Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | Natural Interleaving™ |
| ProductStatus | Active |
| Mode | Discontinuous (Transition) |
| Frequency-Switching | 500kHz |
| Current-Startup | 100 µA |
| Voltage-Supply | 14V ~ 21V |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 16-SOIC (0.154, 3.90mm Width) |
Overview
Description
The UCC28061DR is a Texas Instruments device designed for power factor correction (PFC) applications. It is a dual-phase, interleaved PFC controller, which enhances power efficiency and improves power quality by reducing harmonic distortion. The device operates in Continuous Conduction Mode (CCM), which is suitable for higher power applications.
Key features of the UCC28061DR include:
1. Interleaved Operation: Two-phase interleaving reduces input current ripple, lowering EMI and improving efficiency.
2. CCM PFC: Enhances power factor correction in medium to high power systems.
3. Wide Input Voltage Range: Allows use in various AC line conditions.
4. Improved Efficiency: Boosts overall power supply efficiency through its advanced control algorithms.
5. Protection Features: Includes over-voltage, over-current, and thermal protection to enhance system reliability.
This controller is widely used in applications like power supplies for computers, telecom equipment, and industrial systems, where maintaining efficient power conversion and compliance with regulatory standards for power factor and harmonic emissions is critical.
Key features of the UCC28061DR include:
1. Interleaved Operation: Two-phase interleaving reduces input current ripple, lowering EMI and improving efficiency.
2. CCM PFC: Enhances power factor correction in medium to high power systems.
3. Wide Input Voltage Range: Allows use in various AC line conditions.
4. Improved Efficiency: Boosts overall power supply efficiency through its advanced control algorithms.
5. Protection Features: Includes over-voltage, over-current, and thermal protection to enhance system reliability.
This controller is widely used in applications like power supplies for computers, telecom equipment, and industrial systems, where maintaining efficient power conversion and compliance with regulatory standards for power factor and harmonic emissions is critical.
Equivalent
The UCC28061DR is a dual-phase interleaved PFC (Power Factor Correction) controller. Equivalent products that serve similar functions include the NCP1631 by ON Semiconductor, the L6564 by STMicroelectronics, and the FAN6982 by Fairchild Semiconductor. These ICs also offer power factor correction features suitable for similar applications, but specific compatibility should be checked based on the detailed application requirements and electrical specifications.
Features
The UCC28061DR is a dual-phase, interleaved power factor correction (PFC) controller designed for applications requiring improved efficiency and reduced electromagnetic interference (EMI). Key features include:
1. Interleaved Operation: Utilizes dual-phase interleaving to enhance efficiency and lower input current ripple, reducing EMI and input filter size.
2. Transition-Mode Control: Operates in transition mode for each phase to achieve high power factor and low total harmonic distortion (THD).
3. Wide Input Voltage Range: Handles a broad range of input voltages, making it suitable for global applications.
4. Enhanced Burst Mode Operation: Allows for high efficiency at light loads by minimizing switching losses.
5. Comprehensive Protection Mechanisms: Includes cycle-by-cycle current limiting, output over-voltage protection, and thermal shutdown for enhanced reliability.
6. Programmable Switching Frequency: Offers flexibility in setting the switching frequency to optimize performance for specific applications.
7. Compact Package: Available in a small surface-mount package, facilitating space-constrained designs.
These features make the UCC28061DR suitable for use in high-performance power supplies, including those in computing, telecommunications, and industrial applications.
1. Interleaved Operation: Utilizes dual-phase interleaving to enhance efficiency and lower input current ripple, reducing EMI and input filter size.
2. Transition-Mode Control: Operates in transition mode for each phase to achieve high power factor and low total harmonic distortion (THD).
3. Wide Input Voltage Range: Handles a broad range of input voltages, making it suitable for global applications.
4. Enhanced Burst Mode Operation: Allows for high efficiency at light loads by minimizing switching losses.
5. Comprehensive Protection Mechanisms: Includes cycle-by-cycle current limiting, output over-voltage protection, and thermal shutdown for enhanced reliability.
6. Programmable Switching Frequency: Offers flexibility in setting the switching frequency to optimize performance for specific applications.
7. Compact Package: Available in a small surface-mount package, facilitating space-constrained designs.
These features make the UCC28061DR suitable for use in high-performance power supplies, including those in computing, telecommunications, and industrial applications.
Pinout
The UCC28061DR is a dual-phase, interleaved, power factor correction (PFC) controller typically used in power supply applications. It is housed in a 14-pin SOIC (Small Outline Integrated Circuit) package. Below is a description of the pin functions:
1. VCC (Pin 1): Supply voltage input.
2. GND (Pin 2): Ground reference.
3. VSENSE (Pin 3): Voltage feedback input from the output voltage divider.
4. ISENSE (Pin 4): Current sense input for phase current.
5. VCOMP (Pin 5): Output voltage loop compensation.
6. ICOM (Pin 6): Current loop compensation.
7. RAMP (Pin 7): Sets the internal oscillator frequency.
8. ENA (Pin 8): Enable pin to turn the controller on/off.
9. SS (Pin 9): Soft start control, sets the rate at which the output voltage rises.
10. PKLMT (Pin 10): Peak current limit setting.
11. GD1 (Pin 11): Gate drive output for phase 1.
12. GD2 (Pin 12): Gate drive output for phase 2.
13. VREF (Pin 13): Reference voltage output.
14. RT (Pin 14): Timing resistor to set the switching frequency.
The UCC28061DR is used in applications requiring high efficiency and low total harmonic distortion (THD).
1. VCC (Pin 1): Supply voltage input.
2. GND (Pin 2): Ground reference.
3. VSENSE (Pin 3): Voltage feedback input from the output voltage divider.
4. ISENSE (Pin 4): Current sense input for phase current.
5. VCOMP (Pin 5): Output voltage loop compensation.
6. ICOM (Pin 6): Current loop compensation.
7. RAMP (Pin 7): Sets the internal oscillator frequency.
8. ENA (Pin 8): Enable pin to turn the controller on/off.
9. SS (Pin 9): Soft start control, sets the rate at which the output voltage rises.
10. PKLMT (Pin 10): Peak current limit setting.
11. GD1 (Pin 11): Gate drive output for phase 1.
12. GD2 (Pin 12): Gate drive output for phase 2.
13. VREF (Pin 13): Reference voltage output.
14. RT (Pin 14): Timing resistor to set the switching frequency.
The UCC28061DR is used in applications requiring high efficiency and low total harmonic distortion (THD).
Manufacturer
The UCC28061DR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which are sold to electronics designers and manufacturers globally. It is known for its broad range of products that cater to industries such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. Texas Instruments is recognized for innovation in the semiconductor space and plays a significant role in the development of analog chips and embedded processors.
Application
The UCC28061DR is a power factor correction (PFC) controller IC primarily used in applications requiring efficient power conversion and compliance with power factor and harmonic standards. Its main application areas include:
1. Switch-mode Power Supplies (SMPS): Enhances efficiency and power factor in AC-DC converters.
2. LED Lighting: Improves power factor and reduces total harmonic distortion in LED drivers.
3. Telecommunications Equipment: Ensures efficient power management in telecom power supplies.
4. Industrial and Consumer Electronics: Used in various industrial and consumer products requiring high-efficiency power conversion.
5. Data Centers: Helps optimize power usage and reduce energy costs in data center power supplies.
These applications benefit from the UCC28061DR's ability to improve energy efficiency and meet regulatory standards.
1. Switch-mode Power Supplies (SMPS): Enhances efficiency and power factor in AC-DC converters.
2. LED Lighting: Improves power factor and reduces total harmonic distortion in LED drivers.
3. Telecommunications Equipment: Ensures efficient power management in telecom power supplies.
4. Industrial and Consumer Electronics: Used in various industrial and consumer products requiring high-efficiency power conversion.
5. Data Centers: Helps optimize power usage and reduce energy costs in data center power supplies.
These applications benefit from the UCC28061DR's ability to improve energy efficiency and meet regulatory standards.
Package
The UCC28061DR is a dual-phase interleaved power factor correction (PFC) controller from Texas Instruments. It comes in an SOIC-16 package type, which is a Standard Small Outline Integrated Circuit with 16 pins.
