LTC3621EMS8E-3.3#TRPBF

Product Overview

Category

LTC3621EMS8E-3.3#TRPBF belongs to the category of voltage regulators.

Use

This product is commonly used in electronic devices to regulate and stabilize the voltage supply.

Characteristics

• Voltage regulation: The LTC3621EMS8E-3.3#TRPBF provides a stable output voltage.
• Efficiency: It offers high efficiency, minimizing power loss during voltage conversion.
• Compact package: The product comes in a small form factor, making it suitable for space-constrained applications.
• Low noise: It ensures minimal electrical noise interference.
• Wide input voltage range: The regulator can handle a wide range of input voltages.

Package

The LTC3621EMS8E-3.3#TRPBF is packaged in an 8-pin MSOP (Mini Small Outline Package).

Essence

The essence of LTC3621EMS8E-3.3#TRPBF lies in its ability to provide reliable and stable voltage regulation for electronic devices.

Packaging/Quantity

This product is typically available in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.25V to 5.5V
• Output Voltage: 3.3V
• Output Current: Up to 1A
• Quiescent Current: 20µA
• Switching Frequency: 1MHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC3621EMS8E-3.3#TRPBF has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. SW: Switching pin
4. FB: Feedback pin
5. EN: Enable pin
6. VOUT: Output voltage pin
7. PGND: Power ground pin
8. SS: Soft-start pin

Functional Features

• Voltage Regulation: The LTC3621EMS8E-3.3#TRPBF maintains a stable output voltage regardless of input variations.
• Current Limiting: It incorporates current limiting protection to prevent damage due to excessive current flow.
• Thermal Shutdown: The regulator includes thermal shutdown circuitry to protect against overheating.
• Soft-Start: The soft-start feature ensures a gradual and controlled startup, reducing inrush current.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Wide input voltage range allows for versatile applications.
• Compact package enables use in space-constrained designs.
• Low noise output minimizes interference with other components.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• Higher cost compared to non-regulated voltage sources.

Working Principles

The LTC3621EMS8E-3.3#TRPBF operates as a step-down (buck) voltage regulator. It uses a switching mechanism to convert the higher input voltage to a lower, regulated output voltage. This is achieved by controlling the duty cycle of the internal switch, which regulates the energy transfer from the input to the output.

Detailed Application Field Plans

The LTC3621EMS8E-3.3#TRPBF finds applications in various electronic devices, including but not limited to: - Portable consumer electronics - Battery-powered devices - IoT (Internet of Things) devices - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to LTC3621EMS8E-3.3#TRPBF include: - LM317: A popular linear voltage regulator with adjustable output voltage. - LT1763: A low dropout (LDO) regulator with high accuracy and low noise. - TPS54331: A synchronous buck converter with integrated power MOSFETs.

These alternative models can be considered based on specific application requirements and design constraints.

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