The NCP1246BLD065R2G is an integrated circuit (IC) component designed by ON Semiconductor. It is a PWM controller that offers various features to control the operation of switched-mode power supplies (SMPS). Here is an overview and key features of the NCP1246BLD065R2G:
1. Overview:
- The NCP1246BLD065R2G is tailored for flyback and resonant topologies, making it suitable for applications such as power adapters, chargers, and LED drivers.
- This IC operates in a fixed-frequency pulse width modulation (PWM) control mode, ensuring stable and efficient power conversion.
- It incorporates a comprehensive set of protection features to ensure safe operation and protect the load, IC, and surrounding components from faults and hazards.
2. Key Features:
a. High Integration:
- The NCP1246BLD065R2G integrates several functions, reducing the external component count and overall system cost.
- It includes a high voltage start-up regulator, error amplifier, PWM controller, and switching transistor.
b. Wide Input Voltage Range:
- The IC supports a wide range of input voltages, from 40 V to 1,400 V, allowing it to handle diverse power supply requirements.
c. Fixed Frequency Operation:
- The NCP1246BLD065R2G operates at a fixed frequency of approximately 65 kHz
