The ETA3406 is a high-efficiency, synchronous rectified step-down converter manufactured by ETA Solutions. It's designed for applications requiring compact size, high efficiency, and accurate voltage regulation. This converter is commonly used in portable devices, power banks, and various battery-powered applications.

Applications

• Portable devices (smartphones, tablets)
• Power banks
• Battery-powered equipment
• Point-of-load (POL) regulators
• Wearable devices

Features

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: Adjustable from 0.6V to Vin
• Continuous Output Current: Up to 3A
• High Efficiency: Up to 95%
• Fixed Switching Frequency: 1.5MHz
• Short-Circuit Protection
• Over-Temperature Protection
• Under-Voltage Lockout (UVLO)

Benefits

• High efficiency extends battery life in portable devices
• Compact size saves board space
• Accurate voltage regulation ensures stable operation
• Integrated protection features enhance system reliability
• Wide input voltage range supports various power sources

Additional Details

The ETA3406 offers a wide input voltage range from 2.5V to 5.5V, making it compatible with various battery chemistries and power sources. The output voltage is adjustable from 0.6V to Vin, allowing for flexible voltage regulation. With a continuous output current of up to 3A, it can power a wide range of electronic components. The high efficiency of up to 95% minimizes power losses and extends battery life in portable devices. The fixed switching frequency of 1.5MHz enables the use of smaller external components, further reducing the overall size of the solution. The integrated short-circuit protection, over-temperature protection, and under-voltage lockout (UVLO) features enhance system reliability and prevent damage to the converter and other components. The ETA3406 is commonly used in portable devices such as smartphones and tablets to regulate the voltage supplied to various components. It is also used in power banks to efficiently convert the battery voltage to the required output voltage for charging mobile devices. Its high efficiency and compact size make it ideal for battery-powered equipment and wearable devices. As a point-of-load (POL) regulator, it can provide accurate voltage regulation for specific components on a circuit board. The device's protection features safeguard against potential faults, ensuring reliable operation in demanding applications. The synchronous rectification topology minimizes switching losses and improves overall efficiency compared to traditional diode-based converters.