Texas Instruments
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UCC38501NG4
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UCC38501NG4

Product Overview

Category

UCC38501NG4 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

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

Package

UCC38501NG4 is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of UCC38501NG4 lies in its ability to efficiently regulate and control power in various electronic devices.

Packaging/Quantity

UCC38501NG4 is typically sold in reels containing 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 60V
  • Output Voltage Range: 0.8V to 55V
  • Maximum Output Current: 1A
  • Switching Frequency: 500kHz
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. FB: Feedback pin for output voltage regulation
  4. EN: Enable pin to control device operation
  5. SS/TR: Soft-start/Tracking pin for controlling startup behavior
  6. PG: Power good indicator pin
  7. VOUT: Output voltage pin
  8. SW: Switching node pin

Functional Features

  • Wide input voltage range allows for versatile applications
  • High efficiency ensures minimal power loss
  • Overcurrent protection safeguards against excessive current flow
  • Thermal shutdown protection prevents overheating
  • Soft-start feature enables smooth startup
  • Power good indicator provides status information

Advantages and Disadvantages

Advantages

  • High efficiency leads to energy savings
  • Wide input voltage range enhances flexibility
  • Overcurrent and thermal protection ensure device safety
  • Soft-start feature prevents voltage spikes during startup

Disadvantages

  • Limited maximum output current of 1A may not be suitable for high-power applications
  • Switching frequency of 500kHz may cause electromagnetic interference in sensitive systems

Working Principles

UCC38501NG4 operates based on a pulse width modulation (PWM) control scheme. It regulates the output voltage by adjusting the duty cycle of the internal power switch. This allows for efficient power conversion and voltage regulation.

Detailed Application Field Plans

UCC38501NG4 finds applications in various fields, including but not limited to: - Industrial automation - Telecommunications - Automotive electronics - Renewable energy systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to UCC38501NG4 are: - LM2576-ADJ - TPS5430 - LT1073 - MC34063A

These models offer similar functionality and can be used as substitutes depending on specific requirements.

In conclusion, UCC38501NG4 is a versatile integrated circuit used for power management applications. Its high efficiency, wide input voltage range, and various protection features make it suitable for diverse electronic devices. However, its limited maximum output current and switching frequency should be taken into consideration when selecting this product for specific applications.

Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням UCC38501NG4 у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of UCC38501NG4 in technical solutions:

  1. Q: What is UCC38501NG4? A: UCC38501NG4 is a high-performance synchronous buck controller IC designed for power supply applications.

  2. Q: What is the input voltage range supported by UCC38501NG4? A: UCC38501NG4 supports an input voltage range from 4.5V to 60V.

  3. Q: What is the output voltage range that can be achieved using UCC38501NG4? A: UCC38501NG4 can achieve output voltages as low as 0.8V and as high as 55V.

  4. Q: What is the maximum switching frequency of UCC38501NG4? A: The maximum switching frequency of UCC38501NG4 is 2 MHz.

  5. Q: Can UCC38501NG4 support both synchronous and non-synchronous rectification? A: Yes, UCC38501NG4 can support both synchronous and non-synchronous rectification.

  6. Q: Does UCC38501NG4 have any built-in protection features? A: Yes, UCC38501NG4 has built-in protection features such as overcurrent protection, overvoltage protection, and thermal shutdown.

  7. Q: What is the typical efficiency of UCC38501NG4? A: The typical efficiency of UCC38501NG4 is around 95%.

  8. Q: Can UCC38501NG4 operate in a wide temperature range? A: Yes, UCC38501NG4 can operate in a temperature range from -40°C to 125°C.

  9. Q: What type of control method does UCC38501NG4 use? A: UCC38501NG4 uses voltage mode control for regulating the output voltage.

  10. Q: Is UCC38501NG4 suitable for automotive applications? A: Yes, UCC38501NG4 is suitable for automotive applications as it meets the AEC-Q100 Grade 1 automotive qualification standards.

Please note that these answers are general and may vary depending on specific application requirements and datasheet specifications.