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Home Product UCC28631D Texas Instruments Quasi-Resonant Flyback PWM Controller for AC/DC Power Supplies
UCC28631D

UCC28631D Texas Instruments Quasi-Resonant Flyback PWM Controller for AC/DC Power Supplies

UCC28631D Power Controller
UCC2863x Series IC
Quasi-Resonant Flyback Design
UCC28631D
UCC28631D Power Controller from UCC2863x Series IC enables Quasi-Resonant Flyback Design for high-efficiency, low-loss power conversion in adapters, chargers, and auxiliary supplies. Optimizes performance via valley switching and adaptive frequency control.
Categories:Electronic components
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Product Description

The UCC28631D Power Controller from the UCC2863x Series IC family is a highly integrated quasi-resonant flyback design solution for AC/DC power converters. It operates across a universal input voltage range (85-265 VAC) and supports direct connection to external MOSFETs, transformers, and feedback circuits for efficient power delivery. Designed for applications in consumer electronics, industrial power systems, and LED lighting, the IC offers advanced features like valley switching, frequency modulation, and comprehensive protection (over-voltage, over-current, thermal shutdown). It operates in a temperature range of -40°C to 125°C. Advantages include high efficiency (up to 90%+), reduced EMI, and optimized light-load performance. A key design challenge involves precise tuning of quasi-resonant parameters for stability. Battery or display features are not applicable as it focuses on power regulation.
Parameter Specification
Device Type UCC28631D Power Controller (UCC3x Series IC)
Topology Quasi-Resonant Flyback Design
Input Voltage Range 85 VAC to 265 VAC
Output Power Range Up to 30 W
Switching Frequency Adjustable up to 300 kHz
VDD Operating Voltage 10 V to 28 V
Standby Power Consumption < 100 mW
Peak Current Limiting Programmable via External Resistor
Protection Features OVP, OCP, OTP, UVLO
Package Type SOIC-8
question:Do you provide technical selection services?
answer:Yes, we offer expert technical selection support to meet your requirements.
question:Can I apply for low-value declaration for shipments?
answer:Yes, eligible low-value shipments can be processed with proper documentation.
question:Why can other suppliers source discontinued models you can't provide?
answer:Suppliers may access residual stock or specialized channels unavailable to us.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Do you provide technical selection services?
answer:Yes, we offer expert technical selection support to meet your requirements.
question:Can I apply for low-value declaration for shipments?
answer:Yes, eligible low-value shipments can be processed with proper documentation.
question:Why can other suppliers source discontinued models you can't provide?
answer:Suppliers may access residual stock or specialized channels unavailable to us.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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