Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| 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) | 6.9V ~ 12V |
| Frequency-Switching | 46kHz |
| DutyCycle(Max) | 99% |
| SynchronousRectifier | No |
| ClockSync | No |
| ControlFeatures | Frequency Control |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Tổng quan
Description
The UCC2800DTR is a member of the UCC2800 series, which consists of high-performance current-mode PWM controllers designed for off-line and DC-to-DC converter applications. These devices are particularly well-suited for power supply designs that require fast response times and precise voltage regulation. The UCC2800DTR operates at a fixed frequency and provides pulse-width modulation (PWM) control, which is essential for maintaining efficiency and stability in power supplies.
Key features of the UCC2800DTR include low start-up current, which reduces power consumption during start-up, and a high-speed oscillator for fast transient response. The device also offers current limiting, under-voltage lockout, and thermal shutdown for improved safety and reliability. Its small form factor, typically in an 8-pin SOIC package, makes it suitable for compact electronic devices.
Overall, the UCC2800DTR is ideal for use in applications requiring efficient power management and robust control, such as telecommunications, industrial equipment, and consumer electronics.
Key features of the UCC2800DTR include low start-up current, which reduces power consumption during start-up, and a high-speed oscillator for fast transient response. The device also offers current limiting, under-voltage lockout, and thermal shutdown for improved safety and reliability. Its small form factor, typically in an 8-pin SOIC package, makes it suitable for compact electronic devices.
Overall, the UCC2800DTR is ideal for use in applications requiring efficient power management and robust control, such as telecommunications, industrial equipment, and consumer electronics.
Equivalent
The UCC2800DTR is a low-power, current-mode PWM controller. Equivalent products include:
1. UC3842: A popular current-mode PWM controller for off-line and DC-to-DC converters.
2. NCP1200: An ON Semiconductor controller with low standby power.
3. LNK304: A Power Integrations chip for low-power flyback converters.
4. MC34063: A classic DC-to-DC converter IC for similar applications.
5. TL494: A versatile PWM controller with wide application use.
These alternatives might have different features, so check specific requirements.
1. UC3842: A popular current-mode PWM controller for off-line and DC-to-DC converters.
2. NCP1200: An ON Semiconductor controller with low standby power.
3. LNK304: A Power Integrations chip for low-power flyback converters.
4. MC34063: A classic DC-to-DC converter IC for similar applications.
5. TL494: A versatile PWM controller with wide application use.
These alternatives might have different features, so check specific requirements.
Features
The UCC2800DTR is a high-performance, low-power, current-mode pulse width modulation (PWM) controller designed for DC/DC conversion applications. Key features include:
1. Low Start-Up Current: Minimal energy consumption during start-up, enhancing efficiency.
2. Fast PWM Operation: Offers precise control over output voltage with consistent switching frequencies up to 1 MHz.
3. Current-Mode Control: Provides improved line regulation and transient response due to direct control of the output current loop.
4. Undervoltage Lockout (UVLO): Ensures the controller only operates when the input voltage reaches a defined threshold, preventing low-voltage malfunction.
5. Soft Start Capability: Gradually increases the output voltage during start-up to reduce stress on the components.
6. Error Amplifier: Integrated error amplifier with precise voltage reference facilitates stable and accurate output voltage.
7. Low Output Drive: Suitable for applications requiring minimal gate drive power.
8. Compact Package: Available in a small SOIC-8 package, making it suitable for space-constrained applications.
Overall, the UCC2800DTR is ideal for efficient and reliable performance in power supply designs.
1. Low Start-Up Current: Minimal energy consumption during start-up, enhancing efficiency.
2. Fast PWM Operation: Offers precise control over output voltage with consistent switching frequencies up to 1 MHz.
3. Current-Mode Control: Provides improved line regulation and transient response due to direct control of the output current loop.
4. Undervoltage Lockout (UVLO): Ensures the controller only operates when the input voltage reaches a defined threshold, preventing low-voltage malfunction.
5. Soft Start Capability: Gradually increases the output voltage during start-up to reduce stress on the components.
6. Error Amplifier: Integrated error amplifier with precise voltage reference facilitates stable and accurate output voltage.
7. Low Output Drive: Suitable for applications requiring minimal gate drive power.
8. Compact Package: Available in a small SOIC-8 package, making it suitable for space-constrained applications.
Overall, the UCC2800DTR is ideal for efficient and reliable performance in power supply designs.
Pinout
The UCC2800DTR is a high-speed, low-power current-mode PWM controller designed for DC-DC converters and off-line power supplies. It is typically available in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin functions:
1. COMP (Pin 1): Output of the error amplifier and the input to the PWM comparator.
2. FB (Pin 2): Inverting input to the error amplifier, used for feedback.
3. CS (Pin 3): Current sense input, used for peak current mode control.
4. RT/CT (Pin 4): Timing resistor/capacitor to set the oscillator frequency.
5. GND (Pin 5): Ground reference for the device.
6. OUT (Pin 6): Output driver, controls the gate of an external power MOSFET.
7. VCC (Pin 7): Positive supply voltage for the device.
8. REF (Pin 8): 5V reference voltage output.
The UCC2800DTR is used in applications requiring efficient power conversion with precise regulation, such as in isolated or non-isolated power supply designs.
1. COMP (Pin 1): Output of the error amplifier and the input to the PWM comparator.
2. FB (Pin 2): Inverting input to the error amplifier, used for feedback.
3. CS (Pin 3): Current sense input, used for peak current mode control.
4. RT/CT (Pin 4): Timing resistor/capacitor to set the oscillator frequency.
5. GND (Pin 5): Ground reference for the device.
6. OUT (Pin 6): Output driver, controls the gate of an external power MOSFET.
7. VCC (Pin 7): Positive supply voltage for the device.
8. REF (Pin 8): 5V reference voltage output.
The UCC2800DTR is used in applications requiring efficient power conversion with precise regulation, such as in isolated or non-isolated power supply designs.
Manufacturer
The UCC2800DTR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. They are one of the largest semiconductor companies globally and have a broad range of products used in electronics, including microcontrollers, processors, and power management devices like the UCC2800DTR. TI serves a wide array of industries, including automotive, industrial, personal electronics, and communications equipment, offering solutions that enable more efficient power management, improved performance, and innovative designs.
Application
The UCC2800DTR is a high-speed, low-power pulse width modulation (PWM) controller, primarily used in power electronics applications. It is suitable for DC-DC converters, including boost, buck, and flyback topologies. Common application areas include:
1. Power Supplies: Used in efficient, regulated power supplies for various devices.
2. Telecommunications: Supports power management in telecom equipment.
3. Industrial Automation: Powers control systems and machinery.
4. Consumer Electronics: Used in chargers and power adapters.
5. Automotive: Supports power management in automotive electronics.
6. LED Drivers: Regulates power supply to LED lighting systems.
Its high efficiency and compact size make it ideal for applications requiring reliable power conversion and management.
1. Power Supplies: Used in efficient, regulated power supplies for various devices.
2. Telecommunications: Supports power management in telecom equipment.
3. Industrial Automation: Powers control systems and machinery.
4. Consumer Electronics: Used in chargers and power adapters.
5. Automotive: Supports power management in automotive electronics.
6. LED Drivers: Regulates power supply to LED lighting systems.
Its high efficiency and compact size make it ideal for applications requiring reliable power conversion and management.
Package
The UCC2800DTR is a high-speed, low-power, pulse-width modulation (PWM) controller typically used in power supply applications. Its package type is a surface-mount device, specifically a small outline integrated circuit (SOIC) with 8 pins, usually denoted as SOIC-8.