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TI UCC28881DRoHS

Manufacturer
TI
MPN
UCC28881D
LCSC Part #
C2869478
Packaging
SOIC-7
Customer #
Key Attributes
700V, 225mA Offline Converter with Low Quiescent Current
Datasheetpdf iconTI UCC28881D
In-Stock: 78
78 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 2.7652$ 2.77
10+$ 2.3858$ 23.86
30+$ 2.1497$ 64.49
100+$ 1.907$ 190.70
500+$ 1.7963$ 898.15
1,000+$ 1.7491$ 1749.10
Standard Packaging75/Full Tube
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/AC DC Converters, Offline Switchers
ManufacturerTI
PackagingSOIC-7
Operating Temperature-40℃~+125℃
Output Current225mA
Frequency - Switching62kHz
Pd - Power Dissipation-
Voltage - Breakdown700V
Voltage - Supply5V
FeaturesHigh voltage direct start;Under-voltage lockout;Soft-start;Over Current Protection;Short Circuit Protection;Overtemperature protection (OTP)
TopologyBuck;Buck-Boost;Flyback
Output Voltage-
Duty Cycle(Max)55%
Feedback System-
Working ModeCCM;DCM
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging75
Sales UnitPiece

Introduction

AI Translation

The UCC28881 integrates a controller and a 14Ω, 700V power MOSFET in a monolithic device. The device also integrates a high-voltage current source, enabling direct startup and operation from rectified line voltage. It features high current handling capability. The device's low quiescent current delivers excellent efficiency. With the UCC28881, the most common converter topologies — including buck, buck-boost, and flyback — can be implemented with minimal external components. The UCC28881 integrates a soft-start function that controls power stage startup, minimizing stress on power stage components.

Features

AI Translation
  • Integrated 14Ω, 700V power MOSFET
  • Integrated high-voltage current source for built-in device bias supply
  • Integrated current sensing
  • Internal soft-start
  • Self-biased switch (direct startup and operation from rectified mains voltage)
  • Supports buck, buck/boost, and flyback topologies
  • Device quiescent current < 100μA
  • Stable current protection during load short-circuit
  • Protection current limiting
  • Protection against overload and output short-circuit
  • Thermal shutdown protection

Applications

AI Translation
  • AC-DC power supply (non-isolated buck converter with output current up to 225mA in CCM and 150mA in DCM)
  • Electricity meters, home automation SMPS
  • Bias supply for MCU, RF, and IoT devices
  • Home appliances, white goods, and LED drivers