Torex Semiconductor Ltd
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XC6121A720MR-G
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XC6121A720MR-G

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: Low dropout, high accuracy, low quiescent current
  • Package: SOT-23-5
  • Essence: Linear voltage regulator
  • Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

  • Input Voltage Range: 2.5V to 6.0V
  • Output Voltage Range: 1.2V to 5.5V
  • Dropout Voltage: 200mV (typical)
  • Quiescent Current: 30µA (typical)
  • Output Current: 150mA (maximum)
  • Line Regulation: ±0.05% (typical)
  • Load Regulation: ±0.3% (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The XC6121A720MR-G has a SOT-23-5 package with the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. NC: No connection pin
  4. EN: Enable pin
  5. VOUT: Output voltage pin

Functional Features

  • Low dropout voltage ensures stable output even with small input-output differentials.
  • High accuracy provides precise voltage regulation for sensitive applications.
  • Low quiescent current minimizes power consumption in standby mode.
  • Enable pin allows for easy on/off control of the regulator.

Advantages and Disadvantages

Advantages: - Compact SOT-23-5 package saves board space. - Wide input voltage range enables versatile applications. - Excellent line and load regulation ensures stable output under varying conditions.

Disadvantages: - Limited output current may not be suitable for high-power applications. - SOT-23-5 package may require additional heat dissipation measures for high ambient temperatures.

Working Principles

The XC6121A720MR-G is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage and adjusting the pass transistor accordingly. This feedback loop ensures a stable output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The XC6121A720MR-G is commonly used in various electronic devices, including:

  1. Battery-powered portable devices: Provides regulated voltage for microcontrollers, sensors, and other low-power components.
  2. Consumer electronics: Used in audio/video equipment, cameras, and handheld devices.
  3. Industrial applications: Suitable for industrial control systems, instrumentation, and data acquisition devices.
  4. Automotive electronics: Can be employed in automotive modules, infotainment systems, and lighting controls.

Detailed and Complete Alternative Models

  1. XC6121A720MR-G-7: Same specifications as XC6121A720MR-G, but with a different package (SOT-89-5).
  2. XC6121A720MR-G-3.3: Variant with fixed output voltage of 3.3V.
  3. XC6121A720MR-G-ADJ: Adjustable output voltage version with external resistors for voltage selection.

These alternative models provide flexibility in terms of package options and fixed or adjustable output voltages.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi XC6121A720MR-G dalam penyelesaian teknikal

  1. What is the typical input voltage range for XC6121A720MR-G?
    - The typical input voltage range for XC6121A720MR-G is 0.9V to 6.0V.

  2. What is the maximum output current of XC6121A720MR-G?
    - The maximum output current of XC6121A720MR-G is 200mA.

  3. Can XC6121A720MR-G be used in battery-powered applications?
    - Yes, XC6121A720MR-G can be used in battery-powered applications due to its low quiescent current.

  4. What is the dropout voltage of XC6121A720MR-G?
    - The dropout voltage of XC6121A720MR-G is typically 160mV at 100mA load.

  5. Is XC6121A720MR-G suitable for space-constrained designs?
    - Yes, XC6121A720MR-G is available in a small USP-4 package, making it suitable for space-constrained designs.

  6. Does XC6121A720MR-G have built-in overcurrent protection?
    - Yes, XC6121A720MR-G features built-in overcurrent protection to safeguard the circuit and load.

  7. Can XC6121A720MR-G operate in harsh environmental conditions?
    - Yes, XC6121A720MR-G has a wide operating temperature range of -40°C to 85°C, making it suitable for harsh environmental conditions.

  8. What are the typical applications for XC6121A720MR-G?
    - Typical applications for XC6121A720MR-G include portable devices, IoT devices, and power management in consumer electronics.

  9. Does XC6121A720MR-G require external capacitors for stability?
    - No, XC6121A720MR-G is stable without the need for external capacitors, simplifying the design process.

  10. Is XC6121A720MR-G RoHS compliant?
    - Yes, XC6121A720MR-G is RoHS compliant, meeting environmental regulations for lead-free manufacturing.