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UCC3813PW-4
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UCC3813PW-4

Product Overview

Category

UCC3813PW-4 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

  • Integrated circuit
  • Power management functionality
  • Low power consumption
  • High efficiency

Package

UCC3813PW-4 is available in a standard 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of UCC3813PW-4 lies in its ability to efficiently manage power in various electronic devices.

Packaging/Quantity

UCC3813PW-4 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 2.7V to 18V
  • Output Voltage Range: 0.8V to 16V
  • Output Current: Up to 500mA
  • Operating Temperature Range: -40°C to 85°C
  • Switching Frequency: Adjustable up to 1MHz
  • Control Method: Voltage mode control
  • Protection Features: Overcurrent protection, thermal shutdown, undervoltage lockout

Detailed Pin Configuration

  1. VREF: Reference voltage input
  2. COMP: Error amplifier output
  3. FB: Feedback pin for regulating output voltage
  4. GND: Ground reference
  5. RT/CT: Timing resistor/capacitor connection
  6. OSC: Oscillator timing capacitor connection
  7. SS/TR: Soft-start/Shutdown control pin
  8. VCC: Supply voltage input

Functional Features

  • Voltage mode control for precise regulation
  • Adjustable switching frequency for optimization
  • Soft-start and shutdown control for smooth operation
  • Overcurrent protection ensures device safety
  • Thermal shutdown prevents overheating
  • Undervoltage lockout for reliable operation

Advantages and Disadvantages

Advantages

  • High efficiency power management
  • Wide input and output voltage range
  • Compact package size
  • Protection features enhance device reliability

Disadvantages

  • Limited output current capacity (up to 500mA)
  • Requires external timing components for operation

Working Principles

UCC3813PW-4 operates on the principle of voltage mode control. It compares the feedback voltage (FB) with a reference voltage (VREF) to regulate the output voltage. The error amplifier (COMP) adjusts the duty cycle of the internal oscillator, controlling the switching frequency. This allows precise regulation of the output voltage. Additional features like soft-start and shutdown control enhance the overall functionality.

Detailed Application Field Plans

UCC3813PW-4 finds applications in various fields, including: 1. Power supplies for consumer electronics 2. Battery charging circuits 3. LED lighting systems 4. Industrial automation equipment 5. Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to UCC3813PW-4 are: 1. LM2576-ADJ 2. LT1073-12 3. TPS5430

These models provide comparable power management capabilities and can be considered as alternatives based on specific application requirements.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением UCC3813PW-4 в технических решениях.

Sure! Here are 10 common questions and answers related to the application of UCC3813PW-4 in technical solutions:

  1. Q: What is UCC3813PW-4? A: UCC3813PW-4 is a specific model of integrated circuit (IC) voltage mode PWM controller.

  2. Q: What is the purpose of UCC3813PW-4? A: UCC3813PW-4 is designed to regulate and control the output voltage of power supplies or DC-DC converters.

  3. Q: What is the input voltage range for UCC3813PW-4? A: The input voltage range for UCC3813PW-4 typically varies from 2.7V to 18V.

  4. Q: What is the output voltage range for UCC3813PW-4? A: The output voltage range for UCC3813PW-4 depends on the external components used, but it can be adjusted to meet specific requirements.

  5. Q: How does UCC3813PW-4 regulate the output voltage? A: UCC3813PW-4 uses pulse-width modulation (PWM) technique to regulate the output voltage by adjusting the duty cycle of the switching signal.

  6. Q: Can UCC3813PW-4 handle high currents? A: No, UCC3813PW-4 is a low-power device and is not suitable for handling high currents directly. It requires external power devices such as MOSFETs or transistors for higher current applications.

  7. Q: What are the typical applications of UCC3813PW-4? A: UCC3813PW-4 is commonly used in various applications like battery chargers, LED drivers, power supplies, and DC-DC converters.

  8. Q: Does UCC3813PW-4 have built-in protection features? A: Yes, UCC3813PW-4 provides several built-in protection features like overvoltage protection, undervoltage lockout, and thermal shutdown.

  9. Q: What is the operating temperature range for UCC3813PW-4? A: The operating temperature range for UCC3813PW-4 typically varies from -40°C to 85°C.

  10. Q: Is UCC3813PW-4 available in different package options? A: Yes, UCC3813PW-4 is available in various package options, including PDIP, SOIC, and TSSOP.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications of UCC3813PW-4.