Texas Instruments UCC2800 2801 2802 2803 2804 2805-Q1 Data Sheet
Summary
The UCC280x family offers high-speed, low-power integrated circuits designed to manage off-line and DC-to-DC switching power supplies with minimal components. This manual details variable options for duty cycle and reference voltage, featuring enhanced functions like internal full-cycle soft start and leading-edge blanking of the current sense input. Suitable for both battery-operated systems (UCC2803/05) and robust off-line mains applications (UCC2802/04). Specialized UCC280xQDRQ1 parts are AEC-Q100 qualified for demanding automotive temperature ranges (-40°C to 125°C).
Manual Details
| Brand | Texas Instruments |
|---|---|
| Pages | 13 |
| File Size | 337.41 KB |
| Published | July 15, 2026 |
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Frequently Asked Questions
What products are suitable for battery-operated systems?
The UCC2803 and UCC2805 models are better suited for battery-operated systems.
What is the temperature range for automotive applications?
The UCC280xQDRQ1 series is specified for the automotive temperature range of −40°C to 125°C.
How do I choose between different UCC280x models?
Use UCC2803 or UCC2805 for battery systems, while UCC2802 and UCC2804 are ideal for off-line power supplies due to their higher reference voltage and UVLO hysteresis.
What features do the UCC280x family offer over previous devices?
The same benefits include internal full-cycle soft start and internal leading-edge blanking of the current-sense input, in addition to offering choice of maximum duty cycle.
Are these products qualified for military or aerospace use?
No. TI products are not designed or intended for military/aerospace unless specifically designated by TI as such.