Manufacturer Part Number
LT3479EDE#PBF
Manufacturer
analog-devices
Introduction
The LT3479EDE#PBF is a versatile DC DC switching regulator designed for power management, capable of step-up, step-down, and inverting applications. It features adjustable output and is suited for a wide range of input voltages.
Product Features and Performance
Adjustable output voltage ranging from 1.235V to 42V.
Supports input voltages from 2.3V to 24V.
Capable of delivering up to 3A of switch current.
Flexible switching frequency from 200kHz to 3.5MHz.
Operates in boost topology for step-up applications.
Can be configured for positive or negative output.
Designed for surface mount technology, facilitating compact PCB layout.
Product Advantages
High versatility due to adjustable output.
Wide input voltage range supports various power sources.
High-frequency operation allows for smaller external components, reducing overall space and cost.
The absence of a synchronous rectifier simplifies the circuit design.
Suitable for both step-up and inverting applications, offering design flexibility.
Key Technical Parameters
Voltage Input (Min): 2.3V
Voltage Input (Max): 24V
Voltage Output (Min/Fixed): 1.235V
Voltage Output (Max): 42V (Switch)
Current Output: 3A (Switch)
Frequency Switching: 200kHz ~ 3.5MHz
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Operates reliably within a wide temperature range of -40°C to 85°C.
Encased in a 14-WFDFN exposed pad package to ensure heat dissipation and stability under operation.
Compatibility
Mounting Type: Surface Mount
Package / Case: 14-WFDFN Exposed Pad
Compatible with various circuit designs due to its flexibility in output voltages and switching frequencies.
Application Areas
Portable electronics power management
Automotive power systems
Industrial control power supplies
LED lighting drivers
Battery-powered equipment
Product Lifecycle
Currently active, with no immediate plans for discontinuation.
Availability of replacements or upgrades will be supported by analog-devices.
Several Key Reasons to Choose This Product
Broad input and output voltage ranges make it suitable for a variety of power supply designs.
High switch current capacity of up to 3A enables it to handle high power applications.
The flexibility of switching frequency allows for optimization between efficiency and component size.
Its capability to produce either positive or negative output voltages provides design versatility.
Encapsulation in a robust package ensures durability and long-term reliability in various environments.
Supported by analog-devices, ensuring ongoing product support and availability.