Description
The FAN1581, FAN1581-1.2, FAN1581-1.5, and FAN1581- 2.5 are
ultra-low dropout regulators with 5A 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 FAN1581 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 FAN1581-1.5
offers fixed 1.5V with 5A current capabilities for GTL+ bus VTT
termination. Additionally, the FAN1581-1.2 offers fixed 1.2V output
for CPU Bus termination. The FAN1581-2.5 offers fixed 2.5V with 5A
current capability for logic IC operation and processors while
minimizing the overall power dissipation.
Features
• Ultra Low dropout voltage, 0.4V typical at 5A
• 1.2V Versions available for GTL termination
• Remote sense operation
• Fast transient response
• Load regulation: 0.05% typical
• 0.5% typical initial accuracy
• On-chip thermal limiting
• TO-263, TO-252 and TO-220 packages
Applications
• Support of GTL+ bus supply
• Low voltage logic supply
• Embedded Processor supplies
• Split plane regulator
• 2.5V, and 1.8V Logic Families
• DDR Termination Supply
