MIC5239-1.5YM-TR

Product Overview

Category

MIC5239-1.5YM-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 MIC5239-1.5YM-TR provides a stable output voltage of 1.5V.
• 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 mechanisms to prevent overheating.

Package

The MIC5239-1.5YM-TR comes in a compact surface-mount package, making it suitable for space-constrained applications.

Essence

This voltage regulator ensures a reliable and steady power supply to various electronic devices.

Packaging/Quantity

The product is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of regulators.

Specifications

• Input Voltage Range: 2.5V - 16V
• Output Voltage: 1.5V
• Maximum Output Current: 150mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 120µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC5239-1.5YM-TR has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. BYP: Bypass capacitor pin (optional)

Functional Features

• Voltage Regulation: The MIC5239-1.5YM-TR maintains a constant output voltage regardless of variations in the input voltage or load conditions.
• 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, ensuring its longevity and reliability.
• Short Circuit Protection: The device is equipped with short circuit protection to safeguard against excessive current flow.

Advantages and Disadvantages

Advantages

• Stable and precise voltage regulation
• Low dropout voltage ensures efficient operation
• Compact package suitable for space-constrained applications
• Thermal shutdown protection prevents overheating

Disadvantages

• Limited maximum output current (150mA)
• Requires external bypass capacitor for optimal performance

Working Principles

The MIC5239-1.5YM-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 accordingly to maintain a stable output. The dropout voltage is minimized by employing low-resistance pass elements. In case of excessive temperature rise, the thermal shutdown protection activates, disabling the regulator until the temperature returns to a safe range.

Detailed Application Field Plans

The MIC5239-1.5YM-TR finds application in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable audio players - Wireless communication modules - Microcontrollers and embedded systems - Automotive electronics

Detailed and Complete Alternative Models

1. LM1117-1.5V: A popular alternative with similar specifications and features.
2. LT1763-1.5: Another reliable option offering low dropout voltage and high output current capability.
3. TPS73601DBVR: A compact alternative with excellent line and load regulation characteristics.

These alternative models provide comparable performance and can be considered as substitutes for the MIC5239-1.5YM-TR in various applications.

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