L4973D3.3
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- Mfr.Part #
- L4973D3.3
- Manufacturer
- STMicroelectronics
- Package / Case
- 20-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC REG BUCK ADJ/3.3V 3.5A 20SO
- Stock
- 7,889
- In Stock ：
- 7,889
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- Manufacturer :
- STMicroelectronics
- Product Category :
- Voltage Regulators - DC DC Switching Regulators
- Output Voltage :
- 50V
- Lead Free :
- Lead Free
- Output Type :
- Adjustable (Fixed)
- Factory Lead Time :
- 25 Weeks
- Mount :
- Surface Mount
- Frequency - Switching :
- 100kHz~300kHz
- Max Output Current :
- 3.5A
- Operating Supply Voltage :
- 55V
- Number of Pins :
- 20
- Base Part Number :
- L4973
- Control Mode :
- VOLTAGE-MODE
- Function :
- Step-Down
- Min Output Voltage :
- 500mV
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Min Supply Voltage :
- 8V
- Topology :
- Buck
- Number of Outputs :
- 1
- ECCN Code :
- EAR99
- Length :
- 13mm
- Output Configuration :
- Positive
- Mounting Type :
- Surface Mount
- Height :
- 2.35mm
- Analog IC - Other Type :
- SWITCHING REGULATOR
- Terminal Form :
- Gull wing
- Nominal Supply Current :
- 16mA
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- JESD-609 Code :
- e4
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Control Technique :
- PULSE WIDTH MODULATION
- Number of Terminations :
- 20
- Width :
- 7.6mm
- RoHS Status :
- ROHS3 Compliant
- Terminal Position :
- Dual
- Operating Temperature :
- -40°C~150°C TJ
- Lifecycle Status :
- ACTIVE (Last Updated: 6 months ago)
- Input Voltage-Nom :
- 24V
- Peak Reflow Temperature (Cel) :
- 250
- Efficiency :
- 85 %
- Voltage - Output (Min/Fixed) :
- 0.5V 3.3V
- Max Output Voltage :
- 50V
- Voltage - Output (Max) :
- 50V
- Synchronous Rectifier :
- No
- Packaging :
- Tube
- Package / Case :
- 20-SOIC (0.295, 7.50mm Width)
- REACH SVHC :
- No SVHC
- Datasheets
- L4973D3.3
L4973D3.3 Documents
Voltage Regulators - DC DC Switching Regulators STMicroelectronics L4973D3.3 Overview
The Voltage Regulators - DC DC Switching Regulators STMicroelectronics L4973D3.3 is a versatile and efficient adjustable buck regulator, designed by STMicroelectronics, one of the industry leaders in semiconductor technologies. This device offers a seamless solution for converting higher voltage levels down to a lower voltage while maintaining a high efficiency and reliability. The L4973D3.3 can be adjusted or fixed to 3.3V, catering to a diverse range of electronic applications. Its ability to handle up to 3.5A of current makes it an excellent choice for high-performance uses where space and energy efficiency are critical.
L4973D3.3 Features
This adjustable buck regulator boasts numerous features that enhance its applicability and reliability in various electronic circuits. Key features include high efficiency with a switching frequency up to 300 kHz, which allows for smaller component sizes thanks to reduced values for inductors and capacitors. It also includes thermal shutdown and current limit protections to ensure the safety and durability of your electronic designs.
L4973D3.3 Applications
- Consumer Electronics: Used in powering devices like gaming consoles and home entertainment systems, ensuring stable operation and power efficiency.
- Portable Devices: Ideal for battery-operated devices such as portable media players and digital cameras, providing reliable power management and extending battery life.
- Networking Equipment: Employs in routers and switches to manage power supply efficiently, crucial for maintaining system reliability and performance in communication infrastructure.
- Industrial Systems: Applies in automation controllers and sensors, where precise voltage regulation is necessary for accurate data reading and equipment safety.
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