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Fairchild Semiconductor Electronic Components Datasheet

FAN1585A Datasheet

5A Adjustable/Fixed Low Dropout Linear Regulator

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FAN1585A pdf
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FAN1585A
5A Adjustable/Fixed Low Dropout Linear Regulator
Features
• Fast transient response
• Low dropout voltage at up to 5A
• Load regulation: 0.05% typical
• Trimmed current limit
• On-chip thermal limiting
• Standard TO-220, TO-263 and TO-263 center cut packages
Applications
• AGTL+ bus supply for FC-PGA
• Low voltage logic supply
• Post regulator for switching supply
• 3.3V to 1.5V linear regulator
• 5V to 1.8V linear regulator
Description
The FAN1585A, FAN1585A-1.5, and FAN1585A-1.8 are
low dropout three-terminal regulators with 5A output current
capability. These devices have been optimized for low volt-
age applications including VTT bus termination for FC-PGA,
where transient response and minimum input voltage are
critical. The FAN1585A-1.5 offers fixed 1.5V with 5A
current capabilities for AGTL+ bus VTT termination for
FC-PGA. The FAN1585A is ideal for low voltage micro-
processor applications requiring a regulated output from
1.5V to 3.6V with an input supply of 5V or less, or for
FC-PGA applications with significant trace resistance.
Current limit is trimmed to ensure specified output current
and controlled short-circuit current. On-chip thermal limit-
ing provides protection against any combination of overload
and ambient temperature that would create excessive junc-
tion temperatures.
The FAN1585A series regulators are available in the industry-
standard TO-220, TO-263 and TO-263 center cut power
packages.
Typical Applications
VIN = 3.3V
22µF
+
FAN1585A
VIN VOUT
ADJ
VOUT = VREF(1 + R2/R1) + IAdj • R2
R1
124
1.5V at 5A
+
22µF
R2
24.9
VIN = 3.3V
22µF
+
FAN1585A-1.5
VIN VOUT
GND
1.5V at 5A
+
22µF
REV. 1.1.5 11/7/03


Fairchild Semiconductor Electronic Components Datasheet

FAN1585A Datasheet

5A Adjustable/Fixed Low Dropout Linear Regulator

No Preview Available !

FAN1585A pdf
FAN1585A
PRODUCT SPECIFICATION
Pin Assignments
FAN1585AM-1.5
FAN1585AM-1.8
FRONT VIEW
FAN1585AM
FRONT VIEW
FAN1585AMC-1.5
FAN1585AMC-1.8
FRONT VIEW
FAN1585AMC
FRONT VIEW
FAN1585AT
FRONT VIEW
12 3
Tab is Out.
12 3
12 3
Tab is Out.
12 3
12 3
FAN1585AT-1.5
FAN1585AT-1.8
FRONT VIEW
Tab is Out.
12 3
GND OUT IN
ADJ OUT IN
3-Lead Plastic TO-263
θJC = 3°C/W*
GND
IN
ADJ IN
3-Lead Plastic TO-263 Center Cut
θJC = 3°C/W*
ADJ OUT IN
GND OUT IN
3-Lead Plastic TO-220
θJC = 3°C/W
*With package soldered to 0.5 square inch copper area over backside ground plane or internal power plane, ΘJA can vary from
30°C/W to more than 40°C/W. Other mounting techniques can provide a thermal resistance lower than 30°C/W.
Absolute Maximum Ratings
Parameter
VIN
Operating Junction Temperature Range
Storage Temperature Range
Lead Temperature (Soldering, 10 sec.)
Min.
0
-65
Max.
18
125
150
300
Unit
V
°C
°C
°C
7
6
5
4
3
2
1
0
0 2 4 6 8 10 12 14
VIN–VOUT (V)
Absolute Maximum Safe Operating Area
2 REV. 1.1.5 11/7/03


Part Number FAN1585A
Description 5A Adjustable/Fixed Low Dropout Linear Regulator
Maker Fairchild Semiconductor
Total Page 12 Pages
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