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
- Input Voltage-Nom :
- 24V
- Control Technique :
- PULSE WIDTH MODULATION
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Terminal Form :
- Gull wing
- Min Output Voltage :
- 500mV
- Packaging :
- Tube
- REACH SVHC :
- No SVHC
- Package / Case :
- 20-SOIC (0.295, 7.50mm Width)
- JESD-609 Code :
- e4
- Output Configuration :
- Positive
- Function :
- Step-Down
- Lifecycle Status :
- ACTIVE (Last Updated: 6 months ago)
- Number of Pins :
- 20
- Number of Terminations :
- 20
- Factory Lead Time :
- 25 Weeks
- Topology :
- Buck
- Voltage - Output (Min/Fixed) :
- 0.5V 3.3V
- Control Mode :
- VOLTAGE-MODE
- Length :
- 13mm
- Base Part Number :
- L4973
- Height :
- 2.35mm
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Operating Temperature :
- -40°C~150°C TJ
- Lead Free :
- Lead Free
- Output Type :
- Adjustable (Fixed)
- Operating Supply Voltage :
- 55V
- Min Supply Voltage :
- 8V
- Mount :
- Surface Mount
- Nominal Supply Current :
- 16mA
- Terminal Position :
- Dual
- Frequency - Switching :
- 100kHz~300kHz
- Max Output Current :
- 3.5A
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Synchronous Rectifier :
- No
- Number of Outputs :
- 1
- Analog IC - Other Type :
- SWITCHING REGULATOR
- Max Output Voltage :
- 50V
- RoHS Status :
- ROHS3 Compliant
- Width :
- 7.6mm
- Voltage - Output (Max) :
- 50V
- Mounting Type :
- Surface Mount
- Peak Reflow Temperature (Cel) :
- 250
- Efficiency :
- 85 %
- ECCN Code :
- EAR99
- Output Voltage :
- 50V
- Datasheets
- L4973D3.3
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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