MIC5245-3.3YMM-TR

Introduction

The MIC5245-3.3YMM-TR is a voltage regulator belonging to the category of integrated circuits. It is commonly used in electronic devices to regulate voltage and ensure stable power supply to various components. This entry provides an overview of the product, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Integrated Circuits
• Use: Voltage regulation
• Characteristics: Stable output voltage, low dropout voltage, low quiescent current
• Package: Miniature 8-pin YMM package
• Essence: Regulating voltage for electronic devices
• Packaging/Quantity: Typically available in reels of 3000 units

Specifications

• Output Voltage: 3.3V
• Input Voltage Range: 2.3V to 20V
• Dropout Voltage: 17mV at 10mA load
• Quiescent Current: 35µA
• Output Current: 500mA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The MIC5245-3.3YMM-TR features the following pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. BYP (Bypass Capacitor) 4. EN (Enable) 5. NC (No Connection) 6. NC (No Connection) 7. VOUT (Output Voltage) 8. VFB (Feedback Voltage)

Functional Features

• Low Dropout Voltage: Ensures efficient regulation even when the input voltage is only slightly higher than the output voltage.
• Low Quiescent Current: Minimizes power consumption when the device is in standby mode.
• Thermal Shutdown Protection: Safeguards the regulator from overheating, enhancing its reliability.

Advantages and Disadvantages

Advantages

• Compact YMM package suitable for space-constrained applications
• Wide input voltage range allows for versatile use
• Low dropout voltage ensures efficient operation in low-power scenarios

Disadvantages

• Limited output current compared to some alternative models
• Sensitive to improper layout and bypass capacitor selection

Working Principles

The MIC5245-3.3YMM-TR operates by comparing the feedback voltage with a precise internal reference. It then adjusts the pass transistor to maintain a stable output voltage, compensating for variations in input voltage and load conditions.

Detailed Application Field Plans

This voltage regulator is widely used in portable electronic devices such as smartphones, tablets, and portable media players. It is also employed in battery-powered applications, IoT devices, and various embedded systems where stable voltage regulation is critical.

Detailed and Complete Alternative Models

• MIC5205: Offers lower dropout voltage but with a lower maximum output current
• MIC5255: Provides a higher output current at the expense of a slightly larger package size
• MIC5320: Features adjustable output voltage, catering to diverse application requirements

In conclusion, the MIC5245-3.3YMM-TR is a versatile voltage regulator with a compact form factor and excellent performance characteristics. Its wide input voltage range and low dropout voltage make it suitable for a variety of electronic applications, particularly those requiring efficient power management in limited space.

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