LTC3490ES8

The LTC3490ES8 is a high-efficiency synchronous buck-boost DC/DC converter IC designed for a wide range of power supply applications. It features a low noise, high efficiency design with a compact form factor, making it ideal for portable and battery-powered devices.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• VIN: Input Voltage
• LX: Inductor Connection
• GND: Ground Connection
• SW: Switching Node
• FB: Feedback Voltage Pin
• VOUT: Output Voltage

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LTC3490ES8 IC for a visual representation.

Key Features

• Wide Input Voltage Range: Supports input voltages from 1.8V to 5.5V, allowing for flexible power supply configurations.
• High Efficiency: The synchronous buck-boost topology ensures high efficiency power conversion for extended battery life.
• Low Noise Operation: The LTC3490ES8 operates with low noise levels, making it suitable for noise-sensitive applications.
• Compact Size: Available in a small 8-lead SOIC package, enabling space-efficient designs in compact electronic devices.
• Output Voltage Selection: The output voltage can be set internally using feedback resistors, providing customization for different applications.

Note: For detailed technical specifications, please refer to the LTC3490ES8 datasheet.

Application

• Battery-Powered Devices: Ideal for use in portable devices and battery-powered applications requiring efficient power management.
• Wireless Systems: Suitable for powering wireless communication systems, sensors, and other low-power devices.
• Embedded Systems: Used in embedded systems, IoT devices, and other electronics requiring versatile power supply solutions.

Functionality

The LTC3490ES8 is a versatile buck-boost DC/DC converter that can efficiently regulate output voltage levels across a wide input range. It provides stable and reliable power conversion for a variety of electronic applications.

Usage Guide

• Input Power: Connect VIN (Pin 1) to the input voltage source within the specified input range.
• Output Voltage Setting: Adjust the output voltage by configuring the feedback network using the FB pin.
• Enable Control: Use the EN pin to enable or disable the converter as needed for power management.

Frequently Asked Questions

Q: What is the typical efficiency of the LTC3490ES8?
A: The LTC3490ES8 offers high efficiency levels, typically above 90%, ensuring minimal power loss during operation.

Q: Can the LTC3490ES8 be used in both step-up and step-down configurations?
A: Yes, the LTC3490ES8 supports both buck and boost voltage conversion, making it suitable for various power supply requirements.