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STMICROELECTRONICS L4972A Switching Regulator
The L4972A is a high-efficiency 2A step-down switching regulator designed for microprocessor power supply applications. It features an output voltage range from 5.1V to 40V, internal line regulation, current limiting, thermal shutdown, and a reset/power-fail function. Operating at frequencies up to 200kHz, it uses BCD technology with DMOS transistors for fast switching and high efficiency. Suitable for power supply designs requiring precise voltage regulation, it includes synchronization input, soft start, undervoltage lockout, and diagnostic controls, making it ideal for compact, robust power modules.
STMICROELECTRONICS L4972A Switching Regulator Specifications:
- Output Current: 2A
- Output Voltage Range: 5.1V to 40V
- Switching Frequency: Up to 200kHz
- Thermal Shutdown: Yes
- Undervoltage Lockout: Yes
- Line Regulation: 12-30 mV
- Load Regulation: 7-20 mV
- Dropout Voltage: 0.25-0.4 V
- Efficiency: 75-90%
- Reference Voltage (Pin 13): 5.1V ± 2%
- Input Voltage Range: 15V to 50V
- Pulse-by-Pulse Current Limiting: Yes
- Soft Start Function: Yes
- Reset and Power Fail Functions: Yes
- Synchronization Input: Yes
- Package Types: PowerDIP 20, SO20
- Operating Temperature: -40°C to +125°C
- Power Dissipation (at 90°C): 1.3-3.75 Ww
- Thermal Resistance Junction-Ambient: 60-80 °C/W
Buy the Buy STMicroelectronics L4972A Part Number L4972A Online
Order the STMicroelectronics L4972A switching regulator online today and experience high efficiency, wide voltage range, and advanced features such as thermal shutdown, soft start, and reset functions. Perfect for compact, microprocessor power supplies, this 2A device operates at frequencies up to 200kHz, ensuring minimal external components and optimized performance. Reliable and easy to integrate with synchronization input and diagnostic controls, it is your ideal choice for designing durable, efficient power systems that require precise voltage regulation and protection features. Purchase now and enhance your power supply solutions!
Get STMicroelectronics L4972A today—built for precision and long-lasting durability in power regulation applications.
Frequently Asked Questions
Where can I buy STMICROELECTRONICS L4972A?
You can click on the BUY or RFQ button to purchase L4972A from an authorized STMICROELECTRONICS distributor.
How do I troubleshoot issues or seek technical support for part L4972A?
You can download the L4972A datasheet or visit the STMICROELECTRONICS website for support.
Who is the manufacturer of L4972A?
STMICROELECTRONICS