XC6121C440ER-G

Product Overview

Category

XC6121C440ER-G belongs to the category of voltage regulators.

Use

It is commonly used for voltage regulation in electronic circuits.

Characteristics

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 4.4V
• Maximum Output Current: 150mA
• Low Dropout Voltage: 200mV (at 100mA)
• Low Quiescent Current: 30µA (typical)
• Package Type: SOT-23-5
• Operating Temperature Range: -40°C to +85°C

Package and Quantity

XC6121C440ER-G is available in a SOT-23-5 package. It is typically sold in reels containing a certain quantity, depending on the supplier.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 4.4V ±2%
• Output Current: Up to 150mA
• Dropout Voltage: 200mV (at 100mA)
• Quiescent Current: 30µA (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.3% (typical)
• Ripple Rejection Ratio: 70dB (typical)
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23-5

Pin Configuration

The XC6121C440ER-G has the following pin configuration:

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

Functional Features

• Low dropout voltage ensures efficient voltage regulation even with small input-output differentials.
• Low quiescent current minimizes power consumption in standby or idle modes.
• Wide input voltage range allows for flexibility in various applications.
• Good line and load regulation characteristics ensure stable output voltage under varying conditions.
• Excellent ripple rejection ratio reduces the impact of noise on the output voltage.

Advantages and Disadvantages

Advantages

• Compact SOT-23-5 package for space-constrained designs.
• Wide input voltage range provides versatility.
• Low dropout voltage and quiescent current enhance efficiency.
• Good line and load regulation characteristics ensure stable output voltage.

Disadvantages

• Maximum output current limited to 150mA, which may not be sufficient for high-power applications.
• No connection (NC) pin may require additional attention during PCB layout.

Working Principles

The XC6121C440ER-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 from a voltage divider network connected to the output. The error amplifier adjusts the pass transistor to maintain the desired output voltage, compensating for changes in input voltage and load conditions.

Detailed Application Field Plans

XC6121C440ER-G finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Medical equipment - Communication devices

Alternative Models

Some alternative models that can be considered as replacements for XC6121C440ER-G include: - XC6121C440MR-G - XC6121C440NR-G - XC6121C440PR-G - XC6121C440SR-G

These models have similar specifications and functionality, providing options for different package types or additional features.

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