Manufacturer Part Number
LTC3850EUFD#TRPBF
Manufacturer
Analog Devices
Introduction
High-performance dual-output synchronous step-down switching controller
Product Features and Performance
Dual output synchronous buck regulator
Two-phase operation reduces required input and output capacitance
Up to 97.2% maximum duty cycle
Wide input voltage range: 4V to 24V
Switching frequency adjustable from 250kHz to 780kHz
Supports topologies such as two-phase single output or dual outputs
Product Advantages
High efficiency due to synchronous rectification
Adjustable current limit for design flexibility
Power Good signal for sequencing and supervision
Soft start and frequency control for managed power-up
Key Technical Parameters
Voltage - Supply (Vcc/Vdd): 4V to 24V
Frequency - Switching: 250kHz to 780kHz
Duty Cycle (Max): 97.2%
Number of Outputs: 2
Output Phases: 2
Topology: Buck
Output Configuration: Positive
Output Type: Transistor Driver
Function: Step-Down
Quality and Safety Features
Overtemperature protection
Current limit for device and load protection
Operating Temperature range: -40°C to 85°C
Compatibility
Surface Mount technology compatible
28-WFQFN Exposed Pad package for improved thermal performance
Application Areas
Power regulation for telecommunications
Multistage power systems
High-density power systems
Complex digital systems like processors, FPGAs, and ASICs
Product Lifecycle
Product Status: Active
Robust lifecycle with support for future designs
Several Key Reasons to Choose This Product
Efficient power management for multi-voltage systems
Scalable performance to cater for future expansion
Optimized for fast transient response
Ease of integration within complex systems
Availability of detailed technical documentation and support from Analog Devices