onsemi

NCP1246BD100R2G

NCP1246BD100R2G Description

The NCP1246BD100R2G from onsemi is a high-performance offline switcher IC designed for flyback topology applications. This surface-mount device operates with a 100kHz switching frequency and supports an input voltage range of 8.9V to 28V, making it versatile for various power supply designs. It features a 12V startup voltage and an 80% duty cycle, ensuring efficient power conversion. The IC is ROHS3 compliant and REACH unaffected, meeting stringent environmental standards. Packaged in 7SOIC and supplied in Tape & Reel (TR), it is optimized for automated assembly processes.

NCP1246BD100R2G Features

• Comprehensive Fault Protection: Includes current limiting, overload, over-power, over-temperature, and over-voltage protection for robust system reliability.
• Isolated Output: Ensures safety and noise immunity in sensitive applications.
• Wide Supply Voltage Range (8.9V–28V): Accommodates fluctuating input conditions.
• High Duty Cycle (80%): Enhances efficiency in power transfer.
• Low Moisture Sensitivity (MSL 1): Suitable for extended storage and harsh environments.
• No Internal Switch: Allows flexibility in external component selection for customized designs.

NCP1246BD100R2G Applications

This IC is ideal for:

• AC/DC power supplies in consumer electronics (e.g., adapters, chargers).
• Industrial power systems requiring stable offline conversion.
• LED drivers and auxiliary power supplies where isolation and protection are critical.
• Embedded systems needing compact, high-efficiency power management.

Conclusion of NCP1246BD100R2G

The NCP1246BD100R2G stands out for its robust protection features, wide operational range, and flexibility in flyback designs. Its high reliability and compliance with environmental standards make it a preferred choice for engineers developing efficient, isolated power solutions. Whether for industrial, consumer, or embedded applications, this IC delivers performance and durability in a compact form factor.