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UCC38501DWG4
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UCC38501DWG4 - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Low power consumption - Wide input voltage range - Multiple protection features

Package: DWG (SOIC-16)

Essence: The UCC38501DWG4 is a power management IC designed for efficient power conversion and control in various applications.

Packaging/Quantity: Available in tape and reel packaging, with 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: Up to 2MHz
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The UCC38501DWG4 has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. FB: Feedback pin for output voltage regulation
  4. EN: Enable pin for turning the IC on/off
  5. SS/TR: Soft-start/Tracking pin for controlling startup behavior
  6. COMP: Compensation pin for loop stability
  7. VREF: Reference voltage output pin
  8. PGND: Power ground pin
  9. BST: Boost pin for driving external MOSFET
  10. SW: Switch node pin for connecting the inductor
  11. AGND: Analog ground pin
  12. UVLO: Undervoltage lockout pin
  13. OCSET: Overcurrent limit setting pin
  14. SS/TR: Soft-start/Tracking pin for controlling startup behavior
  15. VSENSE: Current sense input pin
  16. VOUT: Output voltage pin

Functional Features

  • Wide input voltage range allows for versatile applications
  • High efficiency conversion for reduced power loss
  • Integrated protection features including overcurrent and undervoltage lockout
  • Soft-start and tracking functionality for controlled startup behavior
  • Adjustable compensation for loop stability

Advantages

  • High efficiency operation leads to energy savings
  • Wide input voltage range enables compatibility with various power sources
  • Multiple protection features enhance system reliability
  • Compact package size for space-constrained designs
  • Adjustable compensation allows for optimization in different applications

Disadvantages

  • Limited maximum output current of 1A may not be suitable for high-power applications
  • Higher switching frequency may introduce additional noise in sensitive systems

Working Principles

The UCC38501DWG4 operates as a step-down (buck) converter, converting a higher input voltage to a lower output voltage. It utilizes a pulse-width modulation (PWM) control scheme to regulate the output voltage. The IC incorporates a high-side MOSFET switch and a low-side synchronous rectifier to achieve high efficiency.

Detailed Application Field Plans

The UCC38501DWG4 is commonly used in the following applications:

  1. Industrial automation systems
  2. Telecommunications equipment
  3. Automotive electronics
  4. Power supplies for consumer electronics
  5. Renewable energy systems

Detailed and Complete Alternative Models

  1. UCC28501DWG4: Similar specifications and features, but with a higher maximum output current of 2A.
  2. UCC28502DWG4: Dual-channel version of the UCC28501DWG4, suitable for multi-output applications.
  3. UCC28503DWG4: Lower maximum output current of 500mA, suitable for low-power applications.

These alternative models provide flexibility in choosing the most suitable power management IC based on specific requirements.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi UCC38501DWG4 dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of UCC38501DWG4 in technical solutions:

  1. Q: What is UCC38501DWG4? A: UCC38501DWG4 is a high-performance synchronous buck controller IC designed for power supply applications.

  2. Q: What is the input voltage range of UCC38501DWG4? A: The input voltage range of UCC38501DWG4 is typically between 4.5V and 60V.

  3. Q: What is the output voltage range of UCC38501DWG4? A: The output voltage range of UCC38501DWG4 can be adjusted from 0.8V to 90% of the input voltage.

  4. Q: What is the maximum switching frequency of UCC38501DWG4? A: The maximum switching frequency of UCC38501DWG4 is typically 1 MHz.

  5. Q: Can UCC38501DWG4 operate in a wide temperature range? A: Yes, UCC38501DWG4 is designed to operate in a wide temperature range, typically from -40°C to 125°C.

  6. Q: Does UCC38501DWG4 have built-in protection features? A: Yes, UCC38501DWG4 incorporates various protection features such as overvoltage protection, undervoltage lockout, and thermal shutdown.

  7. Q: Can UCC38501DWG4 be used in automotive applications? A: Yes, UCC38501DWG4 is suitable for automotive applications as it meets the AEC-Q100 Grade 1 qualification.

  8. Q: What type of control method does UCC38501DWG4 use? A: UCC38501DWG4 utilizes voltage mode control for regulating the output voltage.

  9. Q: Can UCC38501DWG4 be synchronized to an external clock? A: Yes, UCC38501DWG4 can be synchronized to an external clock signal using its SYNC pin.

  10. Q: What is the typical efficiency of UCC38501DWG4? A: The typical efficiency of UCC38501DWG4 is around 95% when operating under optimal conditions.

Please note that the answers provided here are general and may vary depending on specific application requirements and conditions. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.