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LTC3621EDCB

LTC3621EDCB

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Low Quiescent Current, Wide Input Voltage Range
  • Package: DFN-8 (3mm x 2mm)
  • Essence: Step-Down DC/DC Converter
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.6V to VIN
  • Switching Frequency: 1MHz
  • Quiescent Current: 15µA
  • Maximum Output Current: 1A
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC3621EDCB features the following pin configuration:

  1. VIN: Input Voltage
  2. GND: Ground
  3. SW: Switch Node
  4. FB: Feedback Voltage
  5. EN: Enable Pin
  6. PG: Power Good Indicator
  7. VOUT: Output Voltage
  8. VOUT: Output Voltage

Functional Features

  • High efficiency step-down DC/DC converter
  • Low quiescent current for improved power efficiency
  • Wide input voltage range allows for versatile applications
  • Power good indicator for monitoring output voltage stability
  • Enable pin for easy on/off control of the converter

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption - Wide input voltage range accommodates various power sources - Low quiescent current prolongs battery life - Small package size enables compact designs

Disadvantages: - Limited maximum output current may not be suitable for high-power applications - Single output voltage limits flexibility in certain scenarios

Working Principles

The LTC3621EDCB is a step-down DC/DC converter that efficiently converts a higher input voltage to a lower output voltage. It utilizes a high-frequency switching regulator to minimize power losses and maximize efficiency. The feedback voltage (FB) pin is used to set the desired output voltage, while the enable pin (EN) allows for easy on/off control of the converter.

Detailed Application Field Plans

The LTC3621EDCB is well-suited for a wide range of applications, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Industrial equipment - Automotive systems

Detailed and Complete Alternative Models

  1. LT8610ABEMSE: Step-Down DC/DC Converter, 2.7V to 42V Input Voltage Range, 3A Maximum Output Current.
  2. LT1764EQ-1.8#TRPBF: Low Dropout Regulator, 1.8V Fixed Output Voltage, 2.5V to 20V Input Voltage Range.
  3. LT3094EST#PBF: Adjustable Linear Regulator, 1.2V to 40V Input Voltage Range, 500mA Maximum Output Current.

These alternative models offer similar functionality and can be considered as substitutes for the LTC3621EDCB in various applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LTC3621EDCB en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of LTC3621EDCB in technical solutions:

Q1: What is LTC3621EDCB? A1: LTC3621EDCB is a high-efficiency, low quiescent current synchronous buck regulator IC.

Q2: What is the input voltage range for LTC3621EDCB? A2: The input voltage range for LTC3621EDCB is typically between 2.7V and 5.5V.

Q3: What is the output voltage range for LTC3621EDCB? A3: The output voltage range for LTC3621EDCB can be set from 0.6V to VIN.

Q4: What is the maximum output current of LTC3621EDCB? A4: The maximum output current of LTC3621EDCB is typically 2A.

Q5: Does LTC3621EDCB have built-in protection features? A5: Yes, LTC3621EDCB has built-in protection features such as overvoltage protection, undervoltage lockout, and thermal shutdown.

Q6: Can LTC3621EDCB operate in a wide temperature range? A6: Yes, LTC3621EDCB can operate in a temperature range of -40°C to 125°C.

Q7: Is LTC3621EDCB suitable for battery-powered applications? A7: Yes, LTC3621EDCB is suitable for battery-powered applications due to its low quiescent current and high efficiency.

Q8: Can LTC3621EDCB be used in automotive applications? A8: Yes, LTC3621EDCB is automotive qualified and can be used in automotive applications.

Q9: Does LTC3621EDCB support adjustable frequency operation? A9: Yes, LTC3621EDCB supports adjustable frequency operation through an external resistor.

Q10: What package options are available for LTC3621EDCB? A10: LTC3621EDCB is available in a 6-lead DFN and a 6-lead TSOT-23 package.

Please note that these answers are general and may vary depending on the specific application and requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.