The MIC38300HYHLTR is a high-efficiency synchronous boost regulator manufactured by Micrel, now part of Microchip Technology. It is designed to provide a regulated output voltage from a lower input voltage, making it suitable for battery-powered devices and other applications where voltage boost is required.

Applications

• Battery-powered devices: Used to boost battery voltage to power various components in portable devices.
• LED drivers: Employed as LED drivers to provide a constant current source for lighting applications.
• Power amplifiers: Utilized in power amplifier circuits to boost the supply voltage for improved performance.
• LCD bias supplies: Used to generate the bias voltages required for LCD displays.
• Portable electronics: Found in smartphones, tablets, and other portable devices for efficient power management.

Features

• High efficiency: Achieves high efficiency through synchronous rectification.
• Wide input voltage range: Operates over a wide range of input voltages.
• Adjustable output voltage: Allows for flexible adjustment of the output voltage.
• Internal synchronous rectifier: Simplifies design and reduces component count.
• Over-voltage protection (OVP): Protects the output from over-voltage conditions.

Benefits

• Extended battery life: Maximizes battery life with its high-efficiency operation.
• Flexible design: Allows for easy customization of the output voltage.
• Simplified design: Reduces component count and simplifies the design process.
• Reliable operation: Provides robust protection against over-voltage conditions.
• Compact solution: Offers a compact solution for voltage boost applications.

Additional Details

The MIC38300HYHLTR typically operates with an input voltage range of 2.5V to 10V and can provide output voltages up to 34V. The switching frequency is typically in the MHz range, enabling the use of smaller external components. The device includes over-current protection and thermal shutdown features to ensure safe and reliable operation. It is available in a small QFN package, making it suitable for space-constrained applications. The operating temperature range is usually from -40°C to +125°C. The synchronous rectification minimizes power losses and contributes to high efficiency.