UC2833DWTR

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UC2833DWTR

IC LNR REG CTRLR 1OUT 16SOIC

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Spécifications

Package Tape & Reel (TR)
ProductStatus Active
Type Positive Fixed
NumberofOutputs 1
Current-Supply 9.5mA
Voltage-Input 4.5V ~ 36V
OperatingTemperature -40°C ~ 85°C
Package/Case 16-SOIC (0.295, 7.50mm Width)

Vue d'ensemble

Description

The UC2833DWTR is a high-performance, current-mode pulse width modulation (PWM) controller designed for managing power supply applications. It is manufactured by Texas Instruments and is commonly used in switch-mode power supplies and DC-DC converters. The device operates over a wide range of input voltages and provides precise control of output voltage, making it suitable for applications requiring high efficiency and reliability.
Key features of the UC2833DWTR include low start-up current, a high-speed oscillator, error amplifier, and a current-sense comparator, which work together to enable accurate power regulation and protection. The device also includes features such as soft start, under-voltage lockout, and over-current protection, enhancing its robustness against faults.
Housed in a surface-mount SOIC-16 package, the UC2833DWTR is designed for ease of integration into various circuits and is particularly valued in industrial, telecommunications, and consumer electronics applications. Its design supports high-frequency operation, which aids in reducing the size of the associated passive components in power supply designs.

Features

The UC2833DWTR is a high-performance current-mode pulse width modulation (PWM) controller designed for efficient and reliable power supply management. Key features include:
1. Current-Mode Control: Provides excellent line regulation and simplifies loop compensation.
2. Wide Input Voltage Range: Operates over a broad input voltage range, suitable for various applications.
3. Fixed Frequency Operation: Offers stable frequency operation for predictable performance.
4. Low Start-Up Current: Minimizes power consumption during start-up, enhancing efficiency.
5. Under-Voltage Lockout (UVLO): Protects the circuit by preventing operation below a certain voltage threshold.
6. Soft Start Capability: Reduces stress on power components during start-up by gradually increasing the current.
7. High Output Drive: Capable of driving external MOSFETs, useful in applications demanding high power.
8. Protection Features: Includes overcurrent protection and thermal shutdown to safeguard the system.
These features make the UC2833DWTR suitable for a variety of applications, including power supplies for industrial, consumer electronics, and telecommunications equipment.

Package

The UC2833DWTR is a part of the Texas Instruments product line, and it comes in a SOIC-20 package, which stands for Small Outline Integrated Circuit with 20 pins. The "DW" in the part number typically indicates the SOIC package type, and the "TR" suffix denotes that the product is supplied in a tape and reel format for automated assembly processes.

Pinout

The UC2833DWTR is a PWM controller IC used for DC-to-DC converters, typically in power supply applications. It is manufactured by Texas Instruments. The "DW" in the part number indicates that it comes in an SOIC-16 package, meaning it has 16 pins.
Key functions of the UC2833 include:
1. Wide Input Voltage Range: It can operate with a wide input voltage range, accommodating various power supply designs.
2. Fixed Frequency Oscillator: The IC includes an oscillator with a fixed frequency, essential for stable operation.
3. Current Mode Control: Provides current mode control, improving performance over voltage mode control by offering better line regulation and transient response.
4. Error Amplifier: An internal error amplifier helps in regulating the output voltage by comparing it to a reference.
5. Soft Start: This feature minimizes inrush current during startup.
6. Undervoltage Lockout: Ensures the IC only operates when the input voltage is above a certain threshold, protecting the system from low voltage conditions.
7. Output Drive: Capable of driving power MOSFETs or bipolar transistors efficiently.
For specific pin functions, you should refer to the datasheet for detailed descriptions.

Manufacturer

The UC2833DWTR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs, manufactures, tests, and sells analog and embedded processing chips. They are known for producing a wide range of electronic components, including microcontrollers, processors, and power management solutions, which are used across various industries such as automotive, industrial, personal electronics, and communications equipment. TI is recognized for its innovation in the semiconductor industry and its commitment to providing high-quality and reliable products.

Application

The UC2833DWTR is a high-performance PWM controller commonly used in power supply applications. Its typical application areas include DC-DC converters, battery chargers, and power adapters. It's designed for use in systems that require efficient power management and precise control, such as telecommunications equipment, industrial power supplies, and consumer electronics. Its features, such as programmable switching frequency and current limiting, make it suitable for these applications.

Equivalent

The UC2833DWTR is a high-performance current-mode PWM controller. Equivalent products include the TL2833, LM2833, and UC3833 series from Texas Instruments, which offer similar functionality. Other manufacturers like ON Semiconductor, STMicroelectronics, and Analog Devices may have similar PWM controllers. Always check datasheets for exact specifications and compatibility.

Expédition

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DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

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