LM2937IMP-3.3/NOPB National Semiconductor, LM2937IMP-3.3/NOPB Datasheet - Page 2

• Manufacturer Part Number: LM2937IMP-3.3/NOPB
• Description: IC REG 400MA SOT223-3
• Manufacturer: National Semiconductor
• Type: Voltage Regulatorr

Specifications of LM2937IMP-3.3/NOPB

• Regulator Topology: Positive Fixed
• Voltage - Output: 3.3V
• Voltage - Input: Up to 26V
• Voltage - Dropout (typical): 0.11V @ 50mA
• Number Of Regulators: 1
• Current - Output: 400mA
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: SOT-223 (3 leads + Tab), SC-73, TO-261
• Current, Output: 500 mA
• Current, Supply: 10 mA
• Package Type: SOT-223
• Regulation, Line: 9.9 mV
• Regulation, Load: 3.3 mV
• Regulator Type: Positive Voltage Out
• Resistance, Thermal, Junction To Case: 3 °C/W
• Temperature, Operating, Range: -40 to +125 °C
• Voltage, Input: 26 V
• Voltage, Noise: 99 μV
• Voltage, Output: 3.3 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device
• Other names: LM2937IMP-3.3; LM2937IMP-3.3TR

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Connection Diagrams and Ordering Information
The small physical size of the SOT-223 package does not allow sufficient space to provide the complete device part number. The actual devices will be labeled with
the package markings shown.
−40˚C ≤ T
−40˚C ≤ T
SOT-223 Package
Markings
Temperature
Range
A
A
≤ 125˚C
≤ 85˚C
LM2937IMP-2.5
LM2937ES-2.5
LM2937ET-2.5
L68B
2.5
Output Voltage
2
LM2937IMP-3.3
LM2937ES-3.3
LM2937ET-3.3
L69B
3.3
(Continued)
Package
Drawing
MA04A
TS3B
T03B
NSC
Package
SOT-223
TO-263
TO-220