MIC5201-5.0BS

Product Overview

Category

MIC5201-5.0BS belongs to the category of voltage regulators.

Use

The MIC5201-5.0BS is used to regulate voltage in electronic circuits.

Characteristics

• Package: The MIC5201-5.0BS comes in a small surface-mount SOT-23 package.
• Essence: It is a low-dropout (LDO) voltage regulator.
• Packaging/Quantity: The product is typically sold in reels or tubes, with a quantity of 3000 units per reel.

Specifications

The specifications of MIC5201-5.0BS are as follows:

• Output Voltage: 5.0V
• Input Voltage Range: 2.3V to 16V
• Dropout Voltage: 120mV at 100mA load current
• Quiescent Current: 35µA
• Load Regulation: ±0.4%
• Line Regulation: ±0.2%
• Thermal Shutdown Protection: Yes
• Short Circuit Current Limit: 150mA

Pin Configuration

The MIC5201-5.0BS has three pins:

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

Functional Features

The functional features of MIC5201-5.0BS include:

• Low dropout voltage: The regulator maintains a stable output voltage even when the input voltage is close to the desired output voltage.
• Low quiescent current: The device consumes minimal current when there is no load, making it suitable for battery-powered applications.
• Thermal shutdown protection: The regulator shuts down if the temperature exceeds a safe limit, preventing damage to the device.
• Short circuit protection: The device limits the current in case of a short circuit, protecting the circuitry.

Advantages and Disadvantages

Advantages

• Stable output voltage even with low input voltage.
• Low quiescent current for power-saving applications.
• Thermal shutdown protection prevents overheating.
• Short circuit protection safeguards the circuit.

Disadvantages

• Limited maximum output current (150mA).
• Requires external capacitors for stability.

Working Principles

The MIC5201-5.0BS 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 and adjusting the pass transistor accordingly. The dropout voltage is minimized by using a PNP pass transistor.

Application Field Plans

The MIC5201-5.0BS can be used in various applications, including:

1. Battery-powered devices: It is suitable for portable electronic devices that require stable voltage regulation.
2. Embedded systems: The regulator can be used in microcontroller-based systems to provide a reliable power source.
3. Communication equipment: It can be utilized in communication devices to ensure consistent voltage levels.

Alternative Models

Some alternative models to MIC5201-5.0BS include:

1. LM1117-5.0: A popular 5V LDO voltage regulator with similar specifications.
2. MCP1700-500: Another 5V LDO regulator with low quiescent current.
3. LT1763-5.0: A high-performance 5V LDO regulator with low dropout voltage.

These alternative models offer similar functionality and can be considered as substitutes for MIC5201-5.0BS.

In conclusion, the MIC5201-5.0BS is a voltage regulator that provides stable output voltage with low dropout and quiescent current. It offers thermal and short circuit protection, making it suitable for various applications in different fields.