Manufacturer Part Number
FDMF6705B
Manufacturer
onsemi
Introduction
The onsemi FDMF6705B is a high-performance, fully-integrated half-bridge power stage solution designed for synchronous buck converter applications. It combines two DrMOS power stages and integrated high-side and low-side gate drivers in a single 40-pin PowerTFQFN package.
Product Features and Performance
Integrated high-side and low-side DrMOS power stages for efficient synchronous buck conversion
Wide input voltage range of 4.5V to 5.5V
Wide output voltage range of 3V to 24V
High output current capability of 38A per channel
Low RDS(on) of 1Ω for both high-side and low-side transistors
Bootstrap circuit for high-side gate drive
Comprehensive fault protection including over-temperature, shoot-through, and UVLO
Status flag for fault indication
Product Advantages
Highly integrated solution reduces component count and simplifies design
Efficient power conversion with low conduction losses
Robust protection features ensure reliable and safe operation
Compact PowerTFQFN package enables small solution size
Key Reasons to Choose This Product
Optimized for high-performance, high-efficiency synchronous buck converter designs
Excellent thermal performance and power density for demanding applications
Comprehensive protection features enhance system reliability
Easy to design-in with minimal external components required
Quality and Safety Features
AEC-Q100 qualified for automotive applications
Robust over-temperature, shoot-through, and UVLO protection
Meets stringent quality and reliability standards
Compatibility
The FDMF6705B is compatible with a wide range of microcontrollers and digital signal processors that provide PWM control signals.
Application Areas
Synchronous buck converters
Motor drivers
Industrial and consumer power supplies
Automotive systems
Product Lifecycle
The FDMF6705B is an obsolete product. Customers are advised to contact our website's sales team for information on equivalent or alternative models that may be available.