鈥?/div>
Fast transient response
Low dropout voltage at up to 4.5A
Load regulation: 0.5% typical
On-chip thermal limiting
Standard TO-220, TO-263 center cut, and TO-252
packages
Description
The FAN1084, FAN1084-1.5, and FAN1084-3.3 are low
dropout three-terminal regulators with 4.5A output current
capability. These devices have been optimized for low voltage
applications including V
TT
bus termination, where transient
response and minimum input voltage are critical. The
FAN1084 is ideal for low voltage microprocessor applica-
tions requiring a regulated output from 1.5V to 3.6A with an
input supply of 5V or less. The FAN1084-1.5 offers 鏗亁ed
1.5V with 4.5A current capabilities for GTL+ bus V
TT
termination. The FAN1084-3.3 offers a 鏗亁ed 3.3V output
at 4.5A.
On-chip thermal limiting provides protection against any
combination of overload and ambient temperature that
would create excessive junction temperatures.
The FAN1084 series regulators are available in the industry-
standard TO-220, TO-263 center cut, and TO-252 (DPAK)
power packages.
Applications
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Desktop PCs, RISC and embedded processors鈥?supply
GTL, SSTL logic Reference bus supply
Low voltage V
CC
logic supply
Battery-powered circuitry
Post regulator for switching supply
Cable and ADSL modems鈥?DSP core supply
Set Top Boxes and Web Boxes modules鈥?supply
Application Diagrams
V
IN = 5V
+
10碌F
FAN1084
V
IN
V
OUT
ADJ
124鈩?/div>
+
2.5V at 4.5A
22碌F
124鈩?/div>
V
IN = 3.3V
+
10碌F
FAN1084-1.5
V
IN
V
OUT
GND
+
1.5V at 4.5A
22碌F
REV. 1.0.8 11/10/03
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