The FSBH0F70ANYN is a Power Switch IC manufactured by Fairchild Semiconductor, now part of ON Semiconductor. This highly integrated off-line power switch combines a Pulse Width Modulator (PWM) controller with a SenseFET, simplifying design and reducing component count in power supply applications. It is designed for efficient and reliable power conversion.

Applications

• Power supplies for set-top boxes.
• Auxiliary power supplies in white goods (e.g., refrigerators, washing machines).
• Adapter power supplies for various electronic devices.
• Standby power supplies.

Features

• Integrated PWM controller and SenseFET.
• Low standby power consumption.
• Built-in protection features: Over-Voltage Protection (OVP), Over-Current Protection (OCP), Over-Temperature Protection (OTP).
• Frequency hopping for improved EMI performance.
• Soft-start function.

Benefits

• Simplified power supply design, reducing development time and cost.
• High energy efficiency, lowering operating costs and meeting energy efficiency standards.
• Robust protection features ensure reliable operation and prevent damage to the power supply and connected equipment.
• Reduced EMI emissions, minimizing interference with other electronic devices.
• Improved system reliability with soft-start feature.

Additional Details

The FSBH0F70ANYN operates with a fixed frequency PWM controller, optimizing efficiency at various load conditions. It incorporates advanced burst-mode operation for ultra-low standby power consumption. The integrated SenseFET eliminates the need for an external sensing resistor, further simplifying the design and improving efficiency. It likely complies with international safety standards such as UL, CE, and IEC. The operating temperature range is typically -40°C to +150°C. The exact switching frequency and power rating can be found in the ON Semiconductor datasheet. It is RoHS compliant.