NCP1239DD65R2G

The NCP1239DD65R2G is a high-performance PWM (Pulse Width Modulation) controller designed for power supply applications, particularly in offline flyback converters. It integrates a range of features that enhance efficiency and reliability, including a built-in high-voltage startup circuit, frequency jittering to minimize electromagnetic interference (EMI), and a low startup current.
The device operates at a wide input voltage range, making it suitable for various applications, including adapters, chargers, and other power supply units. Its programmable features, such as adjustable output voltage and current limit, allow for flexible design configurations. The NCP1239DD65R2G also includes protection mechanisms like over-voltage, under-voltage, and thermal shutdown, ensuring robust performance under adverse conditions.
With its compact package and efficient design, the NCP1239DD65R2G is ideal for engineers seeking a reliable solution for power management in consumer electronics and industrial applications.

The NCP1239DD65R2G is a high-performance, integrated power supply controller designed for switching power supplies. Key features include:
1. PWM Controller: Operates in continuous conduction mode (CCM) for efficient power conversion.
2. Wide Input Voltage Range: Accepts input voltages from 85V to 265V AC, making it suitable for universal input applications.
3. Integrated High-Voltage Start-Up: Eliminates the need for an external startup resistor, enhancing efficiency.
4. Adjustable Frequency: Offers a switching frequency of up to 100 kHz, allowing for design flexibility.
5. Protection Features: Includes over-voltage protection (OVP), under-voltage lockout (UVLO), and thermal shutdown to ensure safe operation.
6. Soft-Start Function: Reduces inrush currents during startup, enhancing reliability.
7. Low Standby Power Consumption: Designed to meet energy efficiency standards and reduce power losses.
The NCP1239DD65R2G is ideal for applications such as adapters, chargers, and various consumer electronics requiring efficient power management.

The NCP1239DD65R2G is packaged in a SOIC-8 (Small Outline Integrated Circuit) package, which features eight pins. This surface-mount package is designed for ease of handling and efficient thermal performance in various applications.

The NCP1239DD65R2G is a high-performance, low-cost controller for off-line and DC-DC converter applications. It has a total of 8 pins. The pin functions are as follows:
1. VCC: Supply voltage input for the controller.
2. GND: Ground connection.
3. VDD: Start-up voltage for the controller.
4. CSN: Current sense input for overcurrent protection.
5. COMP: Compensation pin for feedback loop stability.
6. FB: Feedback input for voltage regulation.
7. TSD: Thermal shutdown pin.
8. OUT: Gate driver output to control the power switch.
This device is designed for energy-efficient power supply applications, providing features like overcurrent protection, thermal shutdown, and low standby power consumption.

The NCP1239DD65R2G is manufactured by ON Semiconductor, a global semiconductor company. ON Semiconductor specializes in designing and manufacturing a wide range of semiconductor components, including power management, analog, and discrete devices. The company serves various markets, including automotive, industrial, communications, and consumer electronics. Through its innovative technologies and comprehensive product portfolio, ON Semiconductor aims to enable energy-efficient solutions and enhance performance in electronic devices.

The NCP1239DD65R2G is a high-performance switch mode power supply controller primarily used in applications such as AC-DC power adapters, LED drivers, and industrial power supplies. Its features include low standby power consumption and high efficiency, making it suitable for consumer electronics, telecom equipment, and embedded systems.

The NCP1239DD65R2G is a PWM controller for power supplies. Equivalent products include the TL5001, LM2596, and UC3843. Additionally, check the NCP1237 and NCP1238 for similar features. Always verify specifications for compatibility in your specific application.