XC6121C638ER-G

Product Overview

Category

XC6121C638ER-G belongs to the category of voltage regulators.

Use

It is commonly used for regulating voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 100mA
• Low Dropout Voltage: 160mV at 100mA
• Low Quiescent Current: 30µA (typical)
• Package Type: SOT-23-5
• Operating Temperature Range: -40°C to +85°C

Package and Quantity

XC6121C638ER-G is available in a SOT-23-5 package. It is typically sold in reels containing a specified quantity of units.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 0.8V to 5.5V
• Output Current: Up to 100mA
• Dropout Voltage: 160mV at 100mA
• Quiescent Current: 30µA (typical)
• Line Regulation: ±0.3% (typical)
• Load Regulation: ±0.5% (typical)
• Ripple Rejection Ratio: 70dB (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The XC6121C638ER-G has five pins arranged as follows:

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

Functional Features

• Low dropout voltage for efficient voltage regulation.
• Wide input voltage range allows for versatile applications.
• Low quiescent current ensures minimal power consumption.
• Good line and load regulation for stable output voltage.

Advantages

• Compact SOT-23-5 package for space-constrained designs.
• Wide operating temperature range for various environments.
• Low dropout voltage minimizes power dissipation.
• Excellent ripple rejection ratio for noise-sensitive applications.

Disadvantages

• Limited maximum output current of 100mA.
• No connection pin (NC) may require additional attention during PCB layout.

Working Principles

The XC6121C638ER-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.

Detailed Application Field Plans

XC6121C638ER-G finds applications in various electronic devices, including but not limited to: - Portable consumer electronics - Battery-powered devices - IoT devices - Industrial control systems - Automotive electronics

Detailed Alternative Models

• XC6121C638ER-G can be replaced with XC6121C638MR-G, which offers similar specifications and features.
• Another alternative is XC6121C638NR-G, which provides the same functionality with slight variations in package type and pin configuration.

In conclusion, XC6121C638ER-G is a voltage regulator with a wide input voltage range, low dropout voltage, and compact package. It is suitable for various applications in different industries. However, its limited maximum output current and the presence of a no connection pin should be considered during design.