FAN1587A Fairchild Semiconductor, FAN1587A Datasheet
FAN1587A
Manufacturer Part Number
FAN1587A
Description
3A Adjustable/Fixed Low Dropout Linear Regulator
Manufacturer
Fairchild Semiconductor
Datasheet
1.FAN1587A.pdf
(14 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
FAN1587ADX
Manufacturer:
FAIRCHILD/仙童
Quantity:
20 000
Company:
Part Number:
FAN1587AM33
Manufacturer:
TI
Quantity:
255
Company:
Part Number:
FAN1587AM33X
Manufacturer:
Fairchild
Quantity:
7 825
Part Number:
FAN1587AMX
Manufacturer:
FAIRCHILD/仙童
Quantity:
20 000
Features
• Fast transient response
• Low dropout voltage at up to 3A
• Load regulation: 0.05% typical
• Trimmed current limit
• On-chip thermal limiting
• Standard TO-220, TO-263, TO-263 center cut,
Applications
• Pentium
• Low voltage logic supply
• Post regulator for switching supply
• 12V to 5V linear regulator
• 3.3V to 1.5V linear regulator
Typical Applications
FAN1587A
3A Adjustable/Fixed Low Dropout Linear Regulator
Pentium is a registered trademark of Intel Corporation.
and TO-252 packages
®
Class GTL+ bus supply
V
V
V
IN = 12V
OUT =
IN = 9V
22 F
22 F
V
REF
(1+R2/R1)+I
+
+
V
V
FAN1587A-3.3
IN
IN
FAN1587A
ADJ
ADJ
GND
*R2
V
V
OUT
OUT
Description
The FAN1587A, FAN1587A-1.5, and FAN1587A-3.3 are low
dropout three-terminal regulators with 3A output current capa-
bility. These devices have been optimized for low voltage
applications including V
response and minimum input voltage are critical. The
FAN1587A is ideal for low voltage microprocessor applica-
tions requiring a regulated output from 1.5V to 3.6V with an
input supply of 12V or less. The FAN1587A-1.5 offers fixed
1.5V with 3A current capability for GTL+ bus V
tion. The FAN1587A-3.3 offers fixed 3.3V current capability
for logic IC operation.
Current limit is trimmed to ensure specified output current and
controlled short-circuit current. On-chip thermal limiting pro-
vides protection against any combination of overload and
ambient temperature that would create excessive junction
temperatures.
The FAN1587A, FAN1587A-1.5, and FAN1587A-3.3 are
available in the industry-standard TO-220, TO-263, TO-263
center cut, and TO-252 (DPAK) power packages.
R1
124
R2
768
+
22 F
3.3V at 3A
+
22 F
9V at 3A
65-1587-16
TT
bus termination, where transient
www.fairchildsemi.com
REV. 1.0.5 11/10/03
TT
termina-
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