• UCC28881D SOIC-7
UCC28881D SOIC-7

UCC28881D

AC to DC Switching Converter Flyback 75kHz Tube 7-Pin SOIC

Quantity Unit Price(USD) Ext. Price
1 $1.329 $1.33
10 $1.219 $12.19
30 $1.151 $34.53
100 $1.080 $108.00
500 $1.049 $524.50
1000 $1.034 $1,034.00

Inventory:6,073

*The price is for reference only.
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Quick Inquiry

Please submit RFQ for UCC28881D or email to us: Email: [email protected], we will contact you in 12 hours.

Overview of UCC28881D

The UCC28881 integrates the controller and a 14-Ω, 700-V power MOSFET into one monolithic device. The device also integrates a high-voltage current source, enabling start up and operation directly from the rectified mains voltage. UCC28881 is the same family device of UCC28880, with higher current handling capability.

The low quiescent current of the device enables excellent efficiency. With the UCC28881 the most common converter topologies, such as buck, buck-boost and flyback can be built using a minimum number of external components.

The UCC28881 incorporates a soft-start feature for controlled start up of the power stage which minimizes the stress on the power-stage components.

UCC28881D

Key Features

  • Integrated 14-Ω, 700-V Power MOSFET
  • Integrated High-Voltage Current Source for Internal Device Bias Power
  • Integrated Current Sense
  • Internal Soft Start
  • Self-Biased Switcher (Start Up and Operation Directly from Rectified Mains Voltage)
  • Supports Buck, Buck-Boost and Flyback Topologies
  • <100-μA Device Quiescent Current
  • Robust Current Protection During Load Short Circuit
  • Protection
    • Current Limit
    • Overload and Output Short Circuit
    • Over Temperature

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Control mode Voltage UVLO thresholds on/off (V) 3.9/3.6
Duty cycle (max) (%) 55 Switching frequency (max) (kHz) 62
Features Current limiting, Green mode, High voltage startup, High-voltage startup, Integrated Switch, Leading edge blanking, Light load efficiency, Light-load efficiency, Low power, Overcurrent protection, Overtemperature protection, Soft start, Thermal shutdown Operating temperature range (°C) -40 to 125
Rating Catalog Device type Controllers
Topology Buck, Buck boost, Buck-Boost, Flyback

Warranty & Returns

Warranty, Returns, and Additional Information

  • QA & Return Policy

    Parts Quality Guarantee: 365 days

    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

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