Manufacturer Part Number
UCC3803DTR
Manufacturer
Texas Instruments
Introduction
The UCC3803DTR is a compact, low-power pulse width modulation (PWM) controller used for managing power in DC-DC switching applications.
Product Features and Performance
Supports step-up, step-down, and step-up/step-down voltage regulation
Can be used in buck, boost, flyback, and forward converter topologies
Integrated transistor driver to interface directly with external power devices
Highly efficient with a maximum duty cycle of 99%
Frequency control for optimized performance
Product Advantages
Low operating voltage range suitable for various applications
Supports a wide frequency range of switching, suitable for different types of power supplies
High duty cycle capability for efficient operation at low voltages
Minimal external components needed due to integrated features
Key Technical Parameters
Number of Outputs: 1
Output Phases: 1
Voltage Supply (Vcc/Vdd): 3.6V to 12V
Frequency - Switching: 31kHz
Duty Cycle (Max): 99%
Quality and Safety Features
Operates within a temperature range of 0°C to 70°C
Built to industry standards for surface mount technology
Compatibility
Requires external components that are compatible with the 3.6V to 12V range
Compatible with various transformer and inductor types for different converter topologies
Application Areas
Used in power supplies for consumer electronics, telecommunications, and industrial equipment
Product Lifecycle
Status: Active
The product is not near discontinuation, with continuous support from Texas Instruments.
Several Key Reasons to Choose This Product
Flexible power management suitable for multiple applications
Texas Instruments' reputable quality and reliability
High efficiency due to high maximum duty cycle
Low minimum operating voltage extends application usability
Ease of integration into existing designs with minimal external component requirements
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