LP3875ET-3.3/NOPB National Semiconductor, LP3875ET-3.3/NOPB Datasheet - Page 15

• Manufacturer Part Number: LP3875ET-3.3/NOPB
• Description: IC REG LDO 1.5A 3.3V TO-220-5
• Manufacturer: National Semiconductor

Specifications of LP3875ET-3.3/NOPB

• Regulator Topology: Positive Fixed
• Voltage - Output: 3.3V
• Voltage - Input: Up to 7V
• Voltage - Dropout (typical): 0.38V @ 1.5A
• Number Of Regulators: 1
• Current - Output: 1.5A (Max)
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: TO-220-5 (Bent and Staggered Leads)
• Number Of Outputs: 1
• Polarity: Positive
• Input Voltage Max: 7 V
• Output Voltage: 3.3 V
• Output Type: Fixed
• Dropout Voltage (max): 0.05 V at 150 mA
• Output Current: 1.5 A
• Line Regulation: 0.02 %
• Load Regulation: 0.06 %
• Voltage Regulation Accuracy: +/- 1.5 %
• Maximum Operating Temperature: + 125 C
• Mounting Style: Through Hole
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -
• Lead Free Status / Rohs Status: Details
• Other names: *LP3875ET-3.3; *LP3875ET-3.3/NOPB; LP3875ET-3.3

Application Hints
The following figures show different layout scenarios for
SOT-223 package.
FIGURE 5. θ
JA
vs Copper(1 Ounce) Area for SOT-223
package
(Continued)
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FIGURE 7. SCENARIO B, θ
FIGURE 6. SCENARIO A, θ
JA
JA
= 148˚C/W
= 125˚C/W
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