All Products Flyback Controller

FSL116HR / The FSL116HR is an integrated offline switching regulator IC that combines a fixed-frequency PWM controller and a high-voltage power MOSFET for AC-DC power conversion applications. It operates from a wide input voltage range up to 650V DC and supports output power levels typically up to 15–20W depending on design conditions. The device features a switching frequency of approximately 67 kHz and includes advanced control functions such as pulse-by-pulse current limiting, overvoltage protection, overload protection, and thermal shutdown for enhanced reliability. It utilizes green-mode operation to reduce standby power consumption below 100 mW, making it suitable for energy-efficient designs. The IC provides startup current below 100 µA and operating current around 2–5 mA, improving efficiency in low-power conditions. Operating temperature range is -40°C to +125°C, and the DIP-8 package allows easy implementation in power supply circuits. It is ideal for SMPS, chargers, adapters, and consumer power applications.
FSL116HR

Description: The FSL116HR is an integrated offline switching regulator IC that combines a fixed-frequen ...
Package: TUBE | MOQ: 1000 | MPQ: 50

CS5173EDR8G / The CS5173EDR8G is a versatile <strong>high-frequency DC/DC switching regulator</strong> developed by <strong>onsemi</strong>, designed for boost, flyback, forward, inverting, and SEPIC power supply topologies. It integrates a <strong>1.5A power switch</strong> and utilizes a current-mode control architecture for stable and efficient power conversion. <br><br>The device operates over a wide input voltage range of <strong>2.7V to 30V</strong>, making it suitable for battery-powered, industrial, and embedded power applications. It supports a switching frequency of approximately <strong>560kHz</strong>, enabling the use of smaller inductors and capacitors for compact PCB layouts. <br><br>The CS5173EDR8G features an adjustable feedback architecture for <strong>positive output voltage regulation</strong>, allowing flexible output voltage configuration across a wide range of applications. Its current-mode operation provides excellent line and load regulation while simplifying loop compensation design. <br><br>Designed for robust operation, the regulator includes integrated protection features such as <strong>overcurrent protection, thermal shutdown with hysteresis, frequency foldback during overload conditions, and low shutdown current</strong>, helping improve reliability and efficiency under fault conditions. <br><br>The device also supports <strong>external synchronization capability and shutdown control</strong>, allowing improved system integration in complex multi-rail power supply designs. It is pin-to-pin compatible with Linear Technology LT1372/LT1373 series regulators, simplifying replacement and migration designs. <br><br>With high switching frequency operation and minimal external component requirements, the CS5173EDR8G enables compact and efficient power supply implementations for modern electronic systems. <br><br>Packaged in a compact <strong>8-pin SOIC surface-mount package</strong>, the CS5173EDR8G is optimized for space-constrained applications while maintaining reliable thermal and electrical performance. <br><br>The <strong>CS5173EDR8G</strong> is widely used in <strong>portable electronics, industrial power supplies, embedded systems, battery-powered equipment, communication devices, and distributed power architectures</strong>, where efficient step-up voltage conversion is required.
CS5173EDR8G

Description: The CS5173EDR8G is a versatile high-frequency DC/DC switching regulator d ...
Package: T&R | MOQ: 2500 | MPQ: 2500

TOP258PN / The TOP258PN is an integrated off-line switcher IC from the TOPSwitch-HX family designed for high-efficiency AC-DC power conversion applications. It integrates a high-voltage 700V power MOSFET, PWM controller, and protection circuitry in a single package, enabling compact flyback power supply designs. The device supports output power up to approximately 48W (up to ~77W depending on configuration) and operates with a switching frequency typically around 66 kHz to 132 kHz. It features a maximum duty cycle of about 78% and delivers output current up to ~6.88A. The IC operates across a wide temperature range of -40°C to +150°C and includes built-in protections such as over-voltage, over-temperature, and current limiting. Designed for isolated and non-isolated power supplies, it is ideal for SMPS, adapters, industrial power systems, and consumer electronics.
TOP258PN

Description: The TOP258PN is an integrated off-line switcher IC from the TOPSwitch-HX family designed f ...
Package: TUBE | MOQ: 500 | MPQ: 50













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