MIC5319-2.5BD5-TR

Product Overview

Category

The MIC5319-2.5BD5-TR belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 2.5V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 40µA (typical)
• Package Type: SOT-23-5
• Operating Temperature Range: -40°C to +125°C

Package and Quantity

The MIC5319-2.5BD5-TR is available in a SOT-23-5 package. It is typically sold in reels containing a quantity of 3000 units.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 2.5V
• Output Current: Up to 500mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 40µA (typical)
• Line Regulation: ±0.1% (typical)
• Load Regulation: ±0.3% (typical)
• Ripple Rejection: 70dB (typical)
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23-5

Pin Configuration

The MIC5319-2.5BD5-TR has a total of five pins arranged as follows:

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Pin Configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. EN (Enable) 4. FB (Feedback) 5. VOUT (Output Voltage)

Functional Features

• Low dropout voltage
• Low quiescent current
• Excellent line and load regulation
• High ripple rejection
• Thermal shutdown protection
• Short-circuit current limiting

Advantages and Disadvantages

Advantages

• Wide input voltage range
• Low dropout voltage
• Low quiescent current
• Good line and load regulation
• High ripple rejection
• Thermal shutdown protection
• Short-circuit current limiting

Disadvantages

• Limited output current capacity (up to 500mA)

Working Principles

The MIC5319-2.5BD5-TR is a voltage regulator that operates by taking an input voltage within the range of 2.7V to 5.5V and providing a regulated output voltage of 2.5V. It achieves this by utilizing a feedback mechanism that continuously adjusts the internal circuitry to maintain a stable output voltage despite variations in the input voltage or load conditions.

The device features low dropout voltage, which means it can regulate the output voltage even when the input voltage is only slightly higher than the desired output voltage. Additionally, it has a low quiescent current, ensuring minimal power consumption when the load is light.

To protect the device and the connected circuitry, the MIC5319-2.5BD5-TR includes thermal shutdown protection and short-circuit current limiting features. These safeguards prevent excessive heat buildup and limit the current in case of a short circuit, respectively.

Detailed Application Field Plans

The MIC5319-2.5BD5-TR finds applications in various electronic devices and systems where a stable and regulated voltage supply is required. Some potential application fields include:

1. Battery-powered devices: The low dropout voltage and wide input voltage range make it suitable for battery-powered devices, such as portable electronics, where the input voltage can vary depending on the battery charge level.

2. IoT (Internet of Things) devices: With its low quiescent current and small package size, the MIC5319-2.5BD5-TR is well-suited for powering IoT devices that require efficient power management and compact form factors.

3. Industrial automation: The device's wide operating temperature range and robust features make it suitable for use in industrial automation systems, where reliable voltage regulation is crucial.

4. Automotive electronics: The MIC5319-2.5BD5-TR can be used in automotive applications, such as infotainment systems or dashboard displays, where stable voltage supply is essential even in harsh operating conditions.

Detailed Alternative Models

1. LM1117-2.5: This voltage regulator offers similar specifications and pin configuration to the MIC5319-2.5BD5-TR. It is available in various package options, including SOT-223 and TO-252.

2.