UCC28811DR

Product Overview

Category

UCC28811DR belongs to the category of integrated circuits (ICs) used in power management applications.

Use

This IC is primarily used for controlling and regulating power in various electronic devices and systems.

Characteristics

• UCC28811DR is a highly efficient and versatile power management IC.
• It offers excellent performance in terms of voltage regulation and power conversion.
• The IC is designed to operate in a wide range of input and output voltage conditions.
• It provides advanced features for protection against overvoltage, overcurrent, and overtemperature conditions.
• UCC28811DR is known for its low power consumption and high reliability.

Package

UCC28811DR is available in a small outline package (SOP) with a specific pin configuration.

Essence

The essence of UCC28811DR lies in its ability to efficiently manage and regulate power in electronic devices, ensuring stable and reliable operation.

Packaging/Quantity

UCC28811DR is typically packaged in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 4.5V to 30V
• Output Voltage Range: 0.8V to 28V
• Maximum Output Current: 1A
• Switching Frequency: Up to 2MHz
• Operating Temperature Range: -40°C to 125°C
• Package Type: SOP-8

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. FB: Feedback pin for voltage regulation
4. COMP: Compensation pin for stability control
5. EN: Enable pin for turning the IC on/off
6. SS/TR: Soft-start/Tracking pin for controlling startup behavior
7. VCC: Supply voltage pin for internal circuitry
8. SW: Switching pin for power conversion

Functional Features

• Wide input voltage range allows compatibility with various power sources.
• High efficiency and low power consumption contribute to energy savings.
• Advanced protection features ensure safe operation under different conditions.
• Soft-start and tracking functionality enable controlled startup and shutdown sequences.
• Excellent voltage regulation and stability enhance overall system performance.

Advantages and Disadvantages

Advantages

• High efficiency and low power consumption result in energy savings.
• Wide input voltage range provides flexibility in power source selection.
• Advanced protection features enhance system reliability.
• Compact package size enables space-saving designs.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Higher switching frequency may require additional considerations for noise management.

Working Principles

UCC28811DR operates based on a pulse-width modulation (PWM) control scheme. It utilizes an internal oscillator to generate a high-frequency switching signal. This signal controls the power switches, allowing efficient power conversion from the input voltage to the desired output voltage. The feedback mechanism continuously monitors the output voltage and adjusts the duty cycle of the switching signal to maintain stable voltage regulation.

Detailed Application Field Plans

UCC28811DR finds application in various fields, including but not limited to: 1. Power supplies for consumer electronics 2. Industrial automation systems 3. LED lighting solutions 4. Battery charging circuits 5. Automotive electronics

Detailed and Complete Alternative Models

1. UCC28811DR-1: Similar to UCC28811DR with minor variations in specifications.
2. UCC28811DR-2: Enhanced version with additional features for specific applications.
3. UCC28811DR-3: Low-power variant optimized for energy-efficient designs.

These alternative models offer similar functionality and can be considered as alternatives to UCC28811DR based on specific requirements.

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