MIC5209-3.3BU

Product Overview

Category

MIC5209-3.3BU belongs to the category of voltage regulators.

Use

It is commonly used to regulate and stabilize voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.5V to 16V
• Output Voltage: 3.3V
• Maximum Output Current: 150mA
• Low Dropout Voltage: 75mV at 100mA
• Low Quiescent Current: 35µA
• Thermal Shutdown Protection
• Short Circuit Current Limiting
• SOT-23 Package

Packaging/Quantity

MIC5209-3.3BU is available in a SOT-23 package. It is typically sold in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage: 3.3V ±2%
• Output Current: Up to 150mA
• Dropout Voltage: 75mV at 100mA
• Quiescent Current: 35µA
• Line Regulation: 0.05%/V
• Load Regulation: 0.1%/mA
• Ripple Rejection: 70dB
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

MIC5209-3.3BU has three pins:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground reference pin.
3. VOUT (Pin 3): Output voltage pin.

Functional Features

• Low Dropout Voltage: The MIC5209-3.3BU exhibits a low dropout voltage of only 75mV at 100mA, ensuring efficient regulation even with low input-output differentials.
• Thermal Shutdown Protection: The regulator includes thermal shutdown protection, which prevents damage due to excessive temperature.
• Short Circuit Current Limiting: It incorporates short circuit current limiting to protect the device and the load from excessive current.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Low dropout voltage ensures efficient regulation.
• Thermal shutdown protection prevents damage from overheating.
• Short circuit current limiting protects the device and load.

Disadvantages

• Limited output current of up to 150mA may not be suitable for high-power applications.
• SOT-23 package may require additional heat dissipation measures in certain scenarios.

Working Principles

MIC5209-3.3BU is a linear voltage regulator that operates by comparing the output voltage with an internal reference voltage. It adjusts the pass transistor's resistance to maintain a stable output voltage despite variations in the input voltage and load conditions. The regulator uses feedback control to continuously monitor and adjust the output voltage.

Detailed Application Field Plans

MIC5209-3.3BU finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Embedded systems - Industrial control systems - Automotive electronics - Communication equipment

Detailed and Complete Alternative Models

Some alternative models to MIC5209-3.3BU include: - LM1117-3.3 - LT1763-3.3 - MCP1703-3.3 - NCP1117-3.3 - TS2950-3.3

These alternatives offer similar functionality and characteristics, providing options for different design requirements.

In conclusion, MIC5209-3.3BU is a voltage regulator with a wide input voltage range, low dropout voltage, and thermal protection. It is commonly used in various electronic applications and has several alternative models available in the market.