MIC5259-4.75YD5-TR

Product Overview

Category

The MIC5259-4.75YD5-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 MIC5259-4.75YD5-TR provides a stable output voltage.
• Low dropout voltage: It operates efficiently even when the input voltage is close to the desired output voltage.
• Low quiescent current: The regulator consumes minimal power when in standby mode.
• Thermal shutdown protection: It includes built-in protection against excessive heat.

Package

The MIC5259-4.75YD5-TR is available in a small surface-mount package, making it suitable for compact electronic devices.

Essence

The essence of this product lies in its ability to maintain a constant and reliable voltage output, ensuring the proper functioning of electronic circuits.

Packaging/Quantity

The MIC5259-4.75YD5-TR is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input voltage range: 2.5V to 16V
• Output voltage: 4.75V
• Maximum output current: 150mA
• Dropout voltage: 200mV at 100mA
• Quiescent current: 40µA (typical)
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The MIC5259-4.75YD5-TR has the following pin configuration:

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

Functional Features

• Voltage regulation: The MIC5259-4.75YD5-TR ensures a stable output voltage regardless of input voltage fluctuations.
• Low dropout voltage: It can operate efficiently even when the input voltage is only slightly higher than the desired output voltage.
• Thermal shutdown protection: The regulator includes a thermal shutdown feature that protects it from overheating.

Advantages and Disadvantages

Advantages

• Stable output voltage ensures reliable performance of electronic circuits.
• Low dropout voltage allows for efficient operation in low-power scenarios.
• Thermal shutdown protection prevents damage due to excessive heat.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Requires an external input capacitor for optimal performance.

Working Principles

The MIC5259-4.75YD5-TR utilizes a feedback mechanism to regulate the output voltage. It compares the actual output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage. The dropout voltage is minimized through the use of low-resistance pass elements.

Detailed Application Field Plans

The MIC5259-4.75YD5-TR finds application in various electronic devices, including:

1. Battery-powered devices: It ensures a stable voltage supply for portable electronics such as smartphones, tablets, and portable audio players.
2. IoT devices: The regulator can be used in Internet of Things (IoT) devices that require a reliable power source.
3. Automotive electronics: It is suitable for automotive applications where a stable voltage supply is crucial for proper functioning of various electronic systems.

Detailed and Complete Alternative Models

1. LM1117-4.75: A popular alternative with similar specifications and pin configuration.
2. LT1763-4.75: Another alternative offering low dropout voltage and high output current capability.
3. TPS73601-4.75: An alternative model with integrated thermal shutdown protection and adjustable output voltage.

(Note: This list is not exhaustive and there are several other alternative models available in the market.)

In conclusion, the MIC5259-4.75YD5-TR is a voltage regulator that provides stable output voltage, low dropout voltage, and thermal shutdown protection. It finds application in various electronic devices and has alternative models with similar features.