Manufacturer Part Number
LT3640IFE#TRPBF
Manufacturer
Analog Devices
Introduction
The LT3640 is a step-down DC/DC switching regulator designed to deliver constant voltage regulation for a variety of applications.
Product Features and Performance
Step-Down (Buck) topology
Adjustable output voltage
Dual output channels
Wide input voltage range from 2.5V to 35V
Adjustable switching frequency from 500kHz to 2MHz
Able to provide up to 1.1A and 1.3A of output current
High efficiency and low quiescent current
Stable with low ESR ceramic capacitors
Thermal shutdown and overcurrent protection
Product Advantages
Flexibility with adjustable output voltage and switching frequency
Suitable for a wide range of input voltages
Dual outputs for powering multiple devices
Good thermal performance with an exposed pad TSSOP package
Robust protection features for enhanced reliability
Key Technical Parameters
Voltage - Input (Min): 2.5V
Voltage - Input (Max): 35V
Voltage - Output (Min/Fixed): 0.6V, 1.265V
Voltage - Output (Max): 33.97V
Current - Output: 1.1A, 1.3A
Frequency - Switching: 500kHz ~ 2MHz
Operating Temperature: -40°C ~ 125°C (TJ)
Quality and Safety Features
Overcurrent protection
Thermal shutdown circuitry
High reliability and longevity
Compatibility
Compatible with a variety of capacitors, including low ESR ceramics
Suitable for surface mount techniques with a TSSOP-EP package
Application Areas
Telecommunications
Automotive systems
Distributed power systems
Portable electronics
Battery-powered devices
Product Lifecycle
Active status, not nearing discontinuation
Potential availability of future upgrades or replacements
Several Key Reasons to Choose This Product
Robust input voltage range for diverse power supply conditions
High efficiency for energy-sensitive applications
Dual output capability to simplify design and reduce component count
Adjustable frequency to optimize performance
Durable design with comprehensive protection features for safety and reliability
LT3641IFELinear Technology
LT3640EUFD
LT3640IUFD PBFADI (Analog Devices, Inc.)