LTC3621HMS8E-2#PBF

Product Overview

Category

The LTC3621HMS8E-2#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This product is commonly used in various electronic devices and systems to efficiently regulate and control power supply voltages.

Characteristics

• High efficiency: The LTC3621HMS8E-2#PBF offers high conversion efficiency, minimizing power losses during voltage regulation.
• Wide input voltage range: It can accept a wide range of input voltages, making it suitable for diverse power supply applications.
• Low quiescent current: The device has a low standby current, ensuring minimal power consumption when not actively regulating voltages.
• Small form factor: The LTC3621HMS8E-2#PBF is available in a compact package, enabling its use in space-constrained designs.

Package

The LTC3621HMS8E-2#PBF is packaged in an MSOP-8 (Mini Small Outline Package) format. This package provides a small footprint while maintaining good thermal performance.

Essence

The essence of the LTC3621HMS8E-2#PBF lies in its ability to efficiently regulate and control power supply voltages, ensuring stable and reliable operation of electronic devices.

Packaging/Quantity

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

Specifications

• Input Voltage Range: 2.25V to 5.5V
• Output Voltage Range: 0.6V to VIN
• Maximum Output Current: 1A
• Switching Frequency: 1MHz
• Quiescent Current: 30µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC3621HMS8E-2#PBF has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. SW: Switching node pin
4. FB: Feedback pin for output voltage regulation
5. EN: Enable pin for turning the device on/off
6. SS: Soft-start pin for controlling the startup behavior
7. PG: Power good indicator pin
8. VOUT: Output voltage pin

Functional Features

• High-efficiency synchronous buck regulator
• Adjustable output voltage through external resistors
• Integrated power MOSFETs for compact design
• Soft-start function for controlled startup
• Power good indicator for system monitoring
• Overcurrent and overtemperature protection

Advantages and Disadvantages

Advantages

• High conversion efficiency reduces power losses
• Wide input voltage range allows flexibility in power supply selection
• Small form factor enables use in space-constrained designs
• Integrated power MOSFETs simplify circuit design
• Soft-start function prevents excessive inrush current during startup

Disadvantages

• Limited maximum output current of 1A may not be suitable for high-power applications
• Requires external components for proper operation, increasing overall system complexity

Working Principles

The LTC3621HMS8E-2#PBF operates as a synchronous buck regulator, converting a higher input voltage to a lower output voltage efficiently. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage based on feedback from the FB pin. The integrated power MOSFETs switch on and off rapidly to control the energy transfer from the input to the output, minimizing power losses.

Detailed Application Field Plans

The LTC3621HMS8E-2#PBF finds applications in various fields, including but not limited to: - Portable electronic devices - Battery-powered systems - Industrial automation - Automotive electronics - Telecommunications equipment

Detailed and Complete Alternative Models

1. LTC3621IMS8E-2#PBF: Similar to LTC3621HMS8E-2#PBF, but packaged in an MSOP-8 format.
2. LTC3621CMS8E-2#PBF: Similar to LTC3621HMS8E-2#PBF, but packaged in an MSOP-8 format with a different pin configuration.
3. LTC3621HMS8E-3#PBF: Similar to LTC3621HMS8E-2#PBF, but with a different output voltage range.

These alternative models offer similar functionality and characteristics, providing options for different design requirements.

In conclusion, the LTC3621HMS8E-2#PBF is a high-efficiency synchronous buck regulator IC used for power management applications. Its compact size, wide input voltage range, and adjustable output voltage make it suitable for various electronic devices and systems. While it has advantages such as high efficiency and integrated protection features, its limited maximum