LP2995M National Semiconductor, LP2995M Datasheet - Page 10

• Manufacturer Part Number: LP2995M
• Description: Linear Voltage Regulator IC
• Manufacturer: National Semiconductor

Specifications of LP2995M

• No. Of Pins: 8
• Peak Reflow Compatible (260 C): No
• Current Rating: 1.5A
• Output Voltage Max: 1.26V
• Supply Voltage Max: 5V
• Leaded Process Compatible: No
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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PCB Layout Considerations
1. AVIN and PVIN should be tied together for optimal per-
2. GND should be connected to a ground plane with mul-
3. V
formance. A local bypass capacitor should be placed as
close as possible to the PVIN pin.
tiple vias for improved thermal performance.
at the point where regulation is required. For mother-
board applications an ideal location would be at the
SENSE
should be connected to the V
TT
termination bus
10
4. VDDQ can be connected remotely to the VDDQ rail
5. V
center of the termination bus.
input at either the DIMM or the Chipset. This provides
the most accurate point for creating the reference volt-
age.
ceramic capacitor for improved performance. This ca-
pacitor should be located as close as possible to the
V
REF
REF
pin.
should be bypassed with a 0.01 µF or 0.1 µF