LT1931ES5#TRPBF

The LT1931ES5#TRPBF is a high-efficiency inverting DC/DC converter from Analog Devices, designed for generating negative output voltages from a positive input. This converter operates with a wide input voltage range and provides a compact, low-noise solution for powering analog circuits, sensors, and other applications requiring negative voltages.

Description:

• Type: Inverting DC/DC Converter
• Manufacturer: Analog Devices
• Package: SOT-23-5 (Small Outline Transistor)
• Input Voltage Range: 1.2V to 15V
• Output Voltage: Adjustable down to -15V
• Output Current: Up to 300mA
• Switching Frequency: Fixed at 1.2MHz

Key Features:

• High Efficiency: Provides up to 88% efficiency, minimizing power loss and heat generation.
• Compact Solution: Small SOT-23-5 package and minimal external components make it suitable for space-constrained designs.
• Wide Input Range: Supports a wide range of input voltages from 1.2V to 15V, ideal for a variety of applications.
• Fixed Switching Frequency: Operates at 1.2MHz for stable and low-noise performance, making it suitable for noise-sensitive circuits.
• Low Quiescent Current: Efficient at light loads, with a low quiescent current, ideal for battery-powered devices.
• Protection Features: Includes internal current limit and thermal shutdown for reliable operation under adverse conditions.

Applications:

• Analog Circuit Power: Provides negative supply voltage for op-amps, sensors, and instrumentation amplifiers.
• Portable Devices: Suitable for generating negative voltages in battery-powered devices.
• Signal Processing: Powers mixed-signal and RF circuits requiring negative supply rails.
• Data Acquisition Systems: Used in systems needing both positive and negative voltages for optimal performance.

Package Dimensions:

• SOT-23-5: A compact surface-mount package designed for efficient power conversion in space-limited applications.

Reference Documents:

For detailed electrical characteristics, design guidelines, and typical applications, refer to the LT1931ES5#TRPBF datasheet available from Analog Devices’ official website.