Manufacturer Part Number
LTC3631EMS8E-5#TRPBF
Manufacturer
Analog Devices, Inc.
Introduction
The LTC3631 is a high-efficiency, high-voltage, synchronous step-down regulator that provides a single fixed 5V output from an input voltage range of 4.5V to 45V. This device is ideal for a wide range of high-voltage applications.
Product Features and Performance
High-efficiency synchronous step-down topology
Wide input voltage range from 4.5V to 45V
Fixed 5V output
Up to 100mA output current
Integrated high-side and low-side MOSFETs
Switching frequency up to 2MHz
Extremely low quiescent current of 30μA
Thermal shutdown and overcurrent protection
Product Advantages
High efficiency across a wide input voltage range
Compact size and low external component count
Robust protection features for reliable operation
Suitable for a variety of high-voltage applications
Key Technical Parameters
Input Voltage Range: 4.5V to 45V
Output Voltage: 5V (fixed)
Output Current: Up to 100mA
Switching Frequency: Up to 2MHz
Quiescent Current: 30μA
Operating Temperature Range: -40°C to 125°C
Quality and Safety Features
RoHS3 compliant
Thermal shutdown and overcurrent protection
Compatibility
Surface mount package: 8-MSOP-EP
Suitable for a wide range of high-voltage applications
Application Areas
Industrial equipment
Automotive systems
Medical devices
Consumer electronics
Product Lifecycle
The LTC3631 is an active product and is not nearing discontinuation. Replacement or upgrade options may be available from Analog Devices, Inc.
Several Key Reasons to Choose This Product
Wide input voltage range from 4.5V to 45V, making it suitable for a variety of high-voltage applications.
Highly efficient synchronous step-down topology for power-sensitive designs.
Compact size and low external component count for space-constrained applications.
Robust protection features, including thermal shutdown and overcurrent protection, ensure reliable operation.
Suitable for industrial, automotive, medical, and consumer electronics applications.