MIC39100-3.3BS

Product Overview

Category

The MIC39100-3.3BS belongs to the category of voltage regulators.

Use

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

Characteristics

• High precision voltage regulation
• Low dropout voltage
• Low quiescent current
• Thermal shutdown protection
• Short-circuit current limit

Package

The MIC39100-3.3BS is available in a small outline package (SOP) with 8 pins.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage output, ensuring reliable operation of electronic devices.

Packaging/Quantity

The MIC39100-3.3BS is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 26V
• Output Voltage: 3.3V
• Output Current: Up to 1A
• Dropout Voltage: 300mV at 1A
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC39100-3.3BS has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. EN (Enable)
4. BYP (Bypass Capacitor)
5. VOUT (Output Voltage)
6. NC (No Connection)
7. NC (No Connection)
8. VREF (Reference Voltage)

Functional Features

• High Precision Regulation: The MIC39100-3.3BS provides precise voltage regulation, ensuring stable output even under varying load conditions.
• Low Dropout Voltage: With a low dropout voltage of only 300mV at 1A, this regulator minimizes power dissipation and maximizes efficiency.
• Low Quiescent Current: The quiescent current of 120µA ensures minimal power consumption when the regulator is in standby mode.
• Thermal Shutdown Protection: The device incorporates thermal shutdown protection, preventing damage due to excessive temperature.
• Short-Circuit Current Limit: The MIC39100-3.3BS features a short-circuit current limit, safeguarding against potential damage caused by short circuits.

Advantages and Disadvantages

Advantages

• High precision voltage regulation
• Low dropout voltage for improved efficiency
• Low quiescent current for reduced power consumption
• Thermal shutdown protection for enhanced reliability
• Short-circuit current limit for added safety

Disadvantages

• Limited output current capacity (up to 1A)
• Restricted input voltage range (4.5V to 26V)

Working Principles

The MIC39100-3.3BS operates based on the principle of feedback control. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage of 3.3V. This is achieved by controlling the pass transistor, which regulates the flow of current from the input to the output.

Detailed Application Field Plans

The MIC39100-3.3BS finds applications in various electronic systems that require regulated voltage supply. Some common application fields include:

1. Power management in microcontrollers and microprocessors
2. Battery-powered devices
3. Communication equipment
4. Industrial automation systems
5. Automotive electronics
6. Consumer electronics

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and package options.
2. LT1763-3.3: Offers lower dropout voltage and higher output current capability.
3. TPS7A3301: Provides adjustable output voltage and higher input voltage range.

These alternative models offer similar functionality and can be considered as substitutes for the MIC39100-3.3BS in various applications.

Word count: 496 words