MIC39150-1.65BU TR

Product Overview

Category

The MIC39150-1.65BU TR belongs to the category of voltage regulators.

Use

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

Characteristics

• High precision: The MIC39150-1.65BU TR offers high accuracy in voltage regulation.
• Low dropout voltage: It operates efficiently even when the input voltage is close to the output voltage.
• Low quiescent current: The regulator consumes minimal current when not supplying power to the load.
• Thermal shutdown protection: It includes a built-in mechanism to prevent overheating.

Package

The MIC39150-1.65BU TR comes in a compact and industry-standard TO-263 package.

Essence

This voltage regulator is designed to provide stable and reliable 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 to 16V
• Output Voltage: 1.65V
• Maximum Output Current: 1.5A
• Dropout Voltage: 300mV (typical)
• Quiescent Current: 120µA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC39150-1.65BU TR has the following pin configuration:

```

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| | --| VIN GND |-- --| VOUT EN |-- |___________| ```

• VIN: Input voltage pin
• GND: Ground pin
• VOUT: Output voltage pin
• EN: Enable pin (optional)

Functional Features

• Voltage Regulation: The MIC39150-1.65BU TR ensures a stable output voltage of 1.65V, regardless of input voltage fluctuations.
• Current Limiting: It incorporates current limiting circuitry to protect the load from excessive current.
• Short Circuit Protection: The regulator is equipped with short circuit protection to prevent damage in case of a short circuit.
• Thermal Shutdown: In the event of excessive temperature rise, the MIC39150-1.65BU TR shuts down to avoid overheating.

Advantages and Disadvantages

Advantages

• High precision voltage regulation
• Low dropout voltage enables efficient operation
• Low quiescent current minimizes power consumption
• Thermal shutdown protection prevents overheating

Disadvantages

• Limited output current capacity (1.5A maximum)
• Requires external components for stability and filtering

Working Principles

The MIC39150-1.65BU TR operates based on a feedback control mechanism. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage of 1.65V. This is achieved by controlling the pass transistor's resistance, which regulates the flow of current through the regulator.

Detailed Application Field Plans

The MIC39150-1.65BU TR finds applications in various electronic systems that require a stable 1.65V power supply. Some common application fields include:

1. Microcontrollers and microprocessors
2. Digital signal processors (DSPs)
3. Memory modules
4. Communication devices
5. Audio amplifiers
6. Battery-powered devices

Detailed and Complete Alternative Models

1. LM1117-1.65: A popular alternative with similar specifications and pin configuration.
2. LT1761-1.65: Another reliable alternative offering comparable performance.
3. TPS73601-1.65: An alternative choice with additional features like adjustable output voltage.

These alternatives can be considered based on specific requirements and availability.

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