UCC3813DTR-4G4

Product Overview

Category

UCC3813DTR-4G4 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in power management applications.

Characteristics

• Low-power consumption
• High efficiency
• Wide input voltage range
• Adjustable output voltage
• Overcurrent protection

Package

UCC3813DTR-4G4 is available in a small outline package (SOP) with 8 pins.

Essence

The essence of UCC3813DTR-4G4 lies in its ability to efficiently regulate and control power in various electronic devices.

Packaging/Quantity

This IC is typically packaged in reels, with each reel containing a specific quantity of UCC3813DTR-4G4 units.

Specifications

• Input Voltage Range: 2.7V - 18V
• Output Voltage Range: 0.8V - 16V
• Maximum Output Current: 500mA
• Operating Temperature Range: -40°C to 85°C
• Switching Frequency: 100kHz - 1MHz

Detailed Pin Configuration

1. VCC: Power supply input
2. GND: Ground reference
3. FB: Feedback pin for output voltage regulation
4. COMP: Compensation pin for stability control
5. RT/CT: Timing components connection pins
6. SS/TR: Soft-start and shutdown control pin
7. OUT: Regulated output voltage
8. SYNC: Synchronization pin for multiple ICs

Functional Features

• Voltage regulation: UCC3813DTR-4G4 provides precise output voltage regulation, ensuring stable power supply to connected devices.
• Overcurrent protection: The IC incorporates overcurrent protection, safeguarding both the device and the load from excessive current flow.
• Soft-start and shutdown control: The soft-start feature allows for gradual power-up, reducing stress on the system. The shutdown control enables efficient power management during standby or idle modes.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Wide input voltage range allows for compatibility with various power sources.
• Adjustable output voltage provides flexibility in different applications.
• Overcurrent protection enhances system reliability.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• Operating temperature range might not be suitable for extreme environments.

Working Principles

UCC3813DTR-4G4 operates based on a pulse-width modulation (PWM) control scheme. It regulates the output voltage by adjusting the duty cycle of the internal switch, which controls the energy transfer from the input to the output. By continuously monitoring the feedback voltage, the IC adjusts the duty cycle to maintain the desired output voltage.

Detailed Application Field Plans

UCC3813DTR-4G4 finds application in various fields, including: 1. Power supplies for consumer electronics 2. Battery-powered devices 3. Industrial automation systems 4. Automotive electronics 5. LED lighting systems

Detailed and Complete Alternative Models

1. UCC3813DTR-5G4: Similar to UCC3813DTR-4G4 but with a different output voltage range.
2. UCC3813DTR-3G4: Another variant with a lower maximum output current but wider operating temperature range.
3. UCC3813DTR-4G1: A higher-performance version with additional features like adjustable switching frequency.

These alternative models offer similar functionality but may have specific differences in terms of voltage range, current capacity, or additional features.

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