UCC28881D

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IC OFFLINE SWITCH MULT TOP 7SOIC

  • FabricanteTexas Instruments

  • Peça do Fabricante #UCC28881D

  • Pacote SOIC-7

  • Em Estoque2641

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Especificações

Atributo Valor
Package Tube
ProductStatus Active
OutputIsolation Non-Isolated
InternalSwitch(s) Yes
Voltage-Breakdown 700V
Topology Buck, Buck-Boost, Flyback
Voltage-StartUp 3.9 V
Voltage-Supply(Vcc/Vdd) 5V
DutyCycle 55%
Frequency-Switching 62kHz
Power(Watts) 4.5 W
FaultProtection Current Limiting, Over Load, Over Temperature, Short Circuit
OperatingTemperature -40°C ~ 125°C (TJ)
Package/Case 8-SOIC (0.154, 3.90mm Width), 7 Leads
SupplierDevicePackage 7-SOIC

Visão Geral

Description

The UCC28881D is an integrated power management IC from Texas Instruments, designed for energy-efficient AC/DC conversion applications. This device is particularly suited for systems requiring a low standby power consumption, making it ideal for energy-saving and low-power electronics. The UCC28881D integrates a 700V power MOSFET and a high-voltage current source, which enables it to efficiently handle high-voltage inputs and provide a regulated output.
Key features of the UCC28881D include a wide input voltage range and a built-in high-voltage startup circuit, reducing the need for external components. It also incorporates over-voltage and thermal shutdown protection to enhance reliability and safety. The device is designed to support flyback, buck, or boost converter topologies, thus offering flexibility in various design applications.
With its compact SOIC-7 package, the UCC28881D is suitable for space-constrained applications such as LED lighting, smart meters, and industrial power supplies, where efficiency and reliability are critical. Its design helps in minimizing standby power losses, contributing to overall energy efficiency in electronic systems.

Equivalent

The UCC28881D is a high-voltage switcher from Texas Instruments designed for offline AC-to-DC conversion applications. Equivalent products or similar alternatives from other manufacturers may include:
1. LNK306PN from Power Integrations
2. TNY284DG from Power Integrations
3. VIPer22A from STMicroelectronics
These components are designed for similar applications in low-power offline switcher configurations, offering high-voltage MOSFETs and integrated control circuits. Always verify specific application requirements and electrical characteristics when selecting a substitute.

Features

The UCC28881D is a high-voltage switcher from Texas Instruments designed for applications in AC/DC power conversion. Key features include:
1. Wide Input Voltage Range: Operates from 100 V to 700 V, accommodating global AC line voltages and industrial applications.
2. Integrated 700-V, 27-Ω Power MOSFET: Reduces the need for external components and simplifies design.
3. High-Efficiency Operation: Incorporates a primary-side regulation (PSR) to eliminate the need for an optocoupler while maintaining accurate output regulation.
4. Low Standby Power: Designed for low power consumption with a no-load power of less than 30 mW.
5. Internal Start-Up Regulator: Enables direct connection to the rectified AC line.
6. Protections: Includes over-voltage, over-current, and thermal shutdown protections to enhance reliability.
7. Compact Size: Available in a 7-pin SOIC package, making it suitable for space-constrained applications.
These features make the UCC28881D ideal for low to medium power applications such as LED lighting, metering, and auxiliary power supplies.

Pinout

The UCC28881D is an integrated power management IC designed by Texas Instruments. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here are concise details on its pin functions:
1. VCC: Powers the internal circuitry of the IC.
2. GND: Ground reference for the IC.
3. VSENSE: Senses the output voltage and helps in regulation.
4. DRN: Drain of the internal MOSFET, connected to the supply voltage.
5. FB: Feedback input for regulating the output voltage.
6. COMP: Compensation input to stabilize the control loop.
7. SOURCE: Source of the internal MOSFET, typically connected to GND.
8. NC: No connection; not used.
The UCC28881D is used in switch-mode power supply applications, providing functions like voltage regulation, protection features, and efficient power conversion.

Manufacturer

The UCC28881D is manufactured by Texas Instruments (TI), a leading American technology company. Texas Instruments is known for designing and producing semiconductors and various integrated circuits, which are used in a wide array of electronic devices across different industries. The company is heavily involved in the development of analog electronics, embedded processors, and digital light processing (DLP) technology, among others. They cater to a broad range of sectors including automotive, industrial, personal electronics, and communications equipment. TI is recognized for its innovation in the semiconductor industry and holds a significant number of patents in the field.

Application

The UCC28881D is a high-voltage, low-power integrated circuit designed for off-line, non-isolated AC/DC power supplies. Its primary application areas include LED lighting drivers, where efficient power conversion is crucial. It is also used in smart meters and industrial controls, providing efficient power management for low to moderate power levels. Additionally, it finds use in home appliances and IoT devices, where compact and efficient power solutions are needed. The UCC28881D supports power factor correction, making it suitable for applications requiring compliance with energy efficiency standards. Overall, it is favored in applications that require low standby power consumption and a wide input voltage range.

Package

The UCC28881D is a power management IC from Texas Instruments, available in an 8-pin SOIC (Small Outline Integrated Circuit) package. This package type is compact, suitable for surface-mount applications, and commonly used in power supply and energy-efficient designs.

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