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Texas Instruments UCC28881DR | Demoboard TIDA-010250
UCC28881 700-V, 225-mA Low Quiescent Current Off-Line Converter
Overview
| Topology | Motor Drive |
| Switching frequency | 52-75 kHz |
| IC revision | 00 |
Description
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.
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
Typical applications
- AC-to-DC Power Supplies(Non-Isolated Buck Converter with Output Current up to 225 mA for CCM;150 mA for DCM), E-Meter, Home Automation SMPS, Bias Power for MCU, RF and IoT Enabled Devices
- Appliances, White Goods and LED Drivers
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | ISAT,10%(A) | ISAT,30%(A) | fres(MHz) | IRP,40K(A) | C | Safety Class | dV/dt(V/µs) | DF @ 1 kHz(%) | RISO | Pitch(mm) | Packaging | ISAT(A) | Pins | Type | G(mm) | Working Voltage(V (AC)) | Operating Temperature | IR(A) | L(µH) | RDC max.(Ω) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | W(mm) | H(mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TI HV Radial Leaded Wire Wound Inductor (High Voltage), 0.38 A, 0.5 A | Status Activei| Production is active. Expected lifetime: >10 years. | Saturation Current @ 10%0.38 A | Saturation Current @ 30%0.5 A | Self Resonant Frequency1.4 MHz | – | – | – | – | – | – | – | – | Saturation Current0.38 A | – | – | – | – | Operating Temperature -40 °C up to +125 °C | Rated Current0.35 A | Inductance1800 µH | DC Resistance3.5 Ω | – | – | MaterialNiZn | Length7.8 mm | Width7.8 mm | Height9.5 mm | MountTHT | |||||
 | WE-MAIA SMT Power Inductor, 1.6 A, 3.1 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAIA SMT Power Inductor | Saturation Current @ 10%1.6 A | Saturation Current @ 30%3.1 A | Self Resonant Frequency25 MHz | Performance Rated Current1.75 A | – | – | – | – | – | – | – | – | Pins2 | – | – | – | Operating Temperature -40 °C up to +125 °C | – | Inductance6.8 µH | DC Resistance0.287 Ω | – | – | – | Length3 mm | Width3 mm | Height1.5 mm | MountSMT | ||||
 | WE-CMBNC Common Mode Power Line Choke Nanocrystalline, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CMBNC Common Mode Power Line Choke Nanocrystalline | – | – | – | – | – | – | – | – | – | – | – | – | Pins4 | – | Pin length5 mm | – | Operating Temperature -55 °C up to +125 °C | Rated Current7 A | Inductance7000 µH | DC Resistance0.022 Ω | Rated Voltage300 V (AC) | Insulation Test Voltage2100 V (AC) | MaterialNanocrystalline | Length29 mm | Width19 mm | Height28 mm | MountTHT | ||||
 | WCAP-FTX2 Film Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTX2 Film Capacitors | – | – | – | – | Capacitance470 nF | Safety ClassX2 | Rate of Voltage Rise280 V/µs | Dissipation Factor0.1 % | Insulation Resistance21.28 GΩ | Pitch12.5 mm | PackagingBulk | – | – | – | Pin length18 mm | – | Operating Temperature -40 °C up to +105 °C | – | – | – | Rated Voltage275 V (AC) | – | – | Length15 mm | Width10 mm | Height16 mm | MountBoxed THT | ||||
| WCAP-FTX2 Film Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTX2 Film Capacitors | – | – | – | – | Capacitance100 nF | Safety ClassX2 | Rate of Voltage Rise300 V/µs | Dissipation Factor0.1 % | Insulation Resistance30 GΩ | Pitch15 mm | PackagingBulk | – | – | – | Pin length18 mm | – | Operating Temperature -40 °C up to +105 °C | – | – | – | Rated Voltage275 V (AC) | – | – | Length18 mm | Width6 mm | Height12 mm | MountBoxed THT | ||||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | – | Insulation Resistance1000 MΩ | Pitch2.54 mm | PackagingBag | – | Pins5 | TypeStraight | – | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | Rated Current3 A | – | – | – | – | – | Length12.7 mm | – | – | MountTHT |