MIC5203-4.7BM4 TR

Product Overview

Category

MIC5203-4.7BM4 TR belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize voltage levels.

Characteristics

• Voltage regulation: The MIC5203-4.7BM4 TR provides a stable output voltage, ensuring consistent performance of connected devices.
• Low dropout voltage: It operates with a low dropout voltage, minimizing power dissipation and maximizing efficiency.
• Low quiescent current: The regulator consumes minimal current when in standby mode, conserving energy.
• Thermal shutdown protection: It incorporates thermal shutdown circuitry to prevent damage due to excessive heat.
• Short-circuit protection: The device is equipped with short-circuit protection, safeguarding against potential damage caused by short circuits.

Package

The MIC5203-4.7BM4 TR is available in a small surface-mount SOT-23 package, which allows for easy integration into compact electronic designs.

Essence

The essence of MIC5203-4.7BM4 TR lies in its ability to provide stable and regulated voltage output, ensuring reliable operation of electronic devices.

Packaging/Quantity

This product 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 16V
• Output Voltage: 4.7V
• Output Current: Up to 150mA
• Dropout Voltage: 20mV (typical)
• Quiescent Current: 35µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC5203-4.7BM4 TR has three pins:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground pin.
3. VOUT (Pin 3): Output voltage pin.

Functional Features

• Voltage Regulation: The MIC5203-4.7BM4 TR maintains a constant output voltage of 4.7V, regardless of input voltage fluctuations.
• Low Dropout Voltage: It operates with a low dropout voltage, ensuring efficient power conversion even when the input voltage is close to the output voltage.
• Low Quiescent Current: The regulator consumes minimal current in standby mode, reducing power consumption and extending battery life.
• Thermal Shutdown Protection: The device incorporates thermal shutdown circuitry, which activates when the temperature exceeds a safe threshold, preventing damage due to overheating.
• Short-Circuit Protection: The regulator is equipped with short-circuit protection, automatically shutting down in case of a short circuit to protect both the regulator and connected devices.

Advantages and Disadvantages

Advantages

• Stable and regulated output voltage.
• Low dropout voltage for efficient power conversion.
• Low quiescent current for reduced power consumption.
• Thermal shutdown protection prevents overheating.
• Short-circuit protection safeguards against potential damage.

Disadvantages

• Limited output current capacity (up to 150mA).
• Requires external components for proper operation.

Working Principles

The MIC5203-4.7BM4 TR is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage of 4.7V. The regulator operates by dissipating excess voltage as heat, resulting in a low dropout voltage.

Detailed Application Field Plans

The MIC5203-4.7BM4 TR finds applications in various electronic systems where a stable and regulated voltage supply is required. Some common application fields include:

1. Battery-powered devices: Portable electronic devices, such as smartphones, tablets, and portable audio players, benefit from the stable voltage supply provided by the regulator.
2. Industrial control systems: The regulator ensures consistent voltage levels in industrial control systems, preventing damage to sensitive components.
3. Automotive electronics: It is used in automotive applications to regulate voltage for various electronic components, including infotainment systems, sensors, and lighting systems.
4. IoT devices: Internet of Things (IoT) devices often require a stable power supply, making the MIC5203-4.7BM4 TR suitable for applications in this field.

Detailed and Complete Alternative Models

1. LM1117-4.7: This voltage regulator offers similar specifications and features to the MIC5203-4.7BM4 TR, with a 4.7V output voltage and a maximum output current of 800mA.
2. LT1763-4.7: This low dropout voltage regulator provides a 4.7V output voltage and can handle an output current of up to 500mA.
3. MCP1700-4.7: With a 4.7V output voltage and a