LP3856ESX-2.5/NOPB National Semiconductor, LP3856ESX-2.5/NOPB Datasheet - Page 15

IC REG LDO 3A 2.5V TO-263-5

LP3856ESX-2.5/NOPB

Manufacturer Part Number
LP3856ESX-2.5/NOPB
Description
IC REG LDO 3A 2.5V TO-263-5
Manufacturer
National Semiconductor
Datasheet

Specifications of LP3856ESX-2.5/NOPB

Regulator Topology
Positive Fixed
Voltage - Output
2.5V
Voltage - Input
Up to 7V
Voltage - Dropout (typical)
0.39V @ 3A
Number Of Regulators
1
Current - Output
3A (Max)
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
TO-263-5, D²Pak (5 leads + Tab), TO-263BA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Limit (min)
-
Other names
LP3856ESX-2.5
As shown in the figure, increasing the copper area beyond 1
square inch produces very little improvement. The minimum
value for θ
32°C/W.
FIGURE 5. θ
JA
for the TO-263 package mounted to a PCB is
JA
vs Copper (1 Ounce) Area for TO-263
package
20030932
15
Figure 6
TO-263 packages for different ambient temperatures, assum-
ing θ
125°C.
FIGURE 6. Maximum power dissipation vs ambient
JA
is 35°C/W and the maximum junction temperature is
shows the maximum allowable power dissipation for
temperature for TO-263 package
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20030933

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