DM0365 LCD Power Management Chip

The DM0365 LCD Power Management Chip is an integrated solution designed for high-performance power management in LCD displays. It combines a Pulse Width Modulator (PWM) and a rugged Sense FET, offering advanced burst-mode operation, frequency modulation for EMI reduction, and multiple protection features. This chip is ideal for applications requiring efficient and reliable power supply management with minimal external components.

Key Features

• Internal Avalanche Rugged Sense FET
• Low power consumption: 0.65W at 240VAC & 0.3W load
• Advanced Burst-Mode Operation
• Frequency Modulation for EMI Reduction
• Precision Fixed Operating Frequency
• Internal Start-up Circuit
• Pulse-by-Pulse Current Limiting
• Over Voltage Protection (OVP)
• Over Load Protection (OLP)
• Internal Thermal Shutdown Function (TSD)
• Auto-Restart Mode
• Under Voltage Lockout (UVLO)
• Low Operating Current: 3mA
• Adjustable Peak Current Limit
• Built-in Soft Start

Technical Specifications

• Drain Pin Voltage: 650V
• Vstr Pin Voltage: 650V
• Drain Current Pulsed: 12A
• Single Pulsed Avalanche Energy: 127mJ
• Supply Voltage: 20V
• Feedback Voltage Range: -0.3V to VCC
• Total Power Dissipation: 1.56W
• Operating Junction Temperature: Internally limited
• Operating Ambient Temperature: -25°C to +85°C
• Storage Temperature: -55°C to +150°C

Applications

• Switch Mode Power Supplies (SMPS) for VCR, SVR, STB, DVD & DVCD Player
• SMPS for Printer, Facsimile & Scanner
• Adapter for Camcorder

Usage

The DM0365 LCD Power Management Chip is used to manage and regulate power supply in various electronic devices, especially those requiring efficient and reliable power management like LCD displays. It is integrated into the device’s power supply circuit, ensuring optimal performance and protection against overvoltage, overload, and thermal issues.

Caution

• Ensure proper heat dissipation to avoid overheating.
• Verify all connections and voltage ratings before powering the device.

Datasheet

For detailed technical information and application notes, please refer to the DM0365 Datasheet.