MIC39151-1.8BU TR

Product Overview

Category

The MIC39151-1.8BU 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 Output: 1.8V
• Package Type: TO-263-5 (D2PAK)
• Input Voltage Range: 2.7V to 16V
• Dropout Voltage: 120mV at 150mA
• Quiescent Current: 120µA
• Line Regulation: ±0.05%
• Load Regulation: ±0.1%
• Thermal Shutdown Protection
• Short Circuit Current Limiting
• Low Noise Output

Packaging/Quantity

The MIC39151-1.8BU TR is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Output Voltage: 1.8V
• Input Voltage Range: 2.7V to 16V
• Dropout Voltage: 120mV at 150mA
• Quiescent Current: 120µA
• Line Regulation: ±0.05%
• Load Regulation: ±0.1%
• Operating Temperature Range: -40°C to +125°C
• Package Type: TO-263-5 (D2PAK)

Detailed Pin Configuration

The MIC39151-1.8BU TR has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. NC (No Connection)
4. VOUT (Output Voltage)
5. EN (Enable)

Functional Features

• Voltage Regulation: The MIC39151-1.8BU TR provides a stable output voltage of 1.8V, regardless of input voltage fluctuations.
• Thermal Shutdown Protection: The regulator includes a built-in thermal shutdown feature that protects the device from overheating.
• Short Circuit Current Limiting: In case of a short circuit, the MIC39151-1.8BU TR limits the current to prevent damage to the circuit.
• Low Noise Output: This voltage regulator produces minimal output noise, ensuring clean and reliable power for sensitive electronic components.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Low dropout voltage minimizes power dissipation.
• Excellent line and load regulation ensures stable output voltage.
• Thermal shutdown protection prevents overheating.
• Short circuit current limiting protects the circuitry.

Disadvantages

• Limited output voltage options (only 1.8V in this model).
• Relatively high quiescent current compared to some other regulators.

Working Principles

The MIC39151-1.8BU TR 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 to maintain a constant output voltage of 1.8V. The regulator continuously monitors the input voltage and adjusts the pass transistor to compensate for any changes, providing a stable output voltage.

Detailed Application Field Plans

The MIC39151-1.8BU TR can be used in various applications, including but not limited to:

1. Power supply circuits for microcontrollers and digital ICs.
2. Battery-powered devices requiring a stable 1.8V voltage source.
3. Audio amplifiers and signal processing circuits.
4. Industrial control systems and automation equipment.
5. Automotive electronics, such as infotainment systems and engine control units.

Detailed and Complete Alternative Models

1. LM1117-1.8V: A popular alternative with similar specifications and package type.
2. LT1761-1.8: Another alternative with lower dropout voltage and quiescent current.
3. TPS79318: A high-performance alternative with ultra-low noise output.

These alternative models offer similar functionality and can be considered as substitutes for the MIC39151-1.8BU TR in various applications.

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