LTC1821-1AIGW#PBF

Product Overview

Category

The LTC1821-1AIGW#PBF belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

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

Package

The LTC1821-1AIGW#PBF is available in a small form factor package, which makes it suitable for space-constrained applications.

Essence

The essence of the LTC1821-1AIGW#PBF lies in its ability to efficiently regulate voltage and manage power in electronic devices.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to VIN
• Maximum Output Current: 1A
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LTC1821-1AIGW#PBF has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin
4. EN: Enable pin
5. VOUT: Output voltage pin

Functional Features

• Voltage Regulation: The LTC1821-1AIGW#PBF provides stable and adjustable output voltage, ensuring proper functioning of connected devices.
• Power Management: This IC efficiently manages power consumption, reducing energy waste and extending battery life.
• Overcurrent Protection: It incorporates overcurrent protection to prevent damage to the IC and connected devices in case of excessive current flow.
• Thermal Shutdown Protection: The LTC1821-1AIGW#PBF includes thermal shutdown protection, which safeguards against overheating.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Wide input voltage range allows compatibility with various power sources.
• Adjustable output voltage provides flexibility for different applications.
• Overcurrent and thermal shutdown protection enhance device safety.

Disadvantages

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

Working Principles

The LTC1821-1AIGW#PBF operates based on a switching regulator topology. It uses a combination of inductors, capacitors, and switches to efficiently convert the input voltage to the desired output voltage. The feedback mechanism ensures that the output voltage remains stable and within the specified range.

Detailed Application Field Plans

The LTC1821-1AIGW#PBF finds application in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Wearable devices - IoT devices

In these applications, it is used for voltage regulation and power management, ensuring reliable and efficient operation of the devices.

Detailed and Complete Alternative Models

• LTC1821-2AIGW#PBF: Similar to LTC1821-1AIGW#PBF, but with a higher maximum output current of 2A.
• LTC1821-3AIGW#PBF: Similar to LTC1821-1AIGW#PBF, but with a higher maximum output current of 3A.
• LTC1821-1BIGW#PBF: Similar to LTC1821-1AIGW#PBF, but with a different package type (BGA) for specific mounting requirements.

These alternative models provide options with varying output current capabilities and package types to cater to different application needs.

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