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STMICROELECTRONICS L4971D Power Regulator
The L4971 is a high-efficiency, monolithic step-down switching regulator capable of delivering up to 1.5A with an input voltage range of 8V to 55V. It features an adjustable output from 3.3V to 50V, a precise 3.3V internal reference, and a switching frequency adjustable up to 300kHz. Equipped with pulse-by-pulse current limiting, hiccup short circuit protection, soft-start, thermal shutdown, and feedback loop disconnection protection, it is suitable for power supply and voltage regulation applications. Available in DIP8 and SO16W packages, the device excels in efficiency and thermal performance, ideal for compact electronic designs.
STMICROELECTRONICS L4971D Power Regulator Specifications:
- Input Voltage Range: 8V to 55V
- Output Voltage: Adjustable from 3.3V to 50V
- Maximum Output Current: 1.5A
- Switching Frequency: Up to 300kHz
- Internal Reference Voltage: 3.3V (+1%)
- Peak Load Voltage at t = 0.11s at 200kHz: 5V
- Efficiency: Up to 93%
- Dropout Voltage: 0.44V at 1.5A
- Thermal Resistance Junction to Ambient: Max 90°C/W DIP8, 110°C/W SO16W
- Operating Junction Temperature Range: -40°C to 150°C
- Protection Features: Thermal shutdown, feedback disconnection, short circuit hiccup mode
- Package Types: DIP8, SO16W
Buy the STMicroelectronics Series 7A3 Step Down Switching Regulator: L4971D
Experience reliable voltage regulation with the STMicroelectronics L4971D step-down switching regulator, supporting input voltages up to 55V and delivering up to 1.5A output current. Its adjustable voltage from 3.3V to 50V, combined with features like pulse-by-pulse current limiting, hiccup mode for short-circuit protection, thermal shutdown, and soft-start, make it ideal for compact and efficient power supplies. Available in DIP8 and SO16W packages, it's perfect for technicians seeking high efficiency, thermal stability, and durability in electronic design projects.
Get STMicroelectronics L4971D today—built for precision and long-lasting durability in power regulation applications.
Frequently Asked Questions
Where can I buy STMICROELECTRONICS L4971D?
You can click on the BUY or RFQ button to purchase L4971D from an authorized STMICROELECTRONICS distributor.
How do I troubleshoot issues or seek technical support for part L4971D?
You can download the L4971D datasheet or visit the STMICROELECTRONICS website for support.
Who is the manufacturer of L4971D?
STMICROELECTRONICS