사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Up, Step-Up/Step-Down |
| OutputConfiguration | Positive |
| Topology | Boost, Flyback, Forward Converter |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 6.6V ~ 18V |
| Frequency-Switching | Up to 1MHz |
| DutyCycle(Max) | 48% |
| SynchronousRectifier | No |
| ClockSync | No |
| ControlFeatures | Frequency Control |
| OperatingTemperature | -40°C ~ 105°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
개요
Description
The UCC28C41DR is a high-performance, low-power current-mode PWM controller designed by Texas Instruments. It is primarily used in DC-DC converters and offline power supplies, providing efficient power management solutions. The device operates at a fixed frequency and includes features such as a wide operating voltage range, low start-up current, and built-in protection mechanisms. Key attributes include a maximum oscillator frequency of up to 1 MHz, a wide input voltage range from 7.6V to 18V, and high speed for fast transient response. It incorporates features like undervoltage lockout (UVLO), leading-edge blanking to reduce noise sensitivity, and adjustable slope compensation to enhance stability. The controller is available in an 8-pin SOIC package, making it suitable for space-constrained applications. It is typically utilized in applications requiring efficient power conversion, such as chargers, industrial power supply systems, and consumer electronics. The UCC28C41DR offers a robust, efficient, and flexible solution for designers looking to optimize power supply performance.
Equivalent
The UCC28C41DR is a low-power PWM controller from Texas Instruments. Equivalent products include:
1. UC3842 from Texas Instruments.
2. NCP1200 from ON Semiconductor.
3. FAN6754 from Fairchild Semiconductor.
4. SG6841 from Microchip Technology.
5. TEA1733 from NXP Semiconductors.
Ensure pin compatibility and review datasheets to confirm equivalency for your specific application.
1. UC3842 from Texas Instruments.
2. NCP1200 from ON Semiconductor.
3. FAN6754 from Fairchild Semiconductor.
4. SG6841 from Microchip Technology.
5. TEA1733 from NXP Semiconductors.
Ensure pin compatibility and review datasheets to confirm equivalency for your specific application.
Features
The UCC28C41DR is a high-performance, current-mode PWM controller designed for offline and DC-to-DC converter applications. Key features include:
1. Wide Input Voltage Range: Operates efficiently over a wide input voltage range, making it versatile for various power supply designs.
2. High-Speed Operation: Supports high-frequency operation, enhancing performance in high-density power supplies.
3. Low Start-Up and Operating Current: Minimizes power consumption, important for energy-efficient applications.
4. Current Mode Control: Offers improved transient response and simpler loop compensation compared to voltage mode controllers.
5. Undervoltage Lockout (UVLO): Protects the device by ensuring it remains off until the input voltage reaches a specified threshold.
6. Programmable Oscillator: Allows designers to set the oscillator frequency to optimize performance for specific applications.
7. Adjustable Soft Start: Provides controlled power-up, reducing inrush current and stress on components.
8. Leading-Edge Blanking: Reduces sensitivity to noise and prevents premature switching errors.
These features make the UCC28C41DR suitable for a broad range of power supply applications, ensuring efficient and reliable operation.
1. Wide Input Voltage Range: Operates efficiently over a wide input voltage range, making it versatile for various power supply designs.
2. High-Speed Operation: Supports high-frequency operation, enhancing performance in high-density power supplies.
3. Low Start-Up and Operating Current: Minimizes power consumption, important for energy-efficient applications.
4. Current Mode Control: Offers improved transient response and simpler loop compensation compared to voltage mode controllers.
5. Undervoltage Lockout (UVLO): Protects the device by ensuring it remains off until the input voltage reaches a specified threshold.
6. Programmable Oscillator: Allows designers to set the oscillator frequency to optimize performance for specific applications.
7. Adjustable Soft Start: Provides controlled power-up, reducing inrush current and stress on components.
8. Leading-Edge Blanking: Reduces sensitivity to noise and prevents premature switching errors.
These features make the UCC28C41DR suitable for a broad range of power supply applications, ensuring efficient and reliable operation.
Pinout
The UCC28C41DR is a high-speed, low-power pulse-width modulation (PWM) controller. It is typically used in switch-mode power supplies. The device comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here's a brief overview of its pin functions:
1. VREF (Pin 1): Reference voltage output.
2. COMP (Pin 2): Compensation pin for error amplifier.
3. FB (Pin 3): Feedback input for voltage regulation.
4. CS (Pin 4): Current sense input for cycle-by-cycle current limiting.
5. RT/CT (Pin 5): Timing resistor/capacitor to set oscillator frequency.
6. GND (Pin 6): Ground connection.
7. OUT (Pin 7): Output to drive the gate of a power MOSFET or IGBT.
8. VCC (Pin 8): Supply voltage input.
This configuration supports various control techniques in power conversion applications, offering features like undervoltage lockout, current limiting, and thermal shutdown protection.
1. VREF (Pin 1): Reference voltage output.
2. COMP (Pin 2): Compensation pin for error amplifier.
3. FB (Pin 3): Feedback input for voltage regulation.
4. CS (Pin 4): Current sense input for cycle-by-cycle current limiting.
5. RT/CT (Pin 5): Timing resistor/capacitor to set oscillator frequency.
6. GND (Pin 6): Ground connection.
7. OUT (Pin 7): Output to drive the gate of a power MOSFET or IGBT.
8. VCC (Pin 8): Supply voltage input.
This configuration supports various control techniques in power conversion applications, offering features like undervoltage lockout, current limiting, and thermal shutdown protection.
Manufacturer
The UCC28C41DR is manufactured by Texas Instruments Incorporated. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits. It produces a wide range of products, including analog chips and embedded processors, which are used in electronic devices across multiple industries such as consumer electronics, automotive, telecommunications, industrial, and more. TI is known for its innovation in the electronics sector and has a significant presence in the global semiconductor market.
Application
The UCC28C41DR is a high-performance current-mode PWM controller commonly used in switch mode power supply (SMPS) applications. Its application areas include:
1. AC/DC Power Supplies: Efficiently converts AC to DC, used in various consumer electronics.
2. DC/DC Converters: Utilized in voltage regulation for battery-powered and portable devices.
3. Industrial Power Systems: Provides reliable operation in controllers and converters.
4. Telecommunications Equipment: Powers network devices requiring stable voltage regulation.
5. Automotive Power Applications: Used in automotive power management systems for efficiency and reliability.
These applications benefit from its low start-up current, wide temperature range, and high-speed operation.
1. AC/DC Power Supplies: Efficiently converts AC to DC, used in various consumer electronics.
2. DC/DC Converters: Utilized in voltage regulation for battery-powered and portable devices.
3. Industrial Power Systems: Provides reliable operation in controllers and converters.
4. Telecommunications Equipment: Powers network devices requiring stable voltage regulation.
5. Automotive Power Applications: Used in automotive power management systems for efficiency and reliability.
These applications benefit from its low start-up current, wide temperature range, and high-speed operation.
Package
The UCC28C41DR is a current-mode PWM controller from Texas Instruments, typically used in power supply applications. The "DR" in its designation indicates that it comes in an SOIC-8 (Small Outline Integrated Circuit) package with 8 pins.