Manufacturer Part Number
LT1931IS5#TRMPBF
Manufacturer
Analog Devices
Introduction
The LT1931IS5#TRMPBF is a versatile, compact Cuk topology switching regulator optimized for power management tasks, offering both step-up and step-down capabilities.
Product Features and Performance
Cuk topology for efficient power conversion
Adjustable output voltage ranging from -1.255V to -34V
Capable of handling up to 1A switch current
High-frequency switching at 1.2MHz enables compact peripheral components
Supports a wide range of input voltage from 2.45V to 16V
Operates across a broad temperature range (-40°C to 85°C)
Product Advantages
Enables design of flexible and efficient power supply circuits
Supports negative output voltages for specialized applications
High switching frequency facilitates the use of smaller, low-cost capacitors and inductors
Suitable for battery-operated devices due to its wide input voltage range
Key Technical Parameters
Input Voltage (Min): 2.45V
Input Voltage (Max): 16V
Output Voltage (Min/Fixed): -1.255V
Output Voltage (Max): -34V
Output Current: 1A (Switch)
Switching Frequency: 1.2MHz
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Built-in thermal protection for improved safety and reliability
Engineered to meet stringent Analog Devices quality standards
Compatibility
Compatible with a vast range of inductors and capacitors, allowing for flexible circuit designs
Application Areas
Negative voltage regulators in telecommunications
Power supplies for portable and battery-operated devices
Industrial control systems
Medical equipment
Product Lifecycle
Currently in the Active phase with no announced discontinuation, ensuring long-term availability and support
Several Key Reasons to Choose This Product
Versatile functionality with both step-up and step-down operation, suitable for a diverse range of applications
High-efficiency design promotes energy savings and reduces heat generation
Compact SOT-23-5 package enables space-saving designs
High-frequency operation allows for smaller, cheaper, and more efficient external components
Reliable performance across a wide temperature and voltage range, ensuring operation in harsh environments