Manufacturer Part Number
LTC3851EMSE#PBF
Manufacturer
Analog Devices
Introduction
The LTC3851EMSE#PBF is a high performance step-down switching regulator controller for power management.
Product Features and Performance
Synchronous rectification for improved efficiency
Wide input voltage range: 4V ~ 38V
Adjustable switching frequency: 250kHz ~ 750kHz
High duty cycle: up to 99%
Single output with transistor driver
Buck topology for step-down voltage conversion
Soft start function to minimize inrush current
Current limit feature for overcurrent protection
Frequency control for system optimization
Tracking capability for sequential startup
Product Advantages
Enables precise control of output voltage
Can handle a wide range of input voltages
Improves power conversion efficiency
Compatible with various types of loads
Offers protection against abnormal operating conditions
Key Technical Parameters
Output Type: Transistor Driver
Function: Step-Down
Topology: Buck
Number of Outputs: 1
Voltage - Supply (Vcc/Vdd): 4V ~ 38V
Frequency - Switching: 250kHz ~ 750kHz
Duty Cycle (Max): 99%
Synchronous Rectifier: Yes
Operating Temperature: -40°C ~ 85°C (TA)
Quality and Safety Features
Built-in current limit for overcurrent protection
Conforms to high operating temperature standards
Compatibility
Surface mount compatible
16-TFSOP exposed pad package for better heat dissipation
Application Areas
Suitable for various electronic systems requiring efficient DC-DC power conversion, including automotive, industrial, and telecommunication applications.
Product Lifecycle
Product Status: Active
Not nearing discontinuation
Availability of replacements or upgrades can be checked with the manufacturer
Several Key Reasons to Choose This Product
Efficient power management with synchronous rectification
Handles a wide range of input voltages, ensuring versatility in different applications
High switching frequency range allows for a compact power supply design with small external components
High duty cycle capability suitable for high power applications
Industry-grade operating temperature range makes it suitable for harsh environments
Reliability ensured by Analog Device's commitment to quality in power management products
LTC3851EMSE-1Linear Technology / Analog Devices