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UCC25701N
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UCC25701N

Product Overview

Category

UCC25701N belongs to the category of integrated circuits (ICs).

Use

The UCC25701N is primarily used as a power management IC.

Characteristics

  • High efficiency
  • Low power consumption
  • Wide input voltage range
  • Overcurrent protection
  • Thermal shutdown protection

Package

The UCC25701N is available in a compact and durable package, suitable for various applications.

Essence

The essence of UCC25701N lies in its ability to efficiently manage power and protect against overcurrent and thermal issues.

Packaging/Quantity

The UCC25701N is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Input Voltage Range: 4.5V to 40V
  • Output Voltage Range: 0.8V to 5.5V
  • Maximum Output Current: 3A
  • Switching Frequency: 500kHz
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. COMP: Compensation pin
  6. SS/TR: Soft-start/Tracking pin
  7. PGND: Power ground pin
  8. VOUT: Output voltage pin
  9. SW: Switching pin

Functional Features

  • Wide input voltage range allows for versatile applications.
  • High efficiency ensures minimal power loss.
  • Overcurrent protection safeguards the circuit from excessive current flow.
  • Thermal shutdown protection prevents overheating and damage.

Advantages

  • High efficiency results in energy savings.
  • Wide input voltage range provides flexibility in different power supply scenarios.
  • Overcurrent protection enhances system reliability.
  • Thermal shutdown protection prevents damage due to excessive heat.

Disadvantages

  • Limited maximum output current may restrict certain high-power applications.
  • Higher switching frequency may introduce additional noise in sensitive circuits.

Working Principles

The UCC25701N operates as a step-down (buck) converter. It regulates the input voltage to a lower, desired output voltage by controlling the duty cycle of the internal power switch. This is achieved through a feedback mechanism that continuously adjusts the duty cycle based on the difference between the actual and desired output voltages.

Detailed Application Field Plans

The UCC25701N finds extensive use in various applications, including but not limited to: - Power supplies for industrial equipment - Automotive electronics - Telecommunications systems - Consumer electronics - LED lighting

Detailed and Complete Alternative Models

  1. UCC25702N: Similar to UCC25701N with higher maximum output current (5A).
  2. UCC25703N: Similar to UCC25701N with lower switching frequency (300kHz).
  3. UCC25704N: Similar to UCC25701N with wider input voltage range (2.7V to 40V).

These alternative models offer similar functionality with slight variations to cater to specific requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de UCC25701N en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of UCC25701N in technical solutions:

  1. Q: What is UCC25701N? A: UCC25701N is a high-performance integrated circuit (IC) designed for power management applications.

  2. Q: What are the key features of UCC25701N? A: Some key features of UCC25701N include wide input voltage range, high efficiency, adjustable output voltage, and overcurrent protection.

  3. Q: What are the typical applications of UCC25701N? A: UCC25701N is commonly used in various technical solutions such as power supplies, battery chargers, LED drivers, and industrial control systems.

  4. Q: How does UCC25701N achieve high efficiency? A: UCC25701N utilizes advanced control techniques like pulse frequency modulation (PFM) and pulse width modulation (PWM) to optimize power conversion efficiency.

  5. Q: Can UCC25701N handle different input voltage levels? A: Yes, UCC25701N has a wide input voltage range, typically from 4.5V to 65V, making it suitable for a variety of applications.

  6. Q: Is UCC25701N capable of providing multiple output voltages? A: No, UCC25701N is a single-output device. If multiple output voltages are required, additional ICs or external components may be needed.

  7. Q: Does UCC25701N have built-in protection features? A: Yes, UCC25701N offers various protection features including overcurrent protection, thermal shutdown, and undervoltage lockout.

  8. Q: Can UCC25701N operate in harsh environments? A: UCC25701N has a wide operating temperature range and is designed to withstand harsh conditions, making it suitable for industrial applications.

  9. Q: What is the maximum output current of UCC25701N? A: The maximum output current of UCC25701N depends on the specific application and external components used. It can typically handle currents up to several amps.

  10. Q: Are there any evaluation boards or reference designs available for UCC25701N? A: Yes, Texas Instruments (the manufacturer of UCC25701N) provides evaluation boards and reference designs that can help users quickly prototype their applications.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.