
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 6 of this data sheet.
© Semiconductor Components Industries, LLC, 2006
1
September, 2006 − Rev. 7
Publication Order Number:
CS5205A−1/D
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