XC6121E646MR-G

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Accuracy, Low Quiescent Current
• Package: SOT-23-5
• Essence: This IC is designed to regulate voltage in electronic circuits, ensuring a stable output voltage regardless of input variations.
• Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

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

Pin Configuration

The XC6121E646MR-G has a SOT-23-5 package with the following pin configuration:

┌───┐ VOUT│ │ VIN GND │ │ EN └───┘

Functional Features

• Low Dropout: The XC6121E646MR-G can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• High Accuracy: It provides precise voltage regulation with low output voltage deviation.
• Low Quiescent Current: The IC consumes minimal current when in standby mode, conserving power.
• Short Circuit Protection: The device includes built-in protection against short circuits, preventing damage to the circuitry.

Advantages and Disadvantages

Advantages: - Stable output voltage under varying input conditions - High accuracy ensures reliable performance - Low quiescent current for power efficiency - Short circuit protection enhances circuit safety

Disadvantages: - Limited output current capacity (150mA) - Restricted input voltage range (2.5V to 6.0V)

Working Principles

The XC6121E646MR-G utilizes a feedback control mechanism to regulate the output voltage. It compares the actual output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output. The dropout voltage is minimized, allowing the IC to operate even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

The XC6121E646MR-G is commonly used in various electronic devices that require stable voltage regulation. Some potential application fields include:

1. Mobile Devices: Smartphones, tablets, and portable media players benefit from the IC's low dropout and high accuracy features, ensuring consistent performance even during battery discharge.
2. IoT Devices: Internet of Things (IoT) devices often operate on low power and require precise voltage regulation. The XC6121E646MR-G is suitable for sensors, wearables, and other IoT applications.
3. Automotive Electronics: With its wide operating temperature range, the IC can be employed in automotive systems such as infotainment units, lighting controls, and engine management modules.
4. Industrial Control Systems: The XC6121E646MR-G finds use in industrial automation, robotics, and control systems where stable voltage supply is critical for reliable operation.

Detailed and Complete Alternative Models

1. XC6121E646MR-G-7: Similar to XC6121E646MR-G, but with extended operating temperature range (-40°C to +105°C).
2. XC6121E646MR-G-3.3: Variant with fixed output voltage of 3.3V.
3. XC6121E646MR-G-ADJ: Adjustable output voltage version, allowing users to set the desired output voltage within a specified range.

These alternative models provide flexibility in meeting specific application requirements while maintaining similar characteristics and pin configuration.

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