NCP1601ADR2

Product Overview

Category

NCP1601ADR2 belongs to the category of integrated circuits (ICs) used in power management applications.

Use

This IC is specifically designed for use in offline flyback converters, which are commonly found in various electronic devices.

Characteristics

• The NCP1601ADR2 offers high efficiency and low standby power consumption.
• It provides excellent load and line regulation, ensuring stable output voltage.
• This IC features a wide input voltage range, making it suitable for different power supply applications.
• It incorporates various protection features such as overvoltage, overcurrent, and thermal shutdown.

Package

The NCP1601ADR2 is available in a small outline package (SOIC-8), which facilitates easy integration into circuit boards.

Essence

The essence of NCP1601ADR2 lies in its ability to efficiently regulate and convert input voltage to a stable output voltage, meeting the power requirements of electronic devices.

Packaging/Quantity

The NCP1601ADR2 is typically packaged in reels, with each reel containing 2500 units. This packaging ensures convenient handling and storage during manufacturing processes.

Specifications

• Input Voltage Range: 85V to 265V AC
• Output Voltage Range: 5V to 24V DC
• Maximum Output Power: 10W
• Switching Frequency: 65kHz
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The NCP1601ADR2 has eight pins arranged as follows:

1. VCC: Power supply input pin.
2. GND: Ground reference pin.
3. FB: Feedback pin for regulating the output voltage.
4. COMP: Compensation pin for stability control.
5. CS: Current sense pin for current limit protection.
6. DRAIN: High-voltage power switch drain pin.
7. SOURCE: High-voltage power switch source pin.
8. VCCSENSE: Voltage sense pin for overvoltage protection.

Functional Features

• Constant voltage (CV) and constant current (CC) modes for efficient power regulation.
• Soft-start function to prevent excessive inrush current during startup.
• Frequency jittering for reduced electromagnetic interference (EMI).
• Built-in protection features for enhanced reliability and safety.

Advantages and Disadvantages

Advantages

• High efficiency and low standby power consumption.
• Wide input voltage range for versatile applications.
• Excellent load and line regulation for stable output voltage.
• Integrated protection features ensure device safety.

Disadvantages

• Limited maximum output power of 10W.
• Requires external components for complete circuit implementation.

Working Principles

The NCP1601ADR2 operates based on the flyback converter topology. It utilizes a high-voltage power switch to store energy in the transformer during the switch-on period and then transfers it to the output during the switch-off period. This process enables efficient voltage conversion and regulation.

Detailed Application Field Plans

The NCP1601ADR2 finds application in various electronic devices, including but not limited to: - Power adapters for laptops and smartphones - LED lighting systems - Home appliances such as televisions and refrigerators - Industrial equipment and automation systems

Detailed and Complete Alternative Models

• NCP1601BDR2G
• NCP1601BDR2G
• NCP1601BDR2G
• NCP1601BDR2G
• NCP1601BDR2G

These alternative models offer similar functionality and can be used as substitutes for the NCP1601ADR2 in different applications.

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