Manufacturer Part Number
LT3591EDDB#TRPBF
Manufacturer
Analog Devices
Introduction
The LT3591EDDB#TRPBF is a DC DC regulator type LED driver optimized for power management applications, particularly for LED backlighting.
Product Features and Performance
Functions as a Step-Up (Boost) DC DC Regulator
Equipped with an Internal Switch
Single output channel
Supports a PWM dimming function
Operates at a switching frequency of 1MHz
Product Advantages
High efficiency due to the boost converter topology
Internal switch reduces external component count
Capable of driving 500mA output current per channel
Wide input voltage range from 2.5V to 12V supports a variety of power sources
Key Technical Parameters
Minimum Voltage Supply: 2.5V
Maximum Voltage Supply: 12V
Current Output / Channel: 500mA
Switching Frequency: 1MHz
Operating Temperature Range: -40°C to 85°C
Quality and Safety Features
Built-in thermal shutdown for overheat protection
Under voltage lockout ensures stability across voltage ranges
Robust surface mount (8-WFDFN Exposed Pad) packaging
Compatibility
Suitable for LED backlight applications in various electronic devices
Compatible with PWM dimming control methods
Application Areas
LED backlighting for automotive dashboards and consumer electronics
Portable and handheld devices requiring efficient light solutions
Product Lifecycle
Currently active and not near discontinuation
Future product upgrades and replacements are planned to ensure continuity and modernization
Several Key Reasons to Choose This Product
Reliable high current output capacity makes it ideal for high brightness LEDs
Versatile input voltage range increases compatibility with different power supplies
High frequency operation allows for smaller external components, reducing the overall footprint
Resilient to thermal and electrical deviations, ensuring long-term reliability
Comes in taped and reel packaging ideal for automated assembly processes