Semtech Corporation
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SC621ULTRT
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SC621ULTRT

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - Low Dropout Voltage Regulator - Ultra-Low Quiescent Current - High Output Current Capability - Small Package Size - Wide Input Voltage Range

Package: SOT-23-5

Essence: SC621ULTRT is a low dropout voltage regulator designed for power management applications. It provides a stable output voltage with minimal power dissipation.

Packaging/Quantity: SC621ULTRT is available in tape and reel packaging, with 3000 units per reel.

Specifications

  • Input Voltage Range: 2.5V to 6.5V
  • Output Voltage Range: 1.2V to 5.5V
  • Dropout Voltage: 200mV at 100mA
  • Quiescent Current: 1.5µA (typical)
  • Output Current: Up to 150mA
  • Line Regulation: ±0.2% (typical)
  • Load Regulation: ±0.4% (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

SC621ULTRT has a SOT-23-5 package with the following pin configuration:

  1. GND (Ground)
  2. VIN (Input Voltage)
  3. EN (Enable)
  4. VOUT (Output Voltage)
  5. BYP (Bypass Capacitor)

Functional Features

  • Low dropout voltage allows operation with small input-output voltage differentials.
  • Ultra-low quiescent current minimizes power consumption during standby or idle modes.
  • High output current capability enables driving various loads.
  • Excellent line and load regulation ensures stable output voltage under varying conditions.
  • Thermal shutdown and current limit protection features enhance device reliability.

Advantages

  • Compact package size makes it suitable for space-constrained applications.
  • Wide input voltage range allows compatibility with different power sources.
  • Low dropout voltage minimizes power dissipation and extends battery life.
  • Ultra-low quiescent current reduces standby power consumption.
  • High output current capability enables driving power-hungry components.

Disadvantages

  • Limited output current may not be sufficient for high-power applications.
  • SOT-23-5 package may require additional thermal management for certain operating conditions.
  • Lack of adjustable output voltage limits flexibility in some applications.

Working Principles

SC621ULTRT is a linear voltage regulator that regulates the output voltage by adjusting the resistance between the input and output terminals. It uses a pass transistor to control the voltage drop across the regulator, ensuring a stable output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

SC621ULTRT can be used in various applications, including but not limited to: 1. Battery-powered devices 2. Portable electronics 3. IoT (Internet of Things) devices 4. Wearable devices 5. Automotive electronics 6. Industrial control systems

Detailed and Complete Alternative Models

  1. SC623ULTRT: Similar specifications with an adjustable output voltage feature.
  2. SC622ULTRT: Higher output current capability with a slightly larger package size.
  3. SC620ULTRT: Lower output current capability with a smaller package size.

These alternative models provide options based on specific application requirements and design constraints.

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Enumerați 10 întrebări și răspunsuri comune legate de aplicarea lui SC621ULTRT în soluțiile tehnice

Sure! Here are 10 common questions and answers related to the application of SC621ULTRT in technical solutions:

  1. Q: What is SC621ULTRT? A: SC621ULTRT is a specific model of a power management integrated circuit (PMIC) designed for use in various technical solutions.

  2. Q: What are the key features of SC621ULTRT? A: Some key features of SC621ULTRT include high efficiency, low quiescent current, multiple voltage outputs, and protection mechanisms.

  3. Q: What technical solutions can SC621ULTRT be used in? A: SC621ULTRT can be used in a wide range of applications, including portable devices, IoT devices, industrial equipment, and automotive systems.

  4. Q: How does SC621ULTRT help in power management? A: SC621ULTRT provides efficient power conversion, regulation, and distribution capabilities, ensuring stable and reliable power supply to various components in a system.

  5. Q: Can SC621ULTRT handle different input voltages? A: Yes, SC621ULTRT supports a wide input voltage range, allowing it to work with different power sources or batteries.

  6. Q: Does SC621ULTRT offer any protection features? A: Yes, SC621ULTRT incorporates protection features such as overvoltage protection, undervoltage lockout, thermal shutdown, and short-circuit protection.

  7. Q: Is SC621ULTRT easy to integrate into existing designs? A: Yes, SC621ULTRT comes in a compact package and offers a simple interface, making it relatively easy to integrate into existing designs.

  8. Q: Can SC621ULTRT operate in harsh environments? A: Yes, SC621ULTRT is designed to operate reliably in a wide temperature range and can withstand certain levels of vibration and humidity.

  9. Q: Are there any evaluation tools available for SC621ULTRT? A: Yes, the manufacturer provides evaluation boards and software tools to help engineers assess the performance and functionality of SC621ULTRT.

  10. Q: Where can I find more detailed information about SC621ULTRT? A: You can refer to the datasheet, application notes, and technical documentation provided by the manufacturer for comprehensive information on SC621ULTRT.