Manufacturer Part Number
UCC3803D
Manufacturer
Texas Instruments
Introduction
The UCC3803D is a low-power, BiCMOS current-mode Pulse Width Modulation (PWM) controller designed for a wide range of DC-DC conversion applications including boost, buck, flyback, and forward converters.
Product Features and Performance
Low power operation
Current-mode control for fast response
Integrated transistor driver
Supports step-up, step-down, and step-up/step-down configurations
Positive output configuration
Capable of driving a wide range of topologies including Buck, Boost, Flyback, and Forward Converter
Product Advantages
High efficiency with a maximum duty cycle of 99%
Frequency control features enhance performance
Operates over a supply voltage range of 3.6V to 12V
Versatile for various circuit topologies
Key Technical Parameters
Voltage Supply (Vcc/Vdd): 3.6V ~ 12V
Frequency Switching: 31kHz
Duty Cycle (Max): 99%
Operating Temperature: 0°C ~ 70°C
Quality and Safety Features
Robust operating temperature range ensuring reliable performance across various environments
Compatibility
Surface mount, 8-SOIC package compatible with standard PCB technology
Application Areas
Power supplies for consumer electronics
Battery-powered devices
Communication equipment
Power adaptors
Product Lifecycle
Currently active with ongoing production
Not nearing discontinuation
Replacements or upgrades available within Texas Instruments' portfolio
Several Key Reasons to Choose This Product
Highly versatile for multiple DC-DC converter configurations
High maximum duty cycle allowing efficient power conversion
Suitable for low power and compact size applications
Reliable performance supported by a reputable manufacturer, Texas Instruments
Wide operating voltage and temperature ranges accommodate various application needs
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