UCC3921D/81143G4

Product Overview

Category

UCC3921D/81143G4 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage regulation and power management.

Characteristics

• Integrated circuit
• Voltage regulation and power management capabilities
• Compact package size
• High efficiency
• Low power consumption

Package

UCC3921D/81143G4 is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of UCC3921D/81143G4 lies in its ability to regulate voltage and manage power efficiently in electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of UCC3921D/81143G4 ICs.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Maximum Output Current: 1A
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOIC-8

Detailed Pin Configuration

UCC3921D/81143G4 has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. FB (Feedback)
4. EN (Enable)
5. VOUT (Output Voltage)
6. COMP (Compensation)
7. SS (Soft Start)
8. PGND (Power Ground)

Functional Features

• Voltage regulation: UCC3921D/81143G4 ensures a stable output voltage within the specified range.
• Power management: It efficiently manages power consumption, optimizing energy usage.
• Enable control: The EN pin allows for easy on/off control of the device.
• Soft start: The SS pin enables a gradual ramp-up of the output voltage, preventing sudden surges.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power wastage.
• Compact package size allows for space-saving designs.
• Wide input and output voltage ranges provide flexibility in various applications.
• Enable control simplifies device operation.

Disadvantages

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

Working Principles

UCC3921D/81143G4 operates based on a feedback mechanism. It continuously monitors the output voltage and adjusts the internal circuitry to maintain a stable voltage level. The compensation pin (COMP) helps optimize the stability and response time of the voltage regulation process.

Detailed Application Field Plans

UCC3921D/81143G4 finds applications in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable gaming consoles - Wearable devices - IoT devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to UCC3921D/81143G4 are: - LM2576-ADJ - LT1083CP - TPS5430DDAR - MAX5035AUPA

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

Word count: 398 words