MIC2505-2YM

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Adjustable output voltage - Thermal shutdown protection - Short-circuit current limiting

Package: SOP-8 (Small Outline Package)

Essence: The MIC2505-2YM is a voltage regulator IC that provides a stable output voltage with low dropout. It is commonly used in various electronic devices to regulate and control the voltage levels.

Packaging/Quantity: The MIC2505-2YM is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

The specifications of the MIC2505-2YM are as follows:

• Input Voltage Range: 2.7V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 150mA
• Output Current: Up to 500mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MIC2505-2YM has a SOP-8 package with the following pin configuration:

1. EN (Enable)
2. GND (Ground)
3. FB (Feedback)
4. VOUT (Output Voltage)
5. VOUT (Output Voltage)
6. NC (No Connection)
7. VIN (Input Voltage)
8. VIN (Input Voltage)

Functional Features

• Low Dropout Voltage: The MIC2505-2YM has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• High Output Current Capability: With a maximum output current of 500mA, the MIC2505-2YM can handle high current loads.
• Adjustable Output Voltage: The output voltage of the MIC2505-2YM can be adjusted within a specified range, providing flexibility in various applications.
• Thermal Shutdown Protection: The IC includes thermal shutdown protection to prevent overheating and damage under excessive operating conditions.
• Short-Circuit Current Limiting: The MIC2505-2YM has built-in short-circuit current limiting to protect the circuit from excessive current flow during a short circuit.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient voltage regulation. - High output current capability allows for powering demanding loads. - Adjustable output voltage provides versatility in different applications. - Thermal shutdown protection prevents damage due to overheating. - Short-circuit current limiting protects the circuit from excessive current flow.

Disadvantages: - Limited input voltage range (2.7V to 6.5V). - Quiescent current of 75µA may not be suitable for ultra-low power applications.

Working Principles

The MIC2505-2YM operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB pin) with a reference voltage. The internal circuitry adjusts the pass transistor to maintain a stable output voltage, compensating for changes in load and input voltage.

Detailed Application Field Plans

The MIC2505-2YM is widely used in various electronic devices and applications, including but not limited to: - Battery-powered devices - Portable audio players - Mobile phones - Wireless communication systems - Industrial control systems - Automotive electronics

Alternative Models

Here are some alternative models that provide similar functionality to the MIC2505-2YM:

1. LM1117-3.3: Fixed output voltage regulator with a dropout voltage of 1.2V at 800mA.
2. LT1763: Low dropout linear regulator with adjustable output voltage and a maximum output current of 500mA.
3. TPS7A4700: Ultra-low noise, high PSRR (Power Supply Rejection Ratio) voltage regulator with adjustable output voltage and a maximum output current of 1A.

These alternative models can be considered based on specific requirements and application needs.

In conclusion, the MIC2505-2YM is a versatile voltage regulator IC that offers stable output voltage regulation with low dropout. Its high output current capability, adjustable output voltage, and built-in protection features make it suitable for various electronic applications.