NCP1240ED065R2G

NCP1240ED065R2G Product Details

Product Overview

The NCP1240ED065R2G is a fixed-frequency current-mode controller for flyback converters, optimized for low-power designs and high-performance power supplies. It features ON Semiconductor’s proprietary architecture, providing peak-current-mode control with built-in frequency jittering for reduced EMI and enhanced light-load efficiency. The NCP1240 series operates effectively in quasi-resonant mode (QRM) for optimized efficiency and reduced noise, making it ideal for compact, efficient power adapters, LED drivers, and auxiliary power supplies.

Key Features and Benefits

• High Efficiency at Light Loads: Optimized for efficiency under low-load conditions, enabling reduced power consumption and compliance with stringent energy standards.

• Integrated Frequency Jittering: Minimizes electromagnetic interference (EMI) for improved system reliability.

• Quasi-Resonant Mode (QRM): Operates in QRM to enhance efficiency by reducing switching losses, particularly beneficial for high-frequency applications.

• Protection Mechanisms: Includes overvoltage, overcurrent, and thermal shutdown protections, enhancing device reliability and safety.

• Low Startup and Operating Current: Minimizes power consumption, supporting compliance with low standby power requirements.

Product Specifications

Application Range

The NCP1240ED065R2G is suited for various power supply applications where efficiency, EMI reduction, and compact form factor are critical. It’s commonly used in:

• Power Adapters: Compact wall adapters and chargers for consumer electronics.

• LED Drivers: High-efficiency drivers in lighting applications requiring low standby power.

• Auxiliary Power Supplies: Used in industrial equipment, HVAC systems, and home appliances.

• Networking and Telecom: Power supplies for modems, routers, and networking equipment with strict EMI requirements.

Use Cases

This device is highly suitable for applications in environments requiring low standby power and high efficiency:

• Consumer Electronics: Effective in power adapters for smartphones, tablets, and laptops, delivering compact and efficient power solutions.

• Industrial Automation: Supports auxiliary power supplies in PLCs, sensors, and other industrial automation equipment, reducing EMI interference.

• Home Appliances: Powers control circuits in home appliances, ensuring energy efficiency and minimal EMI disturbance.

Shipping and Logistics

The NCP1240ED065R2G is available for international shipping with various options:

• Air Freight: Fast delivery, recommended for smaller, time-sensitive orders. Generally more expensive, suitable for electronics.

• Sea Freight: Cost-effective for larger shipments, though slower than air freight, ideal for bulk orders.

• Express Courier Services: Services like DHL, FedEx, and UPS offer door-to-door delivery and tracking, suitable for medium-sized orders requiring quick, secure delivery.

• Postal Services: Economical for smaller shipments; however, transit times may vary by destination.

Frequently Asked Questions (FAQs)

1. What is the maximum switching frequency for the NCP1240ED065R2G?
   The device operates at a fixed switching frequency of 65 kHz, ideal for low EMI and optimized efficiency.

2. What protection features are integrated into the NCP1240ED065R2G?
   It includes overvoltage, overcurrent, and thermal shutdown protections, providing high reliability and safety in applications.

3. Is this device suitable for LED driver applications?
   Yes, the NCP1240ED065R2G’s efficiency and low standby power consumption make it suitable for LED driver applications.

4. Does the device support quasi-resonant mode?
   Yes, the device operates in quasi-resonant mode, enhancing efficiency by reducing switching losses.