LM2937IMP-3.3/NOPB National Semiconductor, LM2937IMP-3.3/NOPB Datasheet - Page 4

• 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

National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves
the right at any time without notice to change said circuitry and specifications.
For the most current product information visit us at www.national.com.
LIFE SUPPORT POLICY
NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS
WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR
CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
BANNED SUBSTANCE COMPLIANCE
National Semiconductor manufactures products and uses packing materials that meet the provisions of the Customer Products
Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain
no ‘‘Banned Substances’’ as defined in CSP-9-111S2.
Leadfree products are RoHS compliant.
Physical Dimensions
which, (a) are intended for surgical implant into the body, or
(b) support or sustain life, and whose failure to perform when
properly used in accordance with instructions for use
provided in the labeling, can be reasonably expected to result
in a significant injury to the user.
inches (millimeters) unless otherwise noted (Continued)
SOT-223 3-Lead Plastic Surface Mount Package
Order Number LM2937IMP-2.5, LM2937IMP-3.3,
NS Package Number MA04A
2. A critical component is any component of a life support
device or system whose failure to perform can be reasonably
expected to cause the failure of the life support device or
system, or to affect its safety or effectiveness.