MIC5239-1.8YM

Product Overview

Category

MIC5239-1.8YM 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: 1.8V
• Maximum Output Current: 150mA
• Low Dropout Voltage: 200mV at 100mA
• Low Quiescent Current: 75µA
• Thermal Shutdown Protection
• Short Circuit Current Limiting
• Small Package Size: SOT-23-5

Packaging/Quantity

MIC5239-1.8YM is available in a small SOT-23-5 package. It is typically sold in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage: 1.8V ±2%
• Output Current: Up to 150mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 75µA
• Line Regulation: 0.05%/V
• Load Regulation: 0.1%/mA
• Ripple Rejection: 70dB
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

MIC5239-1.8YM has a total of five pins:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground reference pin.
3. EN (Pin 3): Enable pin for turning the regulator on/off.
4. BYP (Pin 4): Bypass capacitor connection pin.
5. VOUT (Pin 5): Regulated output voltage pin.

Functional Features

• Wide input voltage range allows for versatile applications.
• Low dropout voltage ensures efficient regulation even with low input voltages.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Short circuit current limiting protects the regulator and connected components.
• Small package size enables space-saving designs.

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Low dropout voltage ensures efficient operation in low voltage conditions.
• Thermal shutdown protection enhances reliability and safety.
• Small package size facilitates compact circuit designs.

Disadvantages

• Limited output current capacity may restrict usage in high-power applications.
• Output voltage fixed at 1.8V may not be suitable for all voltage requirements.

Working Principles

MIC5239-1.8YM is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage of 1.8V.

Detailed Application Field Plans

MIC5239-1.8YM finds applications in various electronic devices, including but not limited to: - Battery-powered devices - Portable audio players - Mobile phones - Digital cameras - Wireless communication modules

Detailed and Complete Alternative Models

Some alternative models to MIC5239-1.8YM are: - LM1117-1.8 - LT1763-1.8 - MCP1702-1.8 - TS2950-1.8

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

In conclusion, MIC5239-1.8YM is a voltage regulator with a wide input voltage range, low dropout voltage, and thermal shutdown protection. It is commonly used in battery-powered devices, portable audio players, mobile phones, and other electronic devices. While it has limitations in terms of output current capacity and fixed output voltage, there are alternative models available to suit different design needs.