MXD1811XR46+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High precision, low dropout voltage, small package size
• Package: XR46+T (SOT-23-5)
• Essence: This IC is designed to regulate voltage in electronic circuits with high precision and low dropout voltage. It comes in a small SOT-23-5 package, making it suitable for space-constrained applications.
• Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Output Current: Up to 150mA
• Dropout Voltage: 200mV at 100mA load
• Quiescent Current: 50µA typical
• Line Regulation: ±0.05% typical
• Load Regulation: ±0.1% typical
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MXD1811XR46+T has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin (active high)
4. VOUT: Output voltage pin
5. BYP: Bypass capacitor pin

Functional Features

• High precision voltage regulation
• Low dropout voltage
• Enable pin for easy control of power supply
• Thermal shutdown protection
• Short-circuit current limiting
• Low quiescent current for power-saving applications

Advantages and Disadvantages

Advantages

• High precision voltage regulation ensures stable and accurate output voltage.
• Low dropout voltage allows for efficient power conversion.
• Small package size makes it suitable for space-constrained applications.
• Enable pin provides flexibility in controlling the power supply.
• Thermal shutdown protection and short-circuit current limiting enhance safety and reliability.

Disadvantages

• Limited output current capacity (up to 150mA).
• Input voltage range is relatively narrow (2.5V to 6.5V).

Working Principles

The MXD1811XR46+T operates as a linear voltage regulator. It takes an input voltage within the specified range and regulates it to a precise output voltage. The enable pin allows the user to control the power supply by enabling or disabling the regulator. The IC incorporates thermal shutdown protection and short-circuit current limiting to ensure safe operation.

Detailed Application Field Plans

The MXD1811XR46+T can be used in various electronic devices and systems, including:

1. Battery-powered devices: Provides stable voltage regulation for portable electronics such as smartphones, tablets, and wearable devices.
2. IoT devices: Suitable for low-power IoT applications that require efficient power conversion and small form factor.
3. Automotive electronics: Can be used in automotive systems like infotainment systems, lighting controls, and sensors.
4. Industrial equipment: Enables precise voltage regulation in industrial automation, control systems, and instrumentation.
5. Medical devices: Ideal for medical equipment that requires high precision voltage regulation and compact design.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and package size.
2. MCP1700-3302E/TO: Another alternative with comparable performance and package options.
3. TPS78233DDCR: Offers higher output current and wider input voltage range.

These alternative models provide similar functionality and can be considered based on specific application requirements.

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