UCC3813D-4G4

Product Overview

Category

UCC3813D-4G4 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

• Integrated circuit
• Power management functionality
• High efficiency
• Compact size
• Wide operating voltage range

Package

UCC3813D-4G4 is available in a small outline package (SOP) format.

Essence

The essence of UCC3813D-4G4 lies in its ability to efficiently manage power in various electronic devices.

Packaging/Quantity

This product 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
• Maximum Output Current: 500mA
• Operating Temperature Range: -40°C to +85°C
• Switching Frequency: 100kHz to 1MHz
• Control Method: Voltage Mode PWM

Detailed Pin Configuration

UCC3813D-4G4 has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. COMP: Compensation pin for feedback control loop
4. FB: Feedback pin for output voltage regulation
5. CS: Current sense pin for current limit protection
6. RT/CT: Timing components connection pins
7. SS/TR: Soft-start and shutdown control pin
8. OUT: Power output pin

Functional Features

• Voltage mode pulse width modulation (PWM) control
• Adjustable output voltage
• Overcurrent protection
• Soft-start and shutdown control
• Error amplifier for precise voltage regulation
• External timing components for frequency adjustment

Advantages and Disadvantages

Advantages

• High efficiency power management
• Wide input and output voltage range
• Compact size for space-constrained applications
• Overcurrent protection ensures device safety
• Soft-start feature prevents inrush current

Disadvantages

• Limited maximum output current (500mA)
• Requires external timing components for frequency adjustment

Working Principles

UCC3813D-4G4 operates on the principle of voltage mode pulse width modulation (PWM) control. It regulates the output voltage by comparing it with a reference voltage and adjusting the duty cycle of the PWM signal accordingly. This control method ensures efficient power transfer and precise voltage regulation.

Detailed Application Field Plans

UCC3813D-4G4 finds applications in various fields, including but not limited to: 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 UCC3813D-4G4 are: 1. LM2576-ADJ 2. LT1073-12 3. TPS5430-EP 4. MAX668 5. MC34063A

These models can be considered as alternatives based on specific requirements and design constraints.

In conclusion, UCC3813D-4G4 is an integrated circuit used for power management applications. It offers high efficiency, a wide operating voltage range, and compact size. The product operates on voltage mode PWM control and provides features like overcurrent protection and soft-start. It finds applications in various fields such as consumer electronics, battery charging, LED lighting, industrial automation, and automotive electronics. Alternative models include LM2576-ADJ, LT1073-12, TPS5430-EP, MAX668, and MC34063A.