MIC5239-3.3YMM

Product Overview

Category

MIC5239-3.3YMM 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
• Dropout Voltage: 200mV
• Low Quiescent Current: 120µA
• Low Shutdown Current: 0.1µA
• Thermal Shutdown Protection
• Short Circuit Protection
• Small Package Size: SOT-23-5

Packaging/Quantity

MIC5239-3.3YMM 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: 3.3V ±2%
• Output Current: Up to 150mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 120µA (typical)
• Shutdown Current: 0.1µA (typical)
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23-5

Detailed Pin Configuration

MIC5239-3.3YMM has five pins arranged as follows:

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

Functional Features

1. Wide Input Voltage Range: The MIC5239-3.3YMM can accept input voltages ranging from 2.5V to 16V, making it suitable for a variety of applications.
2. Low Quiescent Current: With a quiescent current of only 120µA, the regulator minimizes power consumption and extends battery life in portable devices.
3. Thermal Shutdown Protection: The device incorporates thermal shutdown protection, which prevents damage due to excessive temperature.
4. Short Circuit Protection: MIC5239-3.3YMM includes short circuit protection, safeguarding the regulator and the connected circuitry from damage.

Advantages

• Wide input voltage range allows for versatile use in different applications.
• Low quiescent current reduces power consumption.
• Thermal shutdown protection ensures safe operation even under high temperature conditions.
• Short circuit protection protects the regulator and connected components.

Disadvantages

• Limited output current capacity (up to 150mA) may not be sufficient for high-power applications.
• Dropout voltage of 200mV may result in reduced efficiency in low voltage scenarios.

Working Principles

MIC5239-3.3YMM is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage and adjusting the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The MIC5239-3.3YMM voltage regulator finds applications in various electronic devices, including but not limited to:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices benefit from the low quiescent current and wide input voltage range of the regulator.
2. Industrial control systems: The regulator can be used in industrial control systems to provide stable voltage for sensors, actuators, and other components.
3. Automotive electronics: The thermal shutdown protection and short circuit protection make it suitable for automotive applications where reliability and safety are crucial.
4. IoT devices: The small package size and low power consumption make the regulator ideal for IoT devices that require compact form factors and long battery life.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and pin configuration.
2. MCP1700-3302E/TO: Another alternative offering a 3.3V output voltage and comparable features.
3. LT1763-3.3: A high-performance alternative with lower dropout voltage and higher output current capability.

These alternatives can be considered based on specific requirements and availability in the market.

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