MIC5245-3.3BMM

Product Overview

Category

MIC5245-3.3BMM belongs to the category of voltage regulators.

Use

The MIC5245-3.3BMM is used to regulate voltage in electronic circuits.

Characteristics

• Low dropout voltage
• Low quiescent current
• High output accuracy
• Thermal shutdown protection
• Short-circuit current limit

Package

The MIC5245-3.3BMM comes in a miniature 8-pin MSOP package.

Essence

The essence of MIC5245-3.3BMM lies in its ability to provide stable and regulated voltage output for various electronic applications.

Packaging/Quantity

The MIC5245-3.3BMM is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 2.3V to 5.5V
• Output Voltage: 3.3V
• Dropout Voltage: 120mV at 150mA
• Quiescent Current: 35µA
• Output Accuracy: ±2%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

1. EN (Enable): Enable pin for turning the regulator on/off.
2. GND (Ground): Ground reference for the regulator.
3. FB (Feedback): Feedback pin for setting the output voltage.
4. NC (No Connection): No connection pin.
5. VOUT (Output Voltage): Regulated output voltage.
6. VOUT (Output Voltage): Regulated output voltage.
7. VIN (Input Voltage): Input voltage supply.
8. VIN (Input Voltage): Input voltage supply.

Functional Features

• Low dropout voltage ensures efficient regulation even with low input voltages.
• Low quiescent current minimizes power consumption during standby or idle modes.
• High output accuracy provides precise voltage regulation for sensitive electronic components.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Short-circuit current limit protects the regulator and connected devices from overcurrent conditions.

Advantages and Disadvantages

Advantages

• Compact size and package make it suitable for space-constrained applications.
• Wide input voltage range allows compatibility with various power sources.
• Excellent output accuracy ensures reliable performance.
• Low dropout voltage enables efficient power conversion.

Disadvantages

• Limited output current capability may not be suitable for high-power applications.
• Lack of adjustable output voltage limits flexibility in certain designs.

Working Principles

The MIC5245-3.3BMM is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB pin) with a reference voltage to adjust the pass transistor's resistance. This adjustment maintains a constant output voltage despite variations in the input voltage or load conditions.

Detailed Application Field Plans

The MIC5245-3.3BMM finds application in various electronic systems, including but not limited to: 1. Battery-powered devices: Provides stable voltage supply for portable electronics. 2. IoT devices: Ensures reliable power delivery for connected devices. 3. Automotive electronics: Regulates voltage for automotive modules and sensors. 4. Industrial control systems: Maintains consistent voltage levels for control circuitry. 5. Consumer electronics: Powers audio/video equipment, gaming consoles, etc.

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. TPS79633: Provides adjustable output voltage and higher output current.

These alternative models offer comparable functionality and can be considered based on specific design requirements.

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