UCC2895DW

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UCC2895DW

IC OFFLINE SW FULL-BRDG 20SOIC

  • Nhà sản xuất
  • Ông. Phần #UCC2895DW
  • Gói SOIC (DW)-20
  • Bảng dữ liệu
  • Có sẵn3158

100% gốc & amp; Mới

24 giờ sẵn sàng để vận chuyển

Bảo hành 365 ngày

RFQ & amp; Nhận thêm Giảm giá

Thông số kỹ thuật

Package Tube
ProductStatus Active
OutputType PWM
OutputConfiguration Positive
Topology Phase-Shifted Full-Bridge
NumberofOutputs 1
OutputPhases 1
Voltage-Supply(Vcc/Vdd) 10V ~ 16.5V
Frequency-Switching 1MHz
DutyCycle(Max) 100%
ClockSync Yes
ControlFeatures Frequency Control, Soft Start, Sync
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 20-SOIC (0.295, 7.50mm Width)

Tổng quan

Description

The UCC2895DW is a high-performance PWM (Pulse Width Modulation) controller primarily used for designing power converters, including those in isolated and non-isolated topologies. It is part of Texas Instruments' UCC2895 series and typically comes in a 20-pin SOIC (Small Outline Integrated Circuit) package.
Key features of the UCC2895DW include its ability to operate over a wide voltage range and its programmability for various control parameters. It supports both synchronous rectification and non-synchronous applications, making it versatile for different power supply designs. The controller is equipped with features for current-mode control and voltage-mode control, allowing designers to optimize performance for specific applications.
The UCC2895DW also includes protections such as overcurrent protection, overvoltage protection, and thermal shutdown, enhancing system reliability. Its high-frequency capability supports efficient power conversion in compact designs. This controller is ideal for applications requiring precise control and high efficiency, such as telecommunications, server power supplies, and industrial power systems.

Features

The UCC2895DW is a versatile PWM controller designed for high-frequency applications. Key features include:
1. High-Performance Control: It supports peak current mode, average current mode, and voltage mode control with input voltage feed-forward.
2. Wide Operating Frequency: Capable of handling switching frequencies up to 1 MHz, suitable for high-frequency applications.
3. Programmable Slope Compensation: Allows customization of the slope compensation for stability in current-mode control.
4. Soft-Start Capability: It has a programmable soft-start feature to minimize inrush currents during startup.
5. Synchronization: Can be synchronized to an external clock, facilitating multiple controllers working in parallel.
6. Direct Control of Duty Cycle: Provides precise control over the duty cycle for efficient power management.
7. Fault Protection: Includes protection features such as overcurrent protection, overvoltage protection, and thermal shutdown.
8. Flexibility: The controller is designed to work with various power topologies, enhancing its adaptability for different applications.
9. Package: Available in a 20-pin SOIC package, which is space-efficient for many designs.
These features make the UCC2895DW suitable for a wide range of power supply applications where efficiency and reliability are crucial.

Package

The UCC2895DW is a PWM controller typically found in a 20-pin SOIC (Small Outline Integrated Circuit) package.

Pinout

The UCC2895DW is a PWM controller commonly used for active clamp reset or forward converters in power supply applications. It is typically packaged in a 20-pin SOIC (Small Outline Integrated Circuit) surface-mount package. Here is a brief overview of its pin functions:
1. COMP: Compensation for the error amplifier.
2. CS: Current sense input.
3. RT/CT: Timing components to set the frequency.
4. SS/SD: Soft start and shutdown control.
5. VREF: Reference voltage output.
6. FB: Feedback input for voltage regulation.
7. ILIM: Current limit setting.
8. SYNC: Synchronization input/output.
9. VDD: Supply voltage input.
10. GND: Ground connection.
11. OUTA: Output, phase A.
12. OUTB: Output, phase B.
13. PGND: Power ground.
14. NC: No connection (multiple pins, typically four).
15. RAMP: Ramp input for slope compensation.
16. DUTYSET: Duty cycle set point.
17. DITHER: Frequency dithering control.
This configuration allows the UCC2895DW to efficiently manage power supply regulation and switching, making it suitable for various high-performance applications.

Manufacturer

The UCC2895DW is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs, manufactures, and sells a variety of electronic components and integrated circuits. They are well-known for their analog and embedded processing products, which are used in a wide range of applications, including industrial, automotive, personal electronics, and communications equipment. TI is a prominent player in the electronics industry, recognized for its innovation and contribution to technology development.

Application

The UCC2895DW is a phase-shifted full-bridge PWM controller used primarily in high-performance power supply applications. Its main application areas include server power supplies, telecom and networking equipment, industrial power systems, and high-density power modules. The controller's high-efficiency design and advanced features like zero-voltage switching (ZVS) make it suitable for demanding environments requiring consistent and efficient power conversion.

Equivalent

Equivalent products for the UCC2895DW, a PWM controller for power converters, include the LTC3723 from Analog Devices, the MAX15024 from Maxim Integrated, and the LM5035 from Texas Instruments. Each of these offers similar functionalities tailored for high-performance power supply applications. Always check specific datasheets to ensure compatibility with your design requirements.

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