The LM2735XQMF is a high-frequency PWM boost converter specifically designed for automotive applications. It is part of Texas Instruments' (formerly National Semiconductor) power management solutions. This device is capable of delivering high efficiency and is optimized for small solution sizes, making it suitable for various automotive electronic systems.

Applications

• Automotive display bias
• Automotive infotainment systems
• Automotive lighting (e.g., LED backlighting)
• Automotive sensor power

Features

• High-frequency PWM operation (1.6 MHz) allows for small external components
• Integrated synchronous rectifier for high efficiency
• Internal compensation simplifies design and reduces external component count
• Adjustable output voltage
• Over-voltage protection
• Short-circuit protection
• Thermal shutdown protection
• Automotive AEC-Q100 qualified
• Available in a small, thermally enhanced package

Benefits

• High efficiency: The integrated synchronous rectifier minimizes power loss, improving overall system efficiency.
• Small solution size: High-frequency operation allows the use of smaller inductors and capacitors, reducing the overall footprint on the PCB.
• Simplified design: Internal compensation reduces the need for external components, making the design process easier and faster.
• Robust protection features: Over-voltage, short-circuit, and thermal shutdown protection features ensure reliable operation and protect the device from damage.
• Automotive-grade quality: AEC-Q100 qualification ensures the device meets the stringent requirements of automotive applications.

Additional Details

The LM2735XQMF typically operates from a 3V to 5.5V input voltage and can generate output voltages up to 24V. The switching frequency is fixed at 1.6 MHz, allowing for the use of small, low-profile inductors. The device is available in a thermally enhanced package to dissipate heat effectively. It also includes a shutdown function to minimize power consumption when the device is not in use. The AEC-Q100 qualification ensures that the device has been thoroughly tested and meets the reliability standards required for automotive applications.