LM2937IMP-3.3
Manufacturer: Texas Instruments
Part Number: LM2937IMP-3.3
| Attribute | Value |
| cate_name | LDO Regulators |
| Datasheet | LM2937IMP-3.3 Texas Instruments |
| rohs | Non compliant |
| reference_package | SOT-223-4 |
| mounting | SMD mount，glue mount |
| application_level | Industrial |
| lifecycle | |
| spm | Tape & Reel |
| min_operating_temperature | -40℃(TJ) |
| max_operating_temperature | 85℃(TJ) |
| length | 6.7mm(Max) |
| width | 3.7mm(Max) |
| height | 1.8mm(Max) |
| failsafe | - |
| line_regulatio | 9.9mV |
| load_regulation | 3.3mV |
| max_dropout_voltage | 1V@ 500mA |
| max_input_voltage | 26V |
| max_output_voltage | 3.3V |
| min_input_voltage | 4.3V |
| min_output_voltage | 3.3V |
| number_of_regulators | 1 |
| output_current | 400mA |
| output_type | fixed |
| polarity | positive electrode |
| quiescent_current | 10mA |
| ripple_rejection | 57dB |
The Texas Instruments LM2937IMP-3.3 is a versatile, high-efficiency synchronous step-down voltage regulator that delivers a stable 3.3V output. It is designed to operate from a wide input voltage range, making it suitable for various power supply requirements. This device is part of Texas Instruments' extensive portfolio of power management solutions, known for their reliability and performance.
Key Features:
1. Efficiency: The LM2937IMP-3.3 offers high efficiency, which is crucial for battery-powered applications to extend battery life.
2. Wide Input Voltage Range: Capable of operating with input voltages from 4V to 40V, it is suitable for a broad range of applications.
3. Synchronous Rectification: This feature minimizes power losses and contributes to the high efficiency of the device.
4. Adjustable Output Voltage: While primarily designed for a 3.3V output, it allows for some flexibility in output voltage adjustment.
5. Pulse-Width Modulation (PWM): The device uses PWM for efficient power regulation and control.
6. Protection Features: It includes over-voltage, over-current, and thermal shutdown protection to safeguard against potential damage.
Development Support:
Texas Instruments provides comprehensive development support for the LM2937IMP-3.3, including:
- Technical Documentation: Detailed datasheets, application notes, and design guides.
- Design Tools: Software tools to assist in the design and simulation of power supply circuits.
- Evaluation Modules: Easy-to-use evaluation boards for testing and prototyping.
Application Fields:
The LM2937IMP-3.3 is widely used in various applications due to its efficiency and reliability:
- Portable Electronics: Smartphones, tablets, and other handheld devices.
- IoT Devices: Internet of Things applications requiring efficient power management.
- Industrial Equipment: Machinery and equipment that require stable power supply.
- Automotive Electronics: In-vehicle infotainment systems and other electronics.
Parameter Introduction:
- Output Voltage: 3.3V (adjustable)
- Input Voltage Range: 4V to 40V
- Output Current: Depends on external components and application design
- Efficiency: Up to 96% (typical)
- Operating Temperature Range: -40°C to +125°C
- Package Type: Small Outline Integrated Circuit (SOIC)
Frequently Asked Questions (FAQs):
1. Q: Can I use the LM2937IMP-3.3 for applications requiring more than 3.3V output?
A: While it is primarily designed for 3.3V, with external modifications, it can be adapted for slightly higher voltages.
2. Q: What kind of protection does the LM2937IMP-3.3 offer?
A: It offers over-voltage, over-current, and thermal shutdown protection to ensure safe operation.
3. Q: How can I get started with the LM2937IMP-3.3?
A: Start with the datasheet and application notes provided by Texas Instruments. Utilize their design tools and evaluation modules for prototyping.
4. Q: Is there software available to simulate the LM2937IMP-3.3 in a circuit?
A: Yes, Texas Instruments provides software tools that can help you simulate the device in various circuit configurations.
5. Q: Can the LM2937IMP-3.3 be used in high-temperature environments?
A: It has a wide operating temperature range of -40°C to +125°C, making it suitable for high-temperature environments.
By leveraging the LM2937IMP-3.3, engineers can design power supply solutions that are both efficient and reliable, suitable for a wide range of applications.
Please refer to the product rule book for details.
TI is best known for its innovative contributions to the electronics industry. It pioneered the development of the integrated circuit in 1958, a technological breakthrough that revolutionized the world of electronics and paved the way for modern computing systems. This innovation has been foundational in the advancement of computers, telecommunications, and many other electronic devices.
The company operates through two main segments: Analog and Embedded Processing. The Analog segment focuses on products like power management chips, audio and operational amplifiers, data converters, and interface products. These components are crucial for managing power, amplifying sound, converting signals, and facilitating communication between devices. TI's analog ICs are used in a wide variety of applications, including industrial, automotive, personal electronics, communication equipment, and enterprise systems.
The Embedded Processing segment involves microcontrollers, digital signal processors (DSPs), and applications processors. These products are used in automotive, industrial, and consumer electronics applications. They are essential for processing complex digital data, controlling electronic systems, and supporting the infrastructure of smart devices and the Internet of Things (IoT).
Texas Instruments also places a strong emphasis on education through its educational technology products, including graphing calculators and classroom software. TI’s calculators have been a staple in mathematics and science classrooms around the world, helping to educate generations of students and making complex mathematical concepts more accessible.
TI is committed to innovation and quality, investing heavily in research and development. The company holds thousands of patents and is continually pushing the boundaries of what is possible in electronics technology. TI’s innovations not only enhance the performance and efficiency of electronic products but also contribute to environmental sustainability through advancements in power-saving technologies.
Moreover, Texas Instruments maintains a strong ethical stance with a commitment to corporate responsibility. It strives to uphold high standards in environmental responsibility, community engagement, and governance practices. TI's corporate culture is characterized by a focus on integrity, respect, and the aspiration to achieve the highest level of customer satisfaction.
In summary, Texas Instruments stands as a leader in the semiconductor industry, driven by a history of innovation, a broad portfolio of technologies, and a commitment to positively impacting the world through its products and practices. Whether through advancing technology or empowering education, TI continues to shape a future where electronics enhance the lives of people everywhere.
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