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UCC3895DWTR
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UCC3895DWTR

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High-performance PWM Controller
  • Package: SOIC-16
  • Essence: Control and regulation of power supply systems
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 10V to 20V
  • Output Voltage Range: 0V to 15V
  • Operating Temperature Range: -40°C to +85°C
  • Switching Frequency: 100kHz to 1MHz
  • Duty Cycle Range: 0% to 100%
  • Maximum Output Current: 2A

Detailed Pin Configuration

  1. VREF: Reference voltage input
  2. COMP: Error amplifier output
  3. FB: Feedback voltage input
  4. CS: Current sense input
  5. RT/CT: Timing components for oscillator frequency control
  6. GND: Ground
  7. SS/TR: Soft-start and tracking control
  8. VDD: Positive power supply input
  9. SYNC: Synchronization input
  10. OUT: Output voltage
  11. UVLO: Under-voltage lockout
  12. EN: Enable control
  13. NC: No connection
  14. NC: No connection
  15. NC: No connection
  16. NC: No connection

Functional Features

  • High-performance pulse-width modulation (PWM) controller
  • Wide input voltage range for versatile applications
  • Adjustable output voltage and duty cycle for flexibility
  • Precise current sensing for accurate regulation
  • Soft-start and tracking control for smooth power-up
  • Synchronization capability for multi-phase operation
  • Under-voltage lockout protection for system reliability

Advantages and Disadvantages

Advantages: - High-performance and reliable power management solution - Wide input voltage range allows for various power supply systems - Adjustable output voltage and duty cycle provide flexibility in design - Precise current sensing ensures accurate regulation

Disadvantages: - Limited maximum output current of 2A may not be suitable for high-power applications - Requires external timing components for oscillator frequency control

Working Principles

The UCC3895DWTR is a high-performance PWM controller designed for power management applications. It operates by regulating the duty cycle of the output voltage based on feedback from the error amplifier. The input voltage range, output voltage, and duty cycle can be adjusted to meet specific requirements. The device incorporates features such as soft-start, tracking control, and synchronization capability to enhance system performance and reliability. Under-voltage lockout protection ensures safe operation.

Detailed Application Field Plans

The UCC3895DWTR is commonly used in various power management applications, including: 1. Switching Power Supplies 2. DC-DC Converters 3. Battery Chargers 4. LED Drivers 5. Motor Control Systems

Detailed and Complete Alternative Models

  1. UCC3895DW: Similar specifications and pin configuration, but available in a different package (PDIP-16).
  2. UCC3895D: Lower maximum output current (1.5A) but otherwise similar specifications and features.
  3. UCC3895: Non-RoHS compliant version with the same specifications and features.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von UCC3895DWTR in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of UCC3895DWTR in technical solutions:

  1. Q: What is UCC3895DWTR? A: UCC3895DWTR is a high-performance pulse width modulation (PWM) controller IC used in power supply applications.

  2. Q: What is the input voltage range for UCC3895DWTR? A: The input voltage range for UCC3895DWTR is typically between 8V and 18V.

  3. Q: What is the maximum switching frequency supported by UCC3895DWTR? A: UCC3895DWTR supports a maximum switching frequency of up to 1MHz.

  4. Q: Can UCC3895DWTR be used in both buck and boost converter topologies? A: Yes, UCC3895DWTR can be used in both buck and boost converter topologies.

  5. Q: What is the maximum output current that UCC3895DWTR can handle? A: The maximum output current that UCC3895DWTR can handle depends on the external components used in the design.

  6. Q: Does UCC3895DWTR have built-in protection features? A: Yes, UCC3895DWTR has built-in protection features such as overcurrent protection, overvoltage protection, and thermal shutdown.

  7. Q: Can UCC3895DWTR operate in a wide temperature range? A: Yes, UCC3895DWTR can operate in a wide temperature range, typically from -40°C to 125°C.

  8. Q: What type of control method does UCC3895DWTR use? A: UCC3895DWTR uses voltage mode control, which provides good stability and transient response.

  9. Q: Can UCC3895DWTR be used in automotive applications? A: Yes, UCC3895DWTR is suitable for automotive applications as it meets the necessary standards and requirements.

  10. Q: What are some typical applications of UCC3895DWTR? A: Some typical applications of UCC3895DWTR include power supplies for industrial equipment, telecommunications, and automotive systems.

Please note that these answers are general and may vary depending on specific design considerations and requirements.