NCP1251FSN65T1G

NCP1251FSN65T1G Product Details

Product Overview

The NCP1251FSN65T1G is a compact current-mode PWM controller designed for isolated and non-isolated flyback converters. With its low standby power consumption and high efficiency, it is ideal for AC-DC adapters, industrial power supplies, and LED lighting applications. The device integrates various protection mechanisms like overvoltage and overcurrent protection, which enhance reliability. It operates in a frequency foldback mode, reducing power consumption at light loads. The NCP1251 series is well-suited for space-constrained designs requiring robust performance in high-efficiency power supplies.

Key Features and Advantages

• Current-Mode Control: Provides better transient response and easier loop compensation, ensuring optimal performance in various load conditions.

• Frequency Foldback: Reduces switching frequency under light loads, significantly reducing standby power consumption and improving efficiency.

• Integrated Protection Features: Overcurrent, overvoltage, and thermal shutdown protections ensure enhanced system safety and longevity.

• Low Standby Power: Consumes less power in standby mode, making it ideal for applications with strict energy efficiency requirements.

• Wide Operating Range: Operates efficiently across a wide range of input voltages, ensuring reliability in different power conditions.

Product Specifications

Application Areas

The NCP1251FSN65T1G is widely used in various power conversion applications that require high efficiency, compact size, and robustness. Typical examples include:

• AC-DC Power Adapters: Perfect for use in small power adapters for mobile devices, laptops, and other consumer electronics.

• Industrial Power Supplies: Suited for industrial systems needing robust, low-power controllers in environments that require high reliability.

• LED Drivers: Efficient in controlling power supplies for LED lighting applications, ensuring reduced power loss and increased efficiency.

• Power Tools: Used in flyback converters for power tools, where space and efficiency are crucial factors.

• Telecommunication Equipment: Ensures stable power conversion for communication devices and systems operating under variable loads.

Usage Scenarios

The NCP1251FSN65T1G excels in various high-efficiency power conversion scenarios:

• Portable Electronics: Provides efficient power management for portable devices such as smartphones, tablets, and battery chargers, where reducing standby power is essential.

• Home Appliances: Integrated into power supplies for home appliances like TVs, refrigerators, and washing machines, ensuring energy-efficient operation.

• Networking Equipment: Used in modems, routers, and other networking devices that require continuous operation and low power consumption in standby modes.

• Lighting Systems: Ideal for LED drivers in both residential and commercial lighting applications, offering optimized energy management.

• Standby Power Systems: Utilized in systems where power conservation during standby mode is a critical requirement, such as in battery backup systems.

Shipping Methods

Several international shipping methods are available for delivering the NCP1251FSN65T1G, each offering different benefits:

• DHL Express: Fast and reliable, with delivery times typically ranging from 1 to 3 business days to most major global locations. Ideal for urgent shipments.

• FedEx International Priority: Similar to DHL, FedEx provides quick shipping with detailed tracking, making it suitable for time-sensitive orders.

• UPS Worldwide Expedited: Offers reliable service with slightly slower delivery times compared to DHL or FedEx but is cost-effective and dependable for bulk shipments.

• TNT Express: Known for its competitive pricing, especially for intra-European shipments. Delivery times may vary depending on the destination.

• EMS (Express Mail Service): An affordable international shipping option, though delivery can take longer compared to private courier services. Ideal for cost-conscious customers.

Frequently Asked Questions (FAQ)

Q1: What is the typical operating frequency of the NCP1251FSN65T1G?
A1: The NCP1251FSN65T1G operates at a typical frequency of 65 kHz.

Q2: What kind of protection features are integrated into the device?
A2: The NCP1251FSN65T1G includes overvoltage protection, overcurrent protection, and thermal shutdown features.

Q3: Is this device suitable for portable electronics?
A3: Yes, its low standby power consumption and compact SOT-23-6 package make it ideal for portable electronics such as mobile chargers and power adapters.

Q4: What is the maximum duty cycle of the NCP1251FSN65T1G?
A4: The device has a maximum duty cycle of 80%.

Q5: What packaging does the NCP1251FSN65T1G come in?
A5: The device is available in a SOT-23-6 surface-mount package.