XC6121D436MR-G

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Quiescent Current
• Package: SOT-23-5
• Essence: Linear Voltage Regulator
• Packaging/Quantity: Tape and Reel, 3000 pieces 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

Detailed Pin Configuration

The XC6121D436MR-G is a 5-pin device with the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. NC: No connection pin
5. VOUT: Output voltage pin

Functional Features

• Low dropout voltage ensures stable output even with low input voltage.
• Low quiescent current minimizes power consumption in standby mode.
• Built-in overcurrent protection safeguards the circuit from excessive current.
• Thermal shutdown feature prevents overheating of the IC.

Advantages and Disadvantages

Advantages

• Compact SOT-23-5 package allows for space-saving designs.
• Wide input voltage range enables compatibility with various power sources.
• Low dropout voltage ensures efficient regulation even with small voltage differentials.
• Low quiescent current prolongs battery life in portable applications.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• The absence of adjustable output voltage restricts flexibility in certain designs.

Working Principles

The XC6121D436MR-G is a linear voltage regulator that maintains a stable output voltage regardless of input voltage fluctuations. It utilizes a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The dropout voltage is minimized to ensure efficient regulation even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

The XC6121D436MR-G is commonly used in various electronic devices, including:

1. Battery-powered portable devices: Provides regulated power supply for microcontrollers, sensors, and other low-power components.
2. Consumer electronics: Used in audio/video equipment, cameras, and handheld devices to ensure stable operation.
3. Automotive applications: Suitable for powering infotainment systems, dashboard displays, and control modules.
4. Industrial automation: Provides reliable voltage regulation for sensors, actuators, and control circuits.

Detailed and Complete Alternative Models

• XC6121D436MR-G is part of the XC6121 series from Torex Semiconductor. Other models within the series include:
  • XC6121C436MR-G: Similar specifications but with a different package (SOT-89-5).
  • XC6121D536MR-G: Higher output current (300mA) with the same package as XC6121D436MR-G.
  • XC6121E436MR-G: Lower quiescent current (10µA) with the same package as XC6121D436MR-G.

In conclusion, the XC6121D436MR-G is a voltage regulator IC with low dropout and low quiescent current characteristics. Its compact package, wide input voltage range, and efficient regulation make it suitable for various applications. However, its limited output current and fixed output voltage may restrict its use in high-power or adjustable voltage designs.