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STMICROELECTRONICS L4978 High Efficiency Power Regulator
The L4978 is a high-efficiency, 2A step-down switching regulator capable of operating from 8V to 55V input and delivering adjustable output voltage from 3.3V to 50V. It features precise internal 3.3V reference, switching frequency up to 300kHz, pulse-by-pulse current limiting, hiccup mode for short circuit protection, soft-start, thermal shutdown, and feedback disconnection protection. Suitable for compact power supply designs, it is available in DIP-8 and SO16W packages, offering reliable performance in industrial applications.
STMICROELECTRONICS L4978 High Efficiency Power Regulator Specifications:
- Input Voltage Range: 8V to 55V
- Output Voltage: Adjustable from 3.3V to 50V
- Maximum Output Current: 2A
- Switching Frequency: Up to 300kHz
- Thermal Shutdown Protection
- Pulse-by-Pulse Current Limiting
- Hiccup Mode for Short Circuit Protection
- Soft-Start Function
- Inhibit for Zero Current Consumption
- Protection Against Feedback Disconnection
- Packages Available: DIP-8, SO16W
- Internal Power DMOS Transistor with Rson ~0.25Ω
- Designed in BCD Technology
- Efficiency: Up to 87% at 3.3V output
- Thermal Resistance Junction to Ambient Max: 90°C/W (SMD)
Buy the STMicroelectronics L4978 – Reliable Step Down for Industrial Applications
Order the high-efficiency power regulator online today. This 2A step-down switching regulator offers adjustable output voltage from 3.3V to 50V, input range up to 55V, and features like thermal shutdown, hiccup protection, soft-start, and feedback disconnection protection for reliable industrial applications. Compact in DIP-8 and SO16W packages, it ensures high efficiency up to 87%. Perfect for power supplies, automation, and electronic system designs requiring stable, adjustable, and protected voltage regulation. Purchase now for dependable industrial performance.
Get STMicroelectronics L4978 today—built for precision, high efficiency, and long-lasting durability in industrial power solutions.
Frequently Asked Questions
Where can I buy STMICROELECTRONICS L4978?
You can click on the BUY or RFQ button to purchase L4978 from an authorized STMICROELECTRONICS distributor.
How do I troubleshoot issues or seek technical support for part L4978?
You can download the L4978 datasheet or visit the STMICROELECTRONICS website for support.
Who is the manufacturer of L4978?
STMICROELECTRONICS