LM2673T-3.3
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- Mfr.Part #
- LM2673T-3.3
- Manufacturer
- National Semiconductor
- Package / Case
- TO-220-7 (Formed Leads)
- Datasheet
- Download
- Description
- 5.4A, 280KHZ SWITCHING FREQ-MAX
- Stock
- 1,045
- In Stock ：
- 1,045
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- Manufacturer :
- National Semiconductor
- Product Category :
- Voltage Regulators - DC DC Switching Regulators
- Synchronous Rectifier :
- No
- Input Voltage-Nom :
- 12V
- JESD-609 Code :
- e0
- Number of Outputs :
- 1
- Terminal Position :
- Zig-Zag
- Output Type :
- FIXED
- Package / Case :
- TO-220-7 (Formed Leads)
- Operating Temperature :
- -40°C~125°C TJ
- Output Voltage :
- 3.3V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Control Technique :
- PULSE WIDTH MODULATION
- Output Configuration :
- Positive
- Frequency - Switching :
- 260kHz
- RoHS Status :
- Non-RoHS Compliant
- Control Mode :
- CURRENT-MODE
- Packaging :
- Tube
- Mounting Type :
- Through Hole
- Terminal Finish :
- Tin/Lead (Sn/Pb)
- Function :
- Step-Down
- Pbfree Code :
- No
- Number of Terminations :
- 7
- Min Output Voltage :
- 3.3V
- Voltage - Input (Min) :
- 8V
- Number of Pins :
- 7
- Max Output Current :
- 3A
- Lead Free :
- Contains Lead
- Analog IC - Other Type :
- SWITCHING REGULATOR
- Topology :
- Buck
- ECCN Code :
- EAR99
- Base Part Number :
- LM2673
- Mount :
- Through Hole
- Voltage - Output (Min/Fixed) :
- 3.3V
- Quiescent Current :
- 4.2mA
- Series :
- SIMPLE SWITCHER®
- Operating Supply Voltage :
- 40V
- Datasheets
- LM2673T-3.3
Voltage Regulators - DC DC Switching Regulators National Semiconductor LM2673T-3.3 Overview
The LM2673T-3.3 by National Semiconductor is a standout choice for professionals seeking reliable, high-performance voltage regulation solutions. Designed to handle a significant output load of 5.4A, this DC-DC switching regulator boasts an impressive switching frequency of up to 280kHz. The integration of advanced technology facilitates efficient power management and conversion, making it an ideal component for high-demand applications. The robust design and high-frequency operation minimize the size of external components, thereby reducing the overall solution footprint and cost. This product's versatility and efficiency make it suitable for a wide range of industrial and commercial applications, securing its position as a critical component in power supply design.
LM2673T-3.3 Features
This Voltage Regulator from National Semiconductor incorporates several key features that enhance its appeal for high-power applications. These include a high switching frequency of 280kHz which allows for smaller passive components, thus reducing space and enhancing overall efficiency. Its ability to deliver a continuous 5.4A output makes it suitable for heavy-load conditions. Additionally, the built-in thermal shutdown and current limit protections ensure reliable operation under a wide range of conditions.
LM2673T-3.3 Applications
- Telecommunications Equipment: Utilized in power supply units within telecom infrastructures to manage and stabilize voltage levels, ensuring reliable operation and longevity of other components.
- Portable Devices: Serves as a power regulator for portable electronic devices, providing efficient power conversion that extends battery life while maintaining device performance.
- Automotive Applications: Used in automotive electronics to provide stable voltage in environments subject to fluctuating power and harsh conditions, thus enhancing the reliability and safety of automotive systems.
- Industrial Systems: Integrates into industrial machinery power systems, offering efficient power management to handle high loads and reduce operational costs.
- Consumer Electronics: Employs in various consumer electronics to ensure efficient power usage and to help in achieving more compact device designs with reduced heat generation.
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