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TEXAS INSTRUMENTS UCC28630D

AC/DC Converter Controller IC, Flyback, Primary-Side Regulation, 30 W, SOIC-7

TEXAS INSTRUMENTS UCC28630D
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Manufacturer Part No:
UCC28630D
Order Code:
3121956
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ECAD / MCAD
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Product Overview

The UCC28630D is a high power Fly-back Converter with primary-side regulation and peak power mode. The powerful gate driver and ability to operate in both CCM and DCM make the device suitable for applications with a wide power range. The peak power mode allows transient peak power delivery up to 200% of nominal rating, with only a 25% peak current increase, maximizing transformer utilization. The transformer bias winding is used to sense output voltage for regulation and for low-loss input voltage sensing. Advanced sampling and processing techniques allow CCM operation and deliver excellent output voltage regulation performance for opto-coupler-less designs at power levels of 100W and above. Advanced light-load modes are deployed to reduce both controller and system power consumption at no load and light load. These modes enable potential system designs to meet 30mW no-load power for power designs up to 30W nominal, 60W peak.
  • High-power, primary-side regulation for output voltage and current, no optocoupler required
  • Continuous conduction mode and discontinuous conduction mode operation
  • Active X-capacitor discharge function
  • Adjustable constant-current mode limiting
  • Peak-power mode for transient overload
  • Shutdown pin interface for external NTC
  • Frequency dither to ease EMI compliance
  • High gate drive current 1A source and 2A sink
  • Low power modes for <30mW system standby
  • Best-in-class light load (10%) efficiency >85% for 65W nominal power design
  • Green product and no Sb/Br

Applications

Computers & Computer Peripherals, Consumer Electronics, Power Management, Industrial

Product Information

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SOIC

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7Pins

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30W

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Flyback

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-40°C

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125°C

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-

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MSL 2 - 1 year

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