Manufacturer Part Number
LT8640EUDC-1#TRPBF
Manufacturer
Analog Devices, Inc.
Introduction
Highly Integrated, Highly Efficient Step-Down DC/DC Converter
Product Features and Performance
High efficiency, up to 94% peak efficiency
210 kHz to 2 MHz adjustable switching frequency
5A continuous output current
Adjustable output voltage from 0.97V to 42V
Synchronous rectification for high efficiency
Internal compensation, no need for external compensation components
Low noise Silent Switcher1 architecture
Input voltage range from 3.4V to 42V
Thermal shutdown, overcurrent, and overvoltage protection
Product Advantages
Compact size with 20-pin 3mm x 4mm QFN package
Robust protection features
Flexible and adjustable output
High efficiency across a wide load range
Key Technical Parameters
Manufacturer Part Number: LT8640EUDC-1#TRPBF
Package: 20-WFQFN, 18 Leads, Exposed Pad
Output Type: Adjustable
Mounting Type: Surface Mount
Operating Temperature: -40°C ~ 125°C (TJ)
Output Voltage: 0.97V to 42V
Output Current: 5A
Switching Frequency: 210 kHz to 2 MHz
Quality and Safety Features
ROHS3 Compliant
Thermal shutdown, overcurrent, and overvoltage protection
Compatibility
Compatible with a wide range of electronic devices and applications that require a regulated, efficient power supply.
Application Areas
Industrial and Automation Equipment
Telecommunications and Networking Equipment
Portable Electronics and Devices
Medical Equipment
Automotive Electronics
Product Lifecycle
The LT8640 is an active product and is not nearing discontinuation.
Replacement and upgrade options are available from Analog Devices.
Several Key Reasons to Choose This Product
Highly efficient performance with up to 94% peak efficiency
Wide input voltage range from 3.4V to 42V
Adjustable output voltage from 0.97V to 42V
Compact size with a 20-pin 3mm x 4mm QFN package
Robust protection features including thermal shutdown, overcurrent, and overvoltage protection
Flexible and adjustable switching frequency from 210 kHz to 2 MHz
Synchronous rectification for high efficiency
Internal compensation, no need for external compensation components