XC6121A426MR-G

Product Overview

Category

XC6121A426MR-G belongs to the category of voltage regulators.

Use

It is used to regulate and stabilize the voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 4.26V
• Maximum Output Current: 150mA
• Low Dropout Voltage: 200mV (at 100mA)
• Package Type: SOT-23-5
• Operating Temperature Range: -40°C to +85°C

Packaging/Quantity

XC6121A426MR-G is typically packaged in reels or tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 4.26V ±2%
• Output Current: Up to 150mA
• Dropout Voltage: 200mV (at 100mA)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.3% (typical)
• Quiescent Current: 50µA (typical)
• Ripple Rejection Ratio: 70dB (typical)
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23-5

Pin Configuration

The XC6121A426MR-G has the following pin configuration:

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

Functional Features

• Low dropout voltage for efficient voltage regulation.
• Wide input voltage range allows for versatile applications.
• Stable output voltage with low ripple and noise.
• Built-in overcurrent protection.
• Thermal shutdown protection to prevent overheating.

Advantages

• Compact SOT-23-5 package for space-constrained designs.
• Low quiescent current for power-saving applications.
• Excellent line and load regulation for stable performance.
• Wide operating temperature range for various environments.
• Easy to integrate into existing circuits.

Disadvantages

• Limited maximum output current of 150mA.
• No adjustable output voltage option.
• NC pin may require additional attention during circuit design.

Working Principles

The XC6121A426MR-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, adjusting the pass transistor accordingly to maintain a stable output voltage. The dropout voltage is minimized to ensure efficient voltage regulation even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

The XC6121A426MR-G can be used in various electronic devices and systems, including but not limited to:

1. Battery-powered devices: Provides stable voltage supply for portable electronics such as smartphones, tablets, and wearable devices.
2. Industrial control systems: Ensures reliable voltage regulation in automation equipment, sensors, and control modules.
3. Automotive electronics: Used in automotive applications like infotainment systems, lighting controls, and engine management systems.
4. IoT devices: Enables efficient power management in Internet of Things (IoT) devices, such as smart home devices and wireless sensors.
5. Medical devices: Provides regulated voltage for medical instruments, patient monitoring systems, and implantable devices.

Detailed and Complete Alternative Models

1. XC6121A426MR-G-7: Similar to XC6121A426MR-G, but with an extended operating temperature range of -40°C to +105°C.
2. XC6121A426MR-G-3.3: Provides an output voltage of 3.3V instead of 4.26V.
3. XC6121A426MR-G-ADJ: Adjustable output voltage version, allowing for a user-defined output voltage within a specified range.

These alternative models offer flexibility in voltage requirements and operating conditions, catering to different application needs.

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