MIC28511-1YFL-T5

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Wide input voltage range - Adjustable output voltage - Current limit protection - Thermal shutdown protection

Package: 5-Lead SOT-23

Essence: The MIC28511-1YFL-T5 is a voltage regulator IC designed to provide a stable and regulated output voltage from a varying input voltage source.

Packaging/Quantity: The MIC28511-1YFL-T5 is available in a 5-Lead SOT-23 package. It is typically sold in reels containing a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Maximum Output Current: 1A
• Dropout Voltage: 200mV at 1A
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC28511-1YFL-T5 has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. FB (Feedback)
4. EN (Enable)
5. VOUT (Output Voltage)

Functional Features

• High Efficiency: The MIC28511-1YFL-T5 utilizes advanced circuitry to achieve high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: The regulator maintains a low dropout voltage even under heavy load conditions, ensuring stable output voltage.
• Wide Input Voltage Range: The IC can accept input voltages ranging from 2.7V to 5.5V, making it suitable for a wide range of applications.
• Adjustable Output Voltage: The output voltage can be adjusted within the specified range using an external resistor divider network.
• Current Limit Protection: The IC incorporates current limit protection to prevent excessive current flow, protecting both the regulator and the load.
• Thermal Shutdown Protection: In case of excessive temperature rise, the thermal shutdown feature activates, preventing damage to the IC.

Advantages and Disadvantages

Advantages: - High efficiency operation - Wide input voltage range - Adjustable output voltage - Current limit and thermal shutdown protection

Disadvantages: - Limited maximum output current (1A)

Working Principles

The MIC28511-1YFL-T5 is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the feedback voltage (FB) with a reference voltage to control the pass transistor's conduction, maintaining a stable output voltage regardless of input voltage variations.

Detailed Application Field Plans

The MIC28511-1YFL-T5 is commonly used in various electronic devices and systems, including but not limited to: - Portable consumer electronics - Battery-powered devices - Industrial automation equipment - Communication systems - Automotive applications

Detailed and Complete Alternative Models

Some alternative models to the MIC28511-1YFL-T5 include: - LM1117-3.3 - LT1763-3.3 - TPS79633

These alternatives offer similar functionality and characteristics, providing options for different design requirements.

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