UCC28C43D

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UCC28C43D

+BOM

IC REG CTRLR MULT TOPOLOGY 8SOIC

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  • 제조업체 부품 #UCC28C43D

  • 데이터시트 UCC28C43D DataSheet

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사양

속성 가치
Part Status Obsolete
Output Type Transistor Driver
Function Step-Up, Step-Up/Step-Down
Output Configuration Positive
Topology Boost, Flyback, Forward Converter
Number of Outputs 1
Output Phases 1
Voltage - Supply (Vcc/Vdd) 7.6V ~ 18V
Frequency - Switching Up to 1MHz
Duty Cycle (Max) 96%
Synchronous Rectifier No
Clock Sync No
Control Features Frequency Control
Operating Temperature -40°C ~ 105°C (TJ)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number UCC28C43

개요

Description

UCC28C43D is a high-performance, voltage-mode PWM (Pulse Width Modulation) controller designed for power supply applications. It is part of Texas Instruments' UCC28C43 family, which is optimized for off-line and DC-DC converter designs. This controller provides features such as adjustable frequency, soft-start, and protection mechanisms like overcurrent and thermal shutdown.
The UCC28C43D operates with a wide input voltage range and can efficiently drive high-power applications, making it suitable for various industrial and consumer electronics power supplies. Its voltage feedback ensures stable output voltage regulation, while the built-in oscillator allows for customizable switching frequencies.
Additionally, the UCC28C43D includes a high-current gate driver capable of driving external MOSFETs, enhancing the performance of the overall power supply design. Overall, this controller is ideal for engineers looking to develop robust, efficient, and reliable power management solutions.

Equivalent

The UCC28C43D is a PWM controller used in power management applications. Equivalent products include the TL494, LM5031, and UC3843. These alternatives share similar functionalities for voltage regulation and PWM control, but specific features may vary. Always consult datasheets to ensure compatibility with your application.

Features

The UCC28C43D is a high-performance integrated circuit designed for power management applications, particularly in switching power supplies. Key features include:
1. Voltage Regulation: It provides precise voltage regulation with a wide input voltage range, typically from 10V to 30V.

2. Current Mode Control: The IC employs current mode control, allowing for improved transient response and stability.
3. Built-in Soft Start: This feature reduces inrush current during startup, enhancing system reliability.
4. Overcurrent Protection: It includes mechanisms to prevent damage from overcurrent conditions.
5. High Efficiency: Optimized for high efficiency in power conversion, reducing heat generation and energy loss.
6. Output Voltage Adjustability: The output voltage can be easily set using external resistors.
7. PWM and PFM Modes: Supports both Pulse Width Modulation (PWM) and Pulse Frequency Modulation (PFM) for flexibility in operation.
8. Thermal Shutdown: Offers protection against overheating.
This combination of features makes the UCC28C43D suitable for a variety of applications, including adapters, chargers, and DC-DC converters.

Pinout

The UCC28C43D is a dual PWM controller used in power supply applications. It features a total of 16 pins. The primary functions of these pins include:
1. Power Supply (VCC and GND): Pins for power input and ground.
2. PWM Outputs: Two output pins (OUTA and OUTB) for driving power switches.
3. Feedback Pins: Connection points for feedback signals to regulate the output voltage.
4. Oscillator and Timing: Pins for setting the frequency and timing of the PWM signals.
5. Compensation Network: Pins to connect compensation components for stability in feedback loops.
6. Current Sensing: Pins for current feedback to prevent overcurrent conditions.
This device is widely used in applications requiring efficient power management and regulation.

Manufacturer

The UCC28C43D is manufactured by Texas Instruments (TI), a leading global semiconductor company based in the United States. Texas Instruments specializes in designing and manufacturing a wide range of analog and embedded processing chips. The company is well-known for its innovative solutions in various applications, including automotive, industrial, communications, and consumer electronics.
Texas Instruments was founded in 1930 and has since grown to become one of the largest semiconductor firms in the world. They focus on developing technologies that improve the efficiency and performance of electronic devices. The UCC28C43D, specifically, is a PWM (Pulse Width Modulation) controller used in power management applications, highlighting TI’s commitment to providing high-performance solutions in the power electronics sector.
TI is recognized for its extensive portfolio of products and technologies, its emphasis on research and development, and its strong presence in both the consumer and industrial markets. The company also emphasizes sustainability and corporate social responsibility in its operations.

Application

The UCC28C43D is a pulse-width modulation (PWM) controller primarily used in power supply applications. Its application areas include:
1. Switching Power Supplies: For DC-DC converters and AC-DC power supplies.
2. Power Management Systems: In telecommunications and computing for efficient energy conversion.
3. Industrial Power Supplies: For automation and control systems.
4. Battery Chargers: In electric vehicles and renewable energy systems.
5. LED Drivers: For efficient lighting applications.
The device is known for its high efficiency and reliability in managing power conversion processes across various electronic devices.

Package

The UCC28C43D is packaged in a Dual In-Line Package (DIP-8) format. This package type allows for easy handling and soldering onto printed circuit boards.