LP2995MR National Semiconductor, LP2995MR Datasheet - Page 9

Voltage Regulator IC

LP2995MR

Manufacturer Part Number
LP2995MR
Description
Voltage Regulator IC
Manufacturer
National Semiconductor
Datasheets

Specifications of LP2995MR

No. Of Pins
8
Peak Reflow Compatible (260 C)
No
Supply Voltage Max
5V
Leaded Process Compatible
No
Package / Case
8-PSOP
Output Current Max
1500A
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LP2995MR/NOPB
Manufacturer:
NS/国半
Quantity:
20 000
Part Number:
LP2995MRX
Manufacturer:
NS/国半
Quantity:
20 000
Part Number:
LP2995MRX/NOPB
Manufacturer:
NXP
Quantity:
11 932
Part Number:
LP2995MRX/NOPB
Manufacturer:
NS/国半
Quantity:
20 000
Typical Application Circuits
The typical application circuit used for SSTL-2 termination
schemes with DDR-SDRAM can be seen in Figure 5.
For SSTL-3 and other applications it may be desirable to
change internal reference voltage scaling from VDDQ * 0.5.
An external resistor in series with the VDDQ pin can be used
to lower the reference voltage. Internally two 50 kΩ resistors
Another application that is sometimes required is to increase
the V
This can be accomplished independently of V
TT
output voltage from the scaling factor of VDDQ * 0.5.
FIGURE 5. SSTL-2 Implementation
FIGURE 6. SSTL-3 Implementation
REF
by using a
FIGURE 7.
9
set the output V
a 11.1 kΩ external resistor will change the internal reference
voltage causing the two outputs to track VDDQ * 0.45. An
implementation of this circuit can be seen in Figure 6.
resistor divider network between V
An example of this circuit can be seen in Figure 7.
TT
to be equal to VDDQ * 0.5. The addition of
20039306
20039307
20039303
TT
, V
SENSE
and Ground.
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