The DM0365R is a highly integrated off-line power switch from Fairchild Semiconductor (now ON Semiconductor). This device is designed for use in power supplies, offering a cost-effective solution for applications requiring high efficiency and low standby power consumption. It integrates a power MOSFET and a current mode PWM controller in a single package.

Applications

• Power Adapters for mobile devices
• DVD Players
• Set-Top Boxes
• Auxiliary Power Supplies
• Battery Chargers

Features

• Integrated Power MOSFET
• Current Mode PWM Control
• Built-in Soft-Start Function
• Over Voltage Protection (OVP)
• Over Current Protection (OCP)
• Thermal Shutdown Function
• Under Voltage Lockout (UVLO)

Benefits

• Reduces component count, simplifying power supply design and lowering BOM cost.
• Improves power efficiency, reducing energy consumption and heat dissipation.
• Enhances system reliability with built-in protection features.
• Simplifies design with integrated soft-start function, reducing stress on components during startup.
• Offers a compact solution for space-constrained applications.

Additional Details

The DM0365R operates with a wide input voltage range. The switching frequency is internally set. It typically comes in a DIP-8 package. The integrated MOSFET's on-resistance (RDS(on)) is a critical parameter determining the device's efficiency. The device is designed to meet various international energy efficiency standards. The DM0365R's protection features safeguard the power supply and connected devices from potential damage due to overvoltage, overcurrent, and excessive temperature conditions. Its current mode PWM controller provides excellent line and load regulation.