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FAN1582

Part Number	FAN1582
Manufacturer	Fairchild Semiconductor
Description	3A Adjustable/Fixed Ultra Low Dropout Linear Regulator
Published	Mar 30, 2005
Detailed Description	www.fairchildsemi.com FAN1582 3A Adjustable/Fixed Ultra Low Dropout Linear Regulator Features • • • • • • • Ultra Low d...
Datasheet	FAN1582 PDF File

Overview

www.
fairchildsemi.
com FAN1582 3A Adjustable/Fixed Ultra Low Dropout Linear Regulator Features • • • • • • • Ultra Low dropout voltage, 0.
4V typical at 3A Remote sense operation Fast transient response Load regulation: 0.
05% typical 0.
5% initial accuracy On-chip thermal limiting 5-Pin SPAK, TO-252 DPAK, and TO-263 packages Description The FAN1582, FAN1582-1.
5, and FAN1582-2.
5 are ultra-low dropout regulators with 3A output current capability.
These devices have been optimized for low voltage applications including VTT bus termination, where transient response and minimum input voltage are critical.
The FAN1582 is ideal for low voltage microprocessor applications requiring a regulated output from 1.
3V to 5.
7V with a power input supply of 1.
75V to 6.
5V.
The FAN1582-1.
5 offers ﬁxed 1.
5V with 3A current capabilities for GTL+ bus VTT termination.
The FAN1582-2.
5 offers ﬁxed 2.
5V with 3A current capability for logic IC operation and processors while minimizing the overall power dissipation.
Current limit ensures controlled short-circuit current.
On-chip thermal limiting provides protection against any combination of overload and ambient temperature that would create excessive junction temperatures.
The FAN1582 series regulators are available in the 5-Pin SPAK, TO-252 DPAK, and TO-263 power packages.
Applications • • • • • • • Pentium® Processors PowerPC™, AMD K5 and K6 processors Pentium support of GTL+ bus supply Low voltage logic supply Embedded Processor supplies Split plane regulator New 2.
5V and 1.
8V Logic Families Typical Applications VIN = 3.
3V 10µF VIN = 3.
3V 10µF VCNTL = 5V + VIN VSENSE VCNTL = 5V 1µF 2.
1V at 3A 124Ω 86.
6Ω + 22µF VIN = 5.
75V 10µF VCNTL = 12V + VIN VSENSE + + VIN VSENSE FAN1582–2.
5 VOUT VCNTL GND 2.
5V at 3A + 22µF FAN1582 VOUT VCNTL Adj FAN1582 VOUT VCNTL Adj 124Ω 374Ω + 22µF 5V at 3A Pentium is a registered trademark of Intel Corporation.
PowerPC is a trademark of IBM Corporation.
REV.
1.
1.
2 2/26/03 FAN1582 PRODUCT SPECIFICATION Pin A...

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