Manufacturer Part Number
LT3970EMS-3.3#PBF
Manufacturer
Analog Devices
Introduction
A compact, high-efficiency, step-down DC DC switching regulator for power management applications.
Product Features and Performance
Buck topology for step-down voltage conversion
Single fixed output of 3.3V
Supports input voltage range from 4.2V to 40V
350mA output current capability
Adjustable switching frequency from 200kHz to 2.25MHz
Operational over a wide temperature range from -40°C to 125°C
Surface mount 10-MSOP package for space-saving design
Product Advantages
Wide input voltage range suitable for diverse applications
High-efficiency conversion reduces power loss
Flexible switching frequency allows optimization between efficiency and external component size
High temperature operational range suitable for challenging environments
Key Technical Parameters
Voltage - Input (Min): 4.2V
Voltage - Input (Max): 40V
Voltage - Output (Min/Fixed): 3.3V
Current - Output: 350mA
Frequency - Switching: 200kHz to 2.25MHz
Operating Temperature: -40°C to 125°C (TJ)
Quality and Safety Features
Built-in thermal protection
Stable operation throughout specified temperature range
Reliability conforming to industry standards
Compatibility
Compatible with surface mount technology for PCB assembly
Mounting Type: Surface Mount
Package / Case: 10-TFSOP, 10-MSOP
Application Areas
Power supply for microcontrollers
Consumer electronics
Portable battery-powered devices
Embedded systems
Telecommunications equipment
Product Lifecycle
Active status, not reported as nearing discontinuation
Base Product Number ensures identification for replacements
Several Key Reasons to Choose This Product
Efficient power management for extending battery life in portable devices
Robust performance in a wide range of operating conditions
Highly adjustable to fit specific design requirements
Ease of integration with surface-mount compatible design
Renowned reliability from Analog Devices as the manufacturer