Manufacturer Part Number
LTC3850EUFD#PBF
Manufacturer
Analog Devices
Introduction
The LTC3850 is a high-performance, synchronous step-down switching regulator controller that drives dual N-channel power MOSFET stages.
Product Features and Performance
Dual output stages
Step-down regulator with high-efficiency synchronous operation
Wide input voltage range of 4V to 24V
Switching frequency range from 250kHz to 780kHz
Maximum duty cycle of 97.2%
Supports current limit, soft start, power good, and tracking for system reliability
Thermal and over-current protection
Product Advantages
High efficiency lowers system power consumption
Dual-phase operation reduces input and output ripple
2% duty cycle allows low dropout operation
Adaptable switching frequency for optimizing inductor size and efficiency
Synchronous rectification enhances efficiency
Key Technical Parameters
Supply Voltage: 4V ~ 24V
Switching Frequency: 250kHz ~ 780kHz
Output Phases: 2
Duty Cycle (Max): 97.2%
Operating Temperature Range: -40°C ~ 85°C
Quality and Safety Features
Built-in current limit feature for over-current protection
Thermal protection ensures safe operation under high temperature conditions
Compatibility
Surface Mount 28-WFQFN Exposed Pad package for compatibility with standard PCB layouts
Compatible with design environments that require high power density and efficiency
Application Areas
Distributed Power Systems
Networking and Telecom Equipment
Automotive and Industrial Control Systems
Computing and Storage Systems
Product Lifecycle
Product Status: Active
Not nearing discontinuation
Replacements or upgrades available as necessary
Several Key Reasons to Choose This Product
Optimized for fast transient response
Versatile enough to support a broad range of voltages and applications
Synchronous operation for improved efficiency
Configurable switching frequency for design flexibility
Robust safety features ensure long-term reliability
LTC3850GN-2Linear Technology / Analog Devices
LTC3850EUFLT