MIC49150-1.2WR-TR

Product Overview

Category

The MIC49150-1.2WR-TR belongs to the category of voltage regulators.

Use

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

Characteristics

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 1.2V
• Maximum Output Current: 150mA
• Low Dropout Voltage: 200mV at 100mA
• Low Quiescent Current: 45µA
• Thermal Shutdown Protection
• Short-Circuit Protection
• Small Package Size: SOT-23-5

Package and Quantity

The MIC49150-1.2WR-TR is available in a small SOT-23-5 package. It is typically sold in reels containing a quantity of 3000 units.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 1.2V ±2%
• Output Current: Up to 150mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 45µA
• Line Regulation: ±0.3%
• Load Regulation: ±0.4%
• Ripple Rejection: 60dB at 1kHz
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC49150-1.2WR-TR has a total of five pins arranged as follows:

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Pin 1: VIN (Input Voltage) Pin 2: GND (Ground) Pin 3: EN (Enable) Pin 4: BYP (Bypass Capacitor) Pin 5: VOUT (Output Voltage)

Functional Features

• Low dropout voltage ensures efficient regulation even with low input voltages.
• Thermal shutdown protection prevents the device from overheating.
• Short-circuit protection safeguards against damage in case of a short circuit.
• Small package size allows for space-saving integration into compact electronic devices.

Advantages and Disadvantages

Advantages

• Wide input voltage range enables compatibility with various power sources.
• Low quiescent current minimizes power consumption during standby or idle states.
• Excellent line and load regulation ensures stable output voltage under varying conditions.
• Thermal shutdown and short-circuit protection enhance reliability and safety.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Output voltage is fixed at 1.2V, limiting flexibility in certain designs.

Working Principles

The MIC49150-1.2WR-TR is a linear voltage regulator that operates by maintaining a constant voltage drop between the input and output terminals. It utilizes a pass transistor to regulate the output voltage based on the feedback received from the output terminal. The internal circuitry monitors the input voltage, output voltage, and load conditions to adjust the pass transistor accordingly, ensuring a stable output voltage of 1.2V.

Detailed Application Field Plans

The MIC49150-1.2WR-TR finds application in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - IoT (Internet of Things) devices - Embedded systems - Automotive electronics - Industrial control systems

Alternative Models

For those seeking alternative options, the following models provide similar functionality to the MIC49150-1.2WR-TR: - MIC49150-1.5WR-TR: Output voltage of 1.5V - MIC49150-3.3WR-TR: Output voltage of 3.3V - MIC49150-5.0WR-TR: Output voltage of 5.0V

These alternative models offer different output voltages to cater to specific application requirements.

In conclusion, the MIC49150-1.2WR-TR is a voltage regulator with a wide input voltage range, low dropout voltage, and small package size. It provides stable and efficient regulation for various electronic devices and systems. While it has limitations in terms of maximum output current and fixed output voltage, it offers advantages such as low quiescent current and built-in protection features.