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LTC3621EMS8E#TRPBF
Product Overview
Category: Integrated Circuit (IC)
Use: Power Management
Characteristics: - High efficiency - Low quiescent current - Wide input voltage range - Adjustable output voltage - Small package size
Package: MSOP-8
Essence: The LTC3621EMS8E#TRPBF is a power management IC designed for various applications that require efficient power conversion and regulation.
Packaging/Quantity: The LTC3621EMS8E#TRPBF is available in tape and reel packaging, with 2500 units per reel.
Specifications
- Input Voltage Range: 2.25V to 5.5V
- Output Voltage Range: 0.6V to VIN
- Maximum Output Current: 2A
- Quiescent Current: 20µA
- Efficiency: Up to 95%
- Switching Frequency: 1MHz
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
The LTC3621EMS8E#TRPBF has the following pin configuration:
- VIN: Input voltage pin
- GND: Ground pin
- SW: Switching node pin
- FB: Feedback pin
- EN: Enable pin
- VOUT: Output voltage pin
- PG: Power good indicator pin
- SS: Soft-start pin
Functional Features
- High efficiency synchronous buck regulator
- Adjustable output voltage through external resistors
- Power good indicator for output voltage monitoring
- Soft-start feature for controlled startup
- Enable pin for easy on/off control
Advantages and Disadvantages
Advantages: - High efficiency results in less power dissipation - Wide input voltage range allows for versatile applications - Small package size saves board space - Adjustable output voltage provides flexibility
Disadvantages: - Limited maximum output current (2A) - Requires external resistors for output voltage adjustment
Working Principles
The LTC3621EMS8E#TRPBF is a synchronous buck regulator that converts an input voltage to a lower, regulated output voltage. It utilizes high-efficiency power MOSFETs and operates at a fixed switching frequency of 1MHz. The output voltage can be adjusted by connecting external resistors to the feedback pin.
When enabled, the LTC3621EMS8E#TRPBF regulates the output voltage based on the feedback signal. It also features a soft-start function to control the startup transients. The power good indicator pin provides a signal indicating when the output voltage is within the desired range.
Detailed Application Field Plans
The LTC3621EMS8E#TRPBF is suitable for various applications, including but not limited to: - Battery-powered devices - Portable electronics - Industrial equipment - Automotive systems - IoT devices
Detailed and Complete Alternative Models
Some alternative models to the LTC3621EMS8E#TRPBF include: - LTC3621IMS8E#TRPBF - LTC3621HMS8E#TRPBF - LTC3621CMS8E#TRPBF - LTC3621WMS8E#TRPBF
These alternative models offer similar functionality and characteristics, providing options for different design requirements.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LTC3621EMS8E#TRPBF en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of LTC3621EMS8E#TRPBF in technical solutions:
Q1: What is LTC3621EMS8E#TRPBF? A1: LTC3621EMS8E#TRPBF is a specific model number for a power management integrated circuit (PMIC) manufactured by Linear Technology (now part of Analog Devices). It is designed for use in various technical solutions.
Q2: What are the key features of LTC3621EMS8E#TRPBF? A2: Some key features of LTC3621EMS8E#TRPBF include high efficiency, low quiescent current, wide input voltage range, adjustable output voltage, and integrated power switches.
Q3: What are the typical applications of LTC3621EMS8E#TRPBF? A3: LTC3621EMS8E#TRPBF can be used in a wide range of applications, including battery-powered devices, portable electronics, IoT devices, industrial equipment, and more.
Q4: What is the input voltage range supported by LTC3621EMS8E#TRPBF? A4: LTC3621EMS8E#TRPBF supports an input voltage range from 2.7V to 5.5V, making it suitable for various power sources such as batteries or USB power.
Q5: Can LTC3621EMS8E#TRPBF provide multiple output voltages? A5: No, LTC3621EMS8E#TRPBF is a single-output PMIC. It provides a regulated output voltage that can be adjusted within a certain range.
Q6: How much output current can LTC3621EMS8E#TRPBF handle? A6: LTC3621EMS8E#TRPBF can handle a maximum output current of up to 1.5A, depending on the input voltage and thermal conditions.
Q7: Does LTC3621EMS8E#TRPBF have any built-in protection features? A7: Yes, LTC3621EMS8E#TRPBF includes various protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.
Q8: Can LTC3621EMS8E#TRPBF operate in a wide temperature range? A8: Yes, LTC3621EMS8E#TRPBF is designed to operate in a wide temperature range, typically from -40°C to +125°C.
Q9: Is there any evaluation board available for LTC3621EMS8E#TRPBF? A9: Yes, Analog Devices provides an evaluation board (part number DC2320A) that allows users to test and evaluate the performance of LTC3621EMS8E#TRPBF.
Q10: Where can I find more information about LTC3621EMS8E#TRPBF? A10: You can find more detailed information about LTC3621EMS8E#TRPBF, including datasheets, application notes, and technical support, on the Analog Devices website or by contacting their customer support team.