XC6121A635MR-G

Product Overview

Category

XC6121A635MR-G belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• Package: The XC6121A635MR-G comes in a small SOT-25 package.
• Essence: This voltage regulator is designed to provide stable and reliable voltage output.
• Packaging/Quantity: It is typically sold in reels or tubes, with a quantity of 3000 units per reel.

Specifications

The specifications of XC6121A635MR-G are as follows:

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage: 3.3V
• Output Current: 150mA
• Dropout Voltage: 200mV (at 100mA)
• Quiescent Current: 40µA (typical)

Detailed Pin Configuration

The XC6121A635MR-G has three pins:

1. VIN (Input Voltage): This pin is connected to the input voltage source.
2. VOUT (Output Voltage): This pin provides the regulated output voltage.
3. GND (Ground): This pin is connected to the ground reference.

Functional Features

The XC6121A635MR-G offers the following functional features:

• Low dropout voltage: The regulator maintains a stable output voltage even when the input voltage is close to the desired output voltage.
• Low quiescent current: It consumes minimal current when there is no load, resulting in improved energy efficiency.
• Overcurrent protection: The device includes built-in protection against excessive current flow, safeguarding the circuitry.
• Thermal shutdown: In case of excessive temperature, the regulator automatically shuts down to prevent damage.

Advantages and Disadvantages

Advantages: - Compact size and lightweight design - Wide input voltage range - Low dropout voltage - Overcurrent protection

Disadvantages: - Limited output current capacity - Sensitive to excessive heat

Working Principles

The XC6121A635MR-G operates based on the principle of a linear voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The internal circuitry compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The XC6121A635MR-G is commonly used in various electronic applications, including but not limited to:

1. Battery-powered devices: It can be utilized in portable electronic devices such as smartphones, tablets, and wearable devices.
2. IoT (Internet of Things) devices: The voltage regulator is suitable for low-power IoT devices that require stable voltage supply.
3. Automotive electronics: It finds application in automotive systems, providing regulated voltage for sensors, actuators, and control modules.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to XC6121A635MR-G are:

1. LM1117-3.3: A popular voltage regulator with a fixed 3.3V output voltage.
2. MCP1700-3302E/TO: Another voltage regulator with a 3.3V output voltage and low quiescent current.
3. AMS1117-3.3: A cost-effective voltage regulator with a 3.3V output and thermal shutdown protection.

These alternative models can be considered based on specific requirements and availability.

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