Manufacturer Part Number
LTC3891MPUDC#PBF
Manufacturer
Analog Devices
Introduction
High voltage, synchronous step-down DC DC controller
Product Features and Performance
High performance switching controller for power management
Step-down (Buck) topology
Synchronous rectification for improved efficiency
Single output with transistor driver
Suitable for high voltage applications up to 60V
Adjustable switching frequency from 105kHz to 835kHz
Maximum duty cycle of 99%
Enables soft start and frequency control
Features power good signal
Current limiting capability for safety and protection
Product Advantages
High efficiency due to synchronous rectification
Flexible voltage supply range catering to a variety of designs
High temperature range operation -55°C to 150°C
Stable performance with up to 99% duty cycle
Robust power management with multiple control features
Key Technical Parameters
Voltage - Supply (Vcc/Vdd): 4V ~ 60V
Frequency - Switching: 105kHz ~ 835kHz
Duty Cycle (Max): 99%
Operating Temperature: -55°C ~ 150°C (TJ)
Quality and Safety Features
Current limit feature prevents damage due to overcurrent
Thermal protection and operating at industrial-grade temperatures
Built to manage power with high reliability
Compatibility
Surface mount compatible
20-WFQFN Exposed Pad package for easy integration in design
Application Areas
Telecommunications equipment
Datacom infrastructure
Automotive electronics
Industrial control systems
High voltage power regulation systems
Product Lifecycle
Product Status: Active
Not in discontinuation phase, replacements or upgrades available
Several Key Reasons to Choose This Product
High efficiency for power sensitive applications
Broad voltage supply range for diverse power systems
Adjustable switching frequency for system optimization
Designed for harsh temperature environments
Highly integrated power control features ensure system stability and longevity
Top-notch reliability from a renowned manufacturer, Analog Devices
LTC3891IFE#TRPBFAnalog Devices Inc.IC REG CTRLR BUCK 20TSSOP