MIC3975YMM

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-performance, low-dropout voltage regulator
• Package: 8-pin MSOP (Mini Small Outline Package)
• Essence: Regulates and stabilizes voltage for various electronic devices
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage Range: 1.2V to 15V
• Dropout Voltage: 300mV at 500mA
• Maximum Output Current: 500mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC3975YMM has the following pin configuration:

1. EN (Enable): Enable input pin for turning the regulator on/off.
2. GND (Ground): Ground reference for the IC.
3. FB (Feedback): Feedback pin for setting the output voltage.
4. VOUT (Output Voltage): Regulated output voltage.
5. VIN (Input Voltage): Input voltage supply.
6. BYP (Bypass): Bypass capacitor connection for improved stability.
7. NC (No Connection): No electrical connection.
8. VOUT (Output Voltage): Regulated output voltage.

Functional Features

• Low dropout voltage: The MIC3975YMM provides a low dropout voltage, ensuring efficient power delivery even with small input-output differentials.
• High output current capability: With a maximum output current of 500mA, it can power a wide range of electronic devices.
• Low quiescent current: The IC has a low quiescent current of 75µA, minimizing power consumption during standby or idle modes.
• Thermal shutdown protection: The MIC3975YMM incorporates thermal shutdown protection to prevent damage due to excessive temperature.

Advantages and Disadvantages

Advantages

• High-performance voltage regulation.
• Wide input voltage range.
• Compact package size.
• Low dropout voltage.
• Thermal shutdown protection.

Disadvantages

• Limited maximum output current compared to some other models.
• Higher quiescent current compared to certain alternatives.

Working Principles

The MIC3975YMM is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB) with a reference voltage, adjusting the pass transistor's resistance to maintain a stable output voltage. The enable pin (EN) allows the regulator to be turned on or off as required.

Detailed Application Field Plans

The MIC3975YMM is suitable for various applications, including but not limited to: - Battery-powered devices - Portable electronics - Industrial control systems - Automotive electronics - Communication equipment

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with a fixed 3.3V output voltage.
2. LT1763: Offers lower dropout voltage and higher maximum output current.
3. TPS7A4700: Provides ultra-low noise performance for sensitive applications.
4. ADP3339: Features low quiescent current and high accuracy voltage regulation.

These alternative models offer different features and specifications, allowing users to choose the most suitable option based on their specific requirements.

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