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UCC28C40DGKR
+NomenclatureIC REG CTRLR MULT TOP 8VSSOP
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FabricantTexas Instruments
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Pièce fabricant #UCC28C40DGKR
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Fiche technique UCC28C40DGKR DataSheet
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En stock2710
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Spécifications
| Attribut | Valeur |
| Part Status | Active |
| 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) | 6.6V ~ 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-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package | 8-VSSOP |
| Base Product Number | UCC28C40 |
Présentation
Description
The UCC28C40DGKR is a high-performance, voltage-mode PWM (Pulse Width Modulation) controller designed for switch-mode power supplies. It is part of the UCC28xx series from Texas Instruments and is optimized for low-power applications, making it suitable for converters such as flyback, buck, and boost topologies.
Key features include:
- Voltage Mode Control: Ensures stable output and simplifies compensation.
- Integrated PWM Generator: Provides precise control of the output voltage.
- Low Start-Up Current: Enhances efficiency during startup.
- Wide Input Voltage Range: Accommodates various battery and AC-to-DC applications.
- Programmable Soft Start: Helps minimize inrush current and overshoot.
- Thermal and Overcurrent Protection: Enhances reliability and safety.
The UCC28C40DGKR is typically used in applications including adapters, industrial power supplies, and consumer electronics, where efficiency and reliability are critical.
Key features include:
- Voltage Mode Control: Ensures stable output and simplifies compensation.
- Integrated PWM Generator: Provides precise control of the output voltage.
- Low Start-Up Current: Enhances efficiency during startup.
- Wide Input Voltage Range: Accommodates various battery and AC-to-DC applications.
- Programmable Soft Start: Helps minimize inrush current and overshoot.
- Thermal and Overcurrent Protection: Enhances reliability and safety.
The UCC28C40DGKR is typically used in applications including adapters, industrial power supplies, and consumer electronics, where efficiency and reliability are critical.
Equivalent
The UCC28C40DGKR is a PWM controller used in power supply applications. Equivalent products include the TL494, UC3842, and UC3843. These alternatives share similar features like voltage regulation and PWM control but may differ in specifications such as frequency, output current, and package type. Always verify the specific application requirements for compatibility.
Features
The UCC28C40DGKR is a high-performance PWM (Pulse Width Modulation) controller designed for power management applications. Key features include:
1. Wide Input Voltage Range: Operates from 10V to 30V, making it suitable for various power supply designs.
2. Multiple Modes of Operation: Supports voltage mode control and current limit features, enhancing versatility in applications.
3. Integrated Soft Start: Provides a controlled ramp-up of output voltage, reducing inrush current and ensuring stable startup.
4. Built-in Overcurrent Protection: Protects against overcurrent conditions, increasing system reliability.
5. High Switching Frequency: Capable of operating at frequencies up to 500kHz, allowing for smaller inductors and capacitors in designs.
6. Output Drive Capability: Strong output drive for N-channel MOSFETs, ensuring efficient power conversion.
7. Compact Package: Housed in a 16-pin TSSOP, suitable for space-constrained applications.
These features make the UCC28C40DGKR ideal for various DC-DC converter designs, including isolated and non-isolated applications.
1. Wide Input Voltage Range: Operates from 10V to 30V, making it suitable for various power supply designs.
2. Multiple Modes of Operation: Supports voltage mode control and current limit features, enhancing versatility in applications.
3. Integrated Soft Start: Provides a controlled ramp-up of output voltage, reducing inrush current and ensuring stable startup.
4. Built-in Overcurrent Protection: Protects against overcurrent conditions, increasing system reliability.
5. High Switching Frequency: Capable of operating at frequencies up to 500kHz, allowing for smaller inductors and capacitors in designs.
6. Output Drive Capability: Strong output drive for N-channel MOSFETs, ensuring efficient power conversion.
7. Compact Package: Housed in a 16-pin TSSOP, suitable for space-constrained applications.
These features make the UCC28C40DGKR ideal for various DC-DC converter designs, including isolated and non-isolated applications.
Pinout
The UCC28C40DGKR is a dual PWM (Pulse Width Modulation) controller designed for power management applications. It features a 20-pin dual in-line package (DIP) or a surface-mount package (SOP).
### Pin Count:
- Total Pins: 20
### Pin Functions:
1. VDD: Power supply input.
2. GND: Ground connection.
3. COMP: Compensation node for stability.
4. CSN: Current sense negative input.
5. CSP: Current sense positive input.
6. RT: Timing resistor connection.
7. CT: Timing capacitor connection.
8. SYNC: Synchronization input.
9. SS: Soft-start control.
10. REF: Reference voltage output.
11. VSENSE: Voltage sense input.
12. VFB: Feedback input for voltage regulation.
13. OUT1: PWM output for the first power stage.
14. OUT2: PWM output for the second power stage.
15. FREQ: Frequency adjustment.
16. CTH: Current threshold adjustment.
17. VREF: Reference voltage for external components.
18. ISENSE: Current sense for overcurrent protection.
19. VDROOP: Voltage droop sensing.
20. TR: Trigger input for fault conditions.
This device is often used in switch-mode power supplies and offers features for high efficiency and control.
### Pin Count:
- Total Pins: 20
### Pin Functions:
1. VDD: Power supply input.
2. GND: Ground connection.
3. COMP: Compensation node for stability.
4. CSN: Current sense negative input.
5. CSP: Current sense positive input.
6. RT: Timing resistor connection.
7. CT: Timing capacitor connection.
8. SYNC: Synchronization input.
9. SS: Soft-start control.
10. REF: Reference voltage output.
11. VSENSE: Voltage sense input.
12. VFB: Feedback input for voltage regulation.
13. OUT1: PWM output for the first power stage.
14. OUT2: PWM output for the second power stage.
15. FREQ: Frequency adjustment.
16. CTH: Current threshold adjustment.
17. VREF: Reference voltage for external components.
18. ISENSE: Current sense for overcurrent protection.
19. VDROOP: Voltage droop sensing.
20. TR: Trigger input for fault conditions.
This device is often used in switch-mode power supplies and offers features for high efficiency and control.
Manufacturer
The UCC28C40DGKR is manufactured by Texas Instruments, a global semiconductor company. Texas Instruments (TI) specializes in designing and manufacturing a wide range of electronics components, including analog chips, embedded processors, and digital signal processors, primarily for various applications in industrial, automotive, and consumer electronics sectors. Founded in 1930, the company is headquartered in Dallas, Texas, and is known for its innovation and contributions to the electronics industry. TI focuses on delivering high-performance products while also emphasizing sustainability and technological advancement. The UCC28C40DGKR specifically is a voltage mode PWM controller used in power management applications, showcasing TI's expertise in power solutions.
Application
The UCC28C40DGKR is a high-performance PWM controller primarily used in power supply applications. Its key application areas include:
1. Switching Power Supplies: Ideal for designing robust AC-DC and DC-DC converters.
2. Offline Power Supplies: Used in power adapters and chargers.
3. Telecommunication Equipment: Provides efficient power management for telecom infrastructure.
4. Industrial Control Systems: Supports reliable power delivery in automation and control applications.
5. Server and Networking Equipment: Ensures stable power for servers and networking devices.
Its ability to operate in a wide voltage range and support various topologies makes it versatile for these applications.
1. Switching Power Supplies: Ideal for designing robust AC-DC and DC-DC converters.
2. Offline Power Supplies: Used in power adapters and chargers.
3. Telecommunication Equipment: Provides efficient power management for telecom infrastructure.
4. Industrial Control Systems: Supports reliable power delivery in automation and control applications.
5. Server and Networking Equipment: Ensures stable power for servers and networking devices.
Its ability to operate in a wide voltage range and support various topologies makes it versatile for these applications.
Package
The UCC28C40DGKR is available in a 16-pin SOIC (Small Outline Integrated Circuit) package, which is a surface-mount type designed for compact applications.
