MIC47100YMME

Product Overview

• Category: Integrated Circuit
• Use: Power Management
• Characteristics: High Efficiency, Low Quiescent Current
• Package: 8-Pin MSOP
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Output Current: Up to 1A
• Quiescent Current: 17µA (typical)
• Switching Frequency: 2MHz (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC47100YMME features the following pin configuration:

1. EN (Enable): Enable input pin for turning the regulator on/off.
2. FB (Feedback): Feedback pin for regulating the output voltage.
3. GND (Ground): Ground reference for the IC.
4. SW (Switch): Switching node for connecting the inductor.
5. VIN (Voltage Input): Input voltage supply pin.
6. PG (Power Good): Output power good indicator.
7. SS (Soft Start): Soft start capacitor connection pin.
8. VOUT (Voltage Output): Regulated output voltage pin.

Functional Features

• High Efficiency: The MIC47100YMME offers high efficiency, ensuring minimal power loss during voltage regulation.
• Low Quiescent Current: With a low quiescent current of only 17µA, the IC minimizes power consumption when idle.
• Wide Input Voltage Range: The device can operate within a wide input voltage range of 2.7V to 5.5V, making it suitable for various applications.
• Adjustable Output Voltage: The output voltage can be adjusted from 0.8V to 3.6V, providing flexibility for different system requirements.
• Power Good Indicator: The power good pin (PG) indicates when the output voltage is within the desired range, ensuring proper operation.

Advantages and Disadvantages

Advantages: - High efficiency design - Low quiescent current - Wide input voltage range - Adjustable output voltage - Power good indicator

Disadvantages: - Limited output current (up to 1A)

Working Principles

The MIC47100YMME is a voltage regulator that utilizes a synchronous buck converter topology. It operates by converting a higher input voltage to a lower, regulated output voltage. The IC uses pulse width modulation (PWM) to control the duty cycle of the internal power switch, which in turn regulates the output voltage. By adjusting the duty cycle, the IC maintains a stable output voltage despite variations in the input voltage or load conditions.

Detailed Application Field Plans

The MIC47100YMME is commonly used in various applications, including:

1. Portable Electronic Devices: The IC's low quiescent current and high efficiency make it ideal for battery-powered devices such as smartphones, tablets, and portable media players.
2. IoT Devices: With its wide input voltage range and compact package, the IC is suitable for powering IoT devices that require efficient voltage regulation.
3. Industrial Automation: The MIC47100YMME can be used in industrial automation systems where reliable and stable power supplies are essential.
4. Automotive Electronics: Due to its wide operating temperature range, the IC can be employed in automotive electronics, including infotainment systems and advanced driver-assistance systems (ADAS).

Detailed and Complete Alternative Models

1. MIC47200YMME: Similar to MIC47100YMME, but with a higher output current capability of up to 2A.
2. MIC47300YMME: Offers the same features as MIC47100YMME, but with an extended input voltage range of 2.7V to 36V.
3. MIC47400YMME: Provides dual outputs and higher output current of up to 4A.

These alternative models offer similar functionality to the MIC47100YMME while catering to different requirements in terms of output current, input voltage range, and additional features.

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