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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) | Application | C | Safety Class | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Operating Temperature | Pitch (mm) | ISAT (A) | IR (A) | L (µH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Pins (Value) | Rows | G (mm) | Gender | Type | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 78438335068 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-MAIA SMT Power Inductor | 1.6 | 3.1 | 25 | 1.75 | – | – | – | – | – | – | – | – | – | – | 6.8 | 287 | – | – | – | 3 | 3 | 1.5 | SMT | 2 | – | – | – | – | – | ||
 | 7448040707 | SPEC | 10 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CMBNC Common Mode Power Line Choke Nanocrystalline | – | – | – | – | – | – | – | – | – | – | – | – | – | 7 | 7000 | 22 | 300 | 2100 | Nanocrystalline | 29 | 19 | 32 | THT | 4 | – | 5 | – | – | – | ||
 | 890324024005 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-FTX2 Film Capacitors | – | – | – | – | Across the mains | 470 nF | X2 | 280 | 0.1 | 21.28 GΩ | -40 °C up to +105 °C | 12.5 | – | – | – | – | 275 | – | – | 15 | 10 | 16 | Boxed THT | – | – | 18 | – | – | Bulk | ||
| 890324025017 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-FTX2 Film Capacitors | – | – | – | – | Across the mains | 100 nF | X2 | 300 | 0.1 | 30 GΩ | -40 °C up to +105 °C | 15 | – | – | – | – | 275 | – | – | 18 | 6 | 12 | Boxed THT | – | – | 18 | – | – | Bulk | ||
 | 768772182 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TI HV Radial Leaded Wire Wound Inductor (High Voltage) | – | – | 1.4 | – | – | – | – | – | – | – | -40 °C up to +125 °C | – | 0.38 | 0.35 | 1800 | 3500 | – | – | – | 7.8 | 7.8 | 9.5 | THT | – | – | – | – | – | – | ||
 | 61300511121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | – | – | – | – | – | 1000 MΩ | – | 2.54 | – | 3 | – | – | – | – | – | 12.7 | – | – | THT | 5 | Single | – | Pin Header | Straight | Bag |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 78438335068 | SPEC | |
| 7448040707 | SPEC | |
| 890324024005 | SPEC | |
| 890324025017 | SPEC | |
| 768772182 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | |
| 61300511121 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | ISAT,10% (A) | ISAT,30% (A) | fres (MHz) | IRP,40K (A) | Application | C | Safety Class | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Operating Temperature | Pitch (mm) | ISAT (A) | IR (A) | L (µH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Pins (Value) | Rows | G (mm) | Gender | Type | Packaging | Samples |
|---|
