圖片僅供參考
UCC2893DR
IC REG CTRLR MULT TOP 16SOIC
- 製造商
- 製造商。 部分 #UCC2893DR
- 包 SOIC (D)-16
- 資料表 UCC2893DR DataSheet
- 有現貨的4670
100%原創; 新
24小時準備發貨
365天保修
RFQ&; 獲得更多折扣
規格
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Up/Step-Down |
| OutputConfiguration | Positive, Isolation Capable |
| Topology | Flyback, Forward Converter |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 8.5V ~ 16V |
| Frequency-Switching | 250kHz |
| DutyCycle(Max) | 70% |
| SynchronousRectifier | No |
| ClockSync | Yes |
| ControlFeatures | Current Limit, Enable, On Time Control, Ramp, Soft Start |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 16-SOIC (0.154, 3.90mm Width) |
概述
Description
The UCC2893DR is a synchronous pulse width modulation (PWM) controller developed by Texas Instruments, designed primarily for high-efficiency power supply applications. It is part of the UCC2893 series, known for its utility in managing full-bridge and push-pull power converters. This controller offers advanced features such as peak current mode control, which enhances transient response and simplifies loop compensation.
Key features of the UCC2893DR include programmable maximum duty cycle, adjustable switching frequency, and slope compensation. It supports high efficiency due to its synchronous rectification capabilities and includes a high-precision voltage reference for accurate output regulation. The part is packaged in a small, thermally efficient SOIC-8 (small-outline integrated circuit) package, making it suitable for compact power supply designs.
Additionally, the UCC2893DR includes protection features like overcurrent protection to enhance the reliability of the power supply. It is widely used in telecommunication equipment, server power supplies, and distributed power systems, where efficient power management is crucial. Its robust functionality and ease of use make it a popular choice for designers looking to develop energy-efficient power solutions.
Key features of the UCC2893DR include programmable maximum duty cycle, adjustable switching frequency, and slope compensation. It supports high efficiency due to its synchronous rectification capabilities and includes a high-precision voltage reference for accurate output regulation. The part is packaged in a small, thermally efficient SOIC-8 (small-outline integrated circuit) package, making it suitable for compact power supply designs.
Additionally, the UCC2893DR includes protection features like overcurrent protection to enhance the reliability of the power supply. It is widely used in telecommunication equipment, server power supplies, and distributed power systems, where efficient power management is crucial. Its robust functionality and ease of use make it a popular choice for designers looking to develop energy-efficient power solutions.
Features
The UCC2893DR is a versatile active clamp PWM controller from Texas Instruments, designed for high-efficiency power supply applications. It features a programmable maximum duty cycle, allowing flexibility in design. This controller supports both voltage and current mode control, enhancing its adaptability to various power supply designs. It includes an integrated high-voltage start-up circuit that reduces standby power consumption and improves efficiency.
The UCC2893DR offers programmable soft-start and slope compensation, which helps in controlling inrush currents and stabilizing the system. It also includes cycle-by-cycle current limiting and overcurrent protection, ensuring the safety and reliability of the power supply.
With an operating frequency range of up to 1 MHz, it supports high-frequency applications, providing compact power supply solutions. The device comes in an 8-pin SOIC package, making it suitable for compact designs. It also features an adjustable dead time, which aids in optimizing the power supply efficiency by minimizing switching losses. Overall, the UCC2893DR is ideal for designing efficient and reliable power supplies in various electronic applications.
The UCC2893DR offers programmable soft-start and slope compensation, which helps in controlling inrush currents and stabilizing the system. It also includes cycle-by-cycle current limiting and overcurrent protection, ensuring the safety and reliability of the power supply.
With an operating frequency range of up to 1 MHz, it supports high-frequency applications, providing compact power supply solutions. The device comes in an 8-pin SOIC package, making it suitable for compact designs. It also features an adjustable dead time, which aids in optimizing the power supply efficiency by minimizing switching losses. Overall, the UCC2893DR is ideal for designing efficient and reliable power supplies in various electronic applications.
Package
The UCC2893DR is a current-mode PWM controller by Texas Instruments, typically available in an 8-pin SOIC (Small Outline Integrated Circuit) package. The "DR" suffix indicates a tape and reel packaging for automated assembly processes.
Pinout
The UCC2893DR is a peak current mode PWM controller designed for high-efficiency synchronous buck converters. It is typically used in power supply applications. The device comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here’s a brief overview of its pin functions:
1. VIN: Supply voltage input.
2. VREF: Reference voltage output.
3. RT/CT: Sets the oscillator frequency.
4. CS: Current sense input.
5. COMP: Output of the error amplifier and input to the PWM comparator.
6. GATE: Drives the gate of the external MOSFET.
7. GND: Ground.
8. SS/ENA: Soft start and enable pin.
These pins facilitate the control and operation of the power converter, allowing for functions like frequency setting, current sensing, and soft start, which are essential for efficient power management in electronic devices.
1. VIN: Supply voltage input.
2. VREF: Reference voltage output.
3. RT/CT: Sets the oscillator frequency.
4. CS: Current sense input.
5. COMP: Output of the error amplifier and input to the PWM comparator.
6. GATE: Drives the gate of the external MOSFET.
7. GND: Ground.
8. SS/ENA: Soft start and enable pin.
These pins facilitate the control and operation of the power converter, allowing for functions like frequency setting, current sensing, and soft start, which are essential for efficient power management in electronic devices.
Manufacturer
The UCC2893DR is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that specializes in designing and manufacturing semiconductors and various integrated circuits, which they sell to electronics designers and manufacturers globally. TI is known for its focus on developing analog chips and embedded processors and has a strong presence in the electronics industry. The company supplies a broad range of products that are used in various applications, including industrial, automotive, personal electronics, communications equipment, and enterprise systems.
Application
The UCC2893DR is a PWM controller commonly used in power supply applications. Its primary application areas include isolated and non-isolated DC-DC converters, telecom power supplies, and industrial power management systems. It excels in applications requiring high efficiency and precise voltage regulation, such as in server power supplies, telecom infrastructure, and battery management systems. The UCC2893DR is also utilized in renewable energy systems and automotive power systems due to its ability to manage power effectively in various loading conditions.
Equivalent
The UCC2893DR is a PWM controller from Texas Instruments used in active clamp forward converters. Equivalent products include:
1. UCC2891: Another active clamp PWM controller from TI, similar in functionality.
2. NCP1562: ON Semiconductor's PWM controller for active clamp or standard forward topologies.
3. LM5025: A PWM controller from Texas Instruments for active clamp forward converters.
These alternatives may vary in specific features and should be checked for compatibility with your design requirements.
1. UCC2891: Another active clamp PWM controller from TI, similar in functionality.
2. NCP1562: ON Semiconductor's PWM controller for active clamp or standard forward topologies.
3. LM5025: A PWM controller from Texas Instruments for active clamp forward converters.
These alternatives may vary in specific features and should be checked for compatibility with your design requirements.
船舶
運輸管道我們
通過DHL、FedEx、TNT、UPS或您選擇的任何其他貨運代理提供全球運輸服務。
運費參攷(DHL/FedEx):
動態主要裝載: 運費從25美元到45美元(0.5公斤)不等,預計交貨時間為2-5個工作日。
聯邦快遞: 運費從25美元到40美元(0.5公斤)不等,預計交貨時間為3-7個工作日。
不斷電供應系統: 運費從25美元到45美元(0.5公斤)不等,預計交貨時間為3-7個工作日。
三硝基甲苯: 運費從25美元到65美元(0.5公斤)不等,預計交貨時間為3-7個工作日。
增强型短消息: 運費從30美元到50美元(0.5公斤)不等,預計交貨時間為7-15個工作日。
掛號: 運費為2-4美元(0.1公斤),預計交貨時間為5-20個工作日。
支付
Payment Methods
付款條件為100%預付。
現時,我們只接受以下付款方式:
1. 貝寶
2. 信用卡/借記卡
3. 電匯
類似的
-
MX25V1635FZNI
Macronix
-
MX25V1635FZNQ03
Macronix
-
MX66U1G45GXDI00
Macronix
-
MX25V16066M1I02
Macronix
-
MX25R3235FZNIL0
Macronix
-
MX25U51279GXDR00
Macronix
-
MX25U25643GZNI00
Macronix
-
MX25V1635FM2I
Macronix
-
MX25L6433FM2I-08G
Macronix
-
MX25L12833FZNI-10..
Macronix
-
MX25U25645GXDI00
Macronix
-
MX29F040CQI-70G
Macronix