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SI7457DP-T1-E3
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SI7457DP-T1-E3

Product Overview

Category: Power Management IC
Use: Voltage Regulator
Characteristics: High efficiency, low dropout voltage, small package size
Package: DFN-10
Essence: Regulates input voltage to a stable output voltage
Packaging/Quantity: Tape & Reel / 3000 units

Specifications

  • Input Voltage Range: 2.5V to 5.5V
  • Output Voltage: 1.8V to 3.3V
  • Maximum Output Current: 500mA
  • Dropout Voltage: 200mV at 100mA
  • Quiescent Current: 75µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. EN (Enable)
  4. NC (No Connection)
  5. VOUT (Output Voltage)
  6. VOUT (Output Voltage)
  7. NC (No Connection)
  8. NC (No Connection)
  9. NC (No Connection)
  10. PG (Power Good)

Functional Features

  • Low dropout voltage for extended battery life
  • Thermal shutdown and current limit protection
  • Power good indicator for system monitoring
  • Small package size for space-constrained applications

Advantages and Disadvantages

Advantages: - High efficiency - Wide input voltage range - Power good indicator for system reliability

Disadvantages: - Limited maximum output current

Working Principles

The SI7457DP-T1-E3 is a voltage regulator that maintains a stable output voltage regardless of variations in the input voltage or load. It achieves this by using feedback control to adjust the output voltage based on the comparison between a reference voltage and the actual output voltage.

Detailed Application Field Plans

The SI7457DP-T1-E3 is suitable for various battery-powered applications such as portable devices, IoT devices, and handheld instruments. Its low dropout voltage and high efficiency make it ideal for prolonging battery life in these applications.

Detailed and Complete Alternative Models

  1. SI7469DP-T1-GE3: Similar specifications with higher maximum output current
  2. SI3402-B-GM: Buck-boost voltage regulator for wider input voltage range

This completes the English editing encyclopedia entry structure format for SI7457DP-T1-E3.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SI7457DP-T1-E3 en soluciones técnicas

  1. What is the maximum input voltage for SI7457DP-T1-E3?

    • The maximum input voltage for SI7457DP-T1-E3 is 20V.

  2. What is the typical on-resistance of SI7457DP-T1-E3?

    • The typical on-resistance of SI7457DP-T1-E3 is 12mΩ.

  3. Can SI7457DP-T1-E3 be used in automotive applications?

    • Yes, SI7457DP-T1-E3 is suitable for automotive applications.

  4. What is the maximum continuous drain current for SI7457DP-T1-E3?

    • The maximum continuous drain current for SI7457DP-T1-E3 is 42A.

  5. Does SI7457DP-T1-E3 have over-temperature protection?

    • Yes, SI7457DP-T1-E3 features over-temperature protection.

  6. What is the operating temperature range of SI7457DP-T1-E3?

    • The operating temperature range of SI7457DP-T1-E3 is -55°C to 150°C.

  7. Is SI7457DP-T1-E3 RoHS compliant?

    • Yes, SI7457DP-T1-E3 is RoHS compliant.

  8. What is the package type of SI7457DP-T1-E3?

    • SI7457DP-T1-E3 comes in a PowerPAK® SO-8 package.

  9. Does SI7457DP-T1-E3 require an external gate driver?

    • No, SI7457DP-T1-E3 does not require an external gate driver.

  10. What is the typical turn-on time of SI7457DP-T1-E3?

    • The typical turn-on time of SI7457DP-T1-E3 is 15ns.