LT1931ES5#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LT1931ES5#TRPBF

Manufacturer

Analog Devices

Introduction

The LT1931ES5#TRPBF is a versatile, compact switching regulator designed for power management applications.

Product Features and Performance

High frequency switching at 1.2MHz

Capable of step-up and step-down operation

Adjustable negative output voltage

Capable of driving a 1A switch current

Operates within a wide input range of 2.45V to 16V

Suitable for surface mount technology with TSOT-23-5 package

Product Advantages

High efficiency due to Cuk topology

Small form factor ideal for space-constrained applications

Allows for the use of small inductors and capacitors due to high switching frequency

Key Technical Parameters

Function: Step-Up/Step-Down

Output Configuration: Negative

Topology: Cuk

Voltage - Input (Min): 2.45V

Voltage - Input (Max): 16V

Voltage - Output (Min/Fixed): -1.255V

Voltage - Output (Max): -34V

Current - Output: 1A (Switch)

Frequency - Switching: 1.2MHz

Operating Temperature: 0°C ~ 70°C (TA)

Quality and Safety Features

Built-in thermal protection

Stable operation within specified temperature range

Compatibility

Compatible with various input sources within the 2.45V to 16V range

Flexible output voltage adjustment for diverse application needs

Application Areas

Portable electronics

Battery-operated devices

Negative voltage rail generation

Industrial control systems

Product Lifecycle

Product Status: Active

Not presently near discontinuation, with potential for future replacements or upgrades

Several Key Reasons to Choose This Product

Efficient power conversion for battery life preservation

High-frequency operation permits the use of small passive components, reducing PCB size

The negative adjustable output voltage feature provides versatility for multiple design requirements

Robust operational temperature range suitable for various environments

High reliability and quality from a reputable manufacturer, Analog Devices