Maxim Integrated MAX1540AETJ+TS Voltage Regulator

Maxim Integrated's MAX1540AETJ+TS is a high-performance, low-noise, dual-phase, synchronous step-down controller designed specifically for CPU core power supplies in notebook computers. This advanced voltage regulator integrates a host of features that contribute to its efficiency and reliability, making it an ideal choice for managing the power requirements of modern processors.

Key Features

• Dual-Phase Operation: The MAX1540AETJ+TS operates with dual phases, which helps in reducing the input and output ripple currents, thereby minimizing the requirement for large, costly capacitors.
• Quick-PWM™ Control: This feature provides ultra-fast transient response, which is critical for maintaining stable voltage levels to the CPU during sudden changes in load.
• Adjustable Output Voltage: The output voltage can be set to a wide range with high precision, accommodating various CPU core voltages and ensuring compatibility with different processor generations.
• High Efficiency: With its synchronous rectification and low dropout operation, the MAX1540AETJ+TS conserves power and enhances battery life in portable applications.
• Power-Good Output: This signal provides a system-level indication that the output voltage is within the acceptable range, which is crucial for reliable system startup and operation.

Applications

The MAX1540AETJ+TS is primarily designed for powering CPUs in notebook computers. However, its versatile features make it suitable for a wide range of applications that require efficient and stable power delivery, such as:

• Thin and light notebooks
• Netbooks and ultraportable devices
• Advanced computing systems
• Portable and battery-powered electronics

Technical Specifications

• Package: 32-TQFN-EP (5mm x 5mm)
• Operating Temperature Range: -40°C to +85°C
• Input Voltage Range: 4.5V to 5.5V
• Max Output Current: Configurable to meet the demands of various CPUs

The MAX1540AETJ+TS from Maxim Integrated exemplifies the company's commitment to providing power management solutions that meet the evolving needs of technology, offering both performance and energy efficiency.