The AIC1734-33GUTR is a high-efficiency, step-down (buck) DC-DC converter manufactured by Aic. This device is designed to provide a stable and regulated 3.3V output voltage from a higher input voltage, making it suitable for a variety of power management applications. Its key features include high efficiency, compact size, and robust protection mechanisms.

Applications

• Point-of-Load (POL) Regulators
• Portable Devices
• Battery-Powered Systems
• Embedded Systems
• General-Purpose Power Conversion

Features

• High Efficiency: Achieves up to 95% efficiency, minimizing power losses and heat generation.
• Wide Input Voltage Range: Operates from a wide input voltage range, typically from 4.5V to 18V.
• Fixed Output Voltage: Provides a fixed 3.3V output voltage with high accuracy.
• Current Mode Control: Employs current mode control for excellent line and load regulation.
• Internal Compensation: Features internal compensation, simplifying the design process and reducing external component count.
• Overcurrent Protection (OCP): Includes overcurrent protection to prevent damage from excessive load currents.
• Thermal Shutdown Protection (OTP): Incorporates thermal shutdown protection to prevent overheating and ensure device reliability.
• Small Package: Available in a compact UTR package, minimizing board space requirements.

Benefits

• Extended Battery Life: High efficiency minimizes power consumption, extending battery life in portable applications.
• Stable Output Voltage: Provides a stable and regulated output voltage, ensuring reliable operation of connected devices.
• Simplified Design: Internal compensation reduces external component count, simplifying the design process and lowering BOM costs.
• Enhanced System Reliability: Overcurrent and thermal shutdown protection mechanisms enhance system reliability and prevent device damage.
• Reduced Board Space: Compact package minimizes board space requirements, enabling smaller and more compact designs.

Additional Details

The AIC1734-33GUTR utilizes a constant-frequency PWM (Pulse Width Modulation) control scheme to achieve high efficiency and excellent transient response. The device also features a soft-start function to limit inrush current during startup. The UTR package is lead-free and RoHS compliant.