LP38512MRX-ADJ/NOPB National Semiconductor, LP38512MRX-ADJ/NOPB Datasheet - Page 11

• Manufacturer Part Number: LP38512MRX-ADJ/NOPB
• Description: IC REG LDO 1.5A ADJ 8-PSOP
• Manufacturer: National Semiconductor

Specifications of LP38512MRX-ADJ/NOPB

• Regulator Topology: Positive Adjustable
• Voltage - Output: 0.5 ~ 4.5 V
• Voltage - Input: 2.25 ~ 5.5 V
• Number Of Regulators: 1
• Current - Output: 1.5A (Max)
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-PSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Dropout (typical): -
• Current - Limit (min): -
• Other names: LP38512MRX-ADJ

Figure 5 shows thermal performance for a two layer board
with the DAP soldered to copper area on the of the PCB only.
Package on 2–Layer PCB with Copper Area on Bottom-
FIGURE 4. θ
JA
vs Thermal Via Count for the PSOP-8
Side
30040939
11
Increasing the copper area soldered to the DAP to 1 square
inch of 1 ounce copper, using a dog-bone type layout, will
produce a typical θ
FIGURE 5. θ
on 2–Layer PCB with Copper Area on Top-Side
JA
vs Copper Area for the PSOP-8 Package
JA
rating of 98°C/W.
30040938
www.national.com