Manufacturer Part Number
UCC28634DR
Manufacturer
Texas Instruments
Introduction
The UCC28634DR is an integrated Power Management IC designed for AC DC converters and offline switches, tailored for efficient power conversion and control.
Product Features and Performance
Flyback topology for efficient power conversion.
Operates in a wide voltage supply range from 8V to 20V.
Supports a duty cycle up to 70%, adapting to various load conditions.
Flexible switching frequency from 200Hz to 120kHz, allowing design optimization.
Designed to deliver up to 30W of power.
Features fault protection mechanisms such as current limiting, overload protection, over-temperature shut-off, and over-voltage lockout to ensure reliable operation under fault conditions.
Product Advantages
High-efficiency power conversion.
Versatility in handling a broad spectrum of input voltages.
Integrated protection features enhance product reliability and safety.
Suitable for applications requiring isolated output configuration.
Extended operating temperature range of -40°C to 125°C supports use in harsh environments.
Key Technical Parameters
Voltage Start Up: 14.75V
Voltage Supply (Vcc/Vdd): 8V ~ 20V
Duty Cycle: 70%
Frequency Switching: 200Hz ~ 120kHz
Power (Watts): 30W
Operating Temperature: -40°C ~ 125°C (TJ)
Quality and Safety Features
Overload, over temperature, and over voltage protections.
Current limiting feature for enhanced safety and product longevity.
Compatibility
The device's packaging (8-SOIC, 7 Leads) and surface mount type facilitate compatibility with a wide range of PCB designs.
Application Areas
High efficiency, isolated power supplies.
AC/DC power supplies for consumer electronics.
Power adaptors and smart chargers.
Product Lifecycle
Product Status: Last Time Buy indicating the phase-out stage and the need for customers to consider future replacements or upgrades.
Several Key Reasons to Choose This Product
High reliability and integrated protection features ensure long-term performance under varying conditions.
Flexible design parameters assist engineers in optimizing power solutions for specific applications.
Texas Instruments' reputation for quality and support.
Wide application potential from consumer electronics to industrial power systems.
Proactive consideration of lifecycle status for future planning and replacement strategies.
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