Torex Semiconductor Ltd
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XC6121A721ER-G
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XC6121A721ER-G

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: Low Dropout, Low Quiescent Current
  • Package: SOT-23-5
  • Essence: Regulates voltage with low power consumption
  • Packaging/Quantity: Tape and Reel, 3000 units 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)
  • Maximum Output Current: 150mA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The XC6121A721ER-G has a SOT-23-5 package with the following pin configuration:

  1. VIN: Input Voltage
  2. GND: Ground
  3. EN: Enable Pin
  4. NC: No Connection
  5. VOUT: Output Voltage

Functional Features

  • Low dropout voltage ensures stable output even with small input-output voltage differentials.
  • Low quiescent current minimizes power consumption in standby mode.
  • Enable pin allows for easy control of the regulator's operation.

Advantages and Disadvantages

Advantages: - Low dropout voltage enables efficient regulation even with low input voltages. - Low quiescent current extends battery life in portable applications. - Small package size makes it suitable for space-constrained designs.

Disadvantages: - Limited maximum output current may not be sufficient for high-power applications. - Lack of adjustable output voltage limits flexibility in certain designs.

Working Principles

The XC6121A721ER-G is a linear voltage regulator that uses a PNP transistor as the pass element. It regulates the output voltage by adjusting the resistance between the input and output terminals. When the input voltage is higher than the desired output voltage, the pass element conducts and maintains a stable output voltage. The enable pin allows for easy control of the regulator's operation, enabling power-saving modes when not required.

Detailed Application Field Plans

The XC6121A721ER-G is commonly used in various electronic devices that require stable voltage regulation, such as:

  1. Battery-powered portable devices: Ensures consistent power supply to microcontrollers, sensors, and other components.
  2. IoT devices: Provides reliable voltage regulation for wireless communication modules, sensors, and actuators.
  3. Automotive electronics: Regulates voltage for infotainment systems, lighting controls, and engine management units.
  4. Industrial automation: Maintains stable power supply for PLCs, motor drives, and control systems.
  5. Consumer electronics: Used in smartphones, tablets, and wearable devices to regulate power for various subsystems.

Detailed and Complete Alternative Models

  1. XC6206P332MR-G: Low dropout voltage regulator with adjustable output voltage.
  2. XC6220B331MR-G: Ultra-low quiescent current regulator with fixed output voltage.
  3. XC6219B331MR-G: High-output current regulator with low dropout voltage.
  4. XC6221A721MR-G: Voltage regulator with integrated overcurrent protection.

These alternative models offer similar functionality to the XC6121A721ER-G but may have different specifications or package options to suit specific design requirements.

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技術ソリューションにおける XC6121A721ER-G の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of XC6121A721ER-G in technical solutions:

1. What is XC6121A721ER-G? - XC6121A721ER-G is a voltage detector IC (integrated circuit) manufactured by Torex Semiconductor. It is designed to monitor the voltage level of a power supply and provide an output signal when the voltage falls below a certain threshold.

2. What is the operating voltage range of XC6121A721ER-G? - The operating voltage range of XC6121A721ER-G is typically between 0.8V and 6.0V.

3. How does XC6121A721ER-G work? - XC6121A721ER-G works by comparing the input voltage with a reference voltage. When the input voltage drops below the reference voltage, the output pin of the IC becomes active, indicating a low voltage condition.

4. What is the output type of XC6121A721ER-G? - XC6121A721ER-G has an open-drain output type, which means it can sink current but cannot source current. An external pull-up resistor is required to pull the output voltage high.

5. What is the typical quiescent current of XC6121A721ER-G? - The typical quiescent current of XC6121A721ER-G is around 1.0µA, making it suitable for low-power applications.

6. Can XC6121A721ER-G be used in battery-powered devices? - Yes, XC6121A721ER-G is well-suited for battery-powered devices due to its low quiescent current and wide operating voltage range.

7. What is the accuracy of the voltage detection threshold in XC6121A721ER-G? - The accuracy of the voltage detection threshold in XC6121A721ER-G is typically ±1.5%.

8. Can XC6121A721ER-G be used for overvoltage protection? - No, XC6121A721ER-G is specifically designed for undervoltage detection and does not provide overvoltage protection.

9. What is the maximum operating temperature range of XC6121A721ER-G? - The maximum operating temperature range of XC6121A721ER-G is typically between -40°C and +85°C.

10. Is XC6121A721ER-G available in different package options? - Yes, XC6121A721ER-G is available in a SOT-25 package, which is a small surface-mount package with 5 pins.