LTC3118HFE#TRPBF

Product Overview

The LTC3118HFE#TRPBF belongs to the category of high-efficiency, synchronous buck-boost DC/DC converters. It is designed for a wide range of applications that require a regulated output voltage from an input voltage source that can vary above or below the output voltage. The LTC3118HFE#TRPBF is characterized by its high efficiency, low quiescent current, and compact package, making it suitable for portable and battery-powered devices. This device is available in a 24-lead 4mm x 5mm QFN package.

Specifications

• Input Voltage Range: 2.7V to 15V
• Output Voltage Range: 1.8V to 15V
• Maximum Output Current: 2A
• Switching Frequency: 1MHz
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC3118HFE#TRPBF features a total of 24 pins, including VIN, VOUT, GND, FB, EN, and SW pins. A detailed pin configuration diagram is provided in the product datasheet.

Functional Features

• Synchronous Buck-Boost Topology
• Low Quiescent Current
• Wide Input and Output Voltage Range
• Internal Soft-Start
• Power Good Indicator
• Overtemperature Protection

Advantages and Disadvantages

Advantages

• High Efficiency
• Compact Package
• Wide Input and Output Voltage Range
• Power Good Indicator for Output Monitoring

Disadvantages

• Higher Cost Compared to Non-Synchronous Converters
• Complex Control Circuitry

Working Principles

The LTC3118HFE#TRPBF utilizes a synchronous buck-boost topology to regulate the output voltage regardless of whether the input voltage is higher or lower than the desired output voltage. This is achieved through the control of the internal switches to step-up or step-down the input voltage as necessary.

Detailed Application Field Plans

The LTC3118HFE#TRPBF is well-suited for various applications, including: - Battery-Powered Devices - Portable Instruments - Industrial Sensors - Energy Harvesting Systems - Automotive Electronics

Detailed and Complete Alternative Models

Some alternative models to the LTC3118HFE#TRPBF include: - LT8390 - LT8705 - LT8471 - LT8609

In conclusion, the LTC3118HFE#TRPBF is a versatile and efficient buck-boost DC/DC converter suitable for a wide range of applications. Its high efficiency, wide input/output voltage range, and compact package make it an ideal choice for portable and battery-powered devices.

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