MIC49500WR

Product Overview

Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics: High efficiency, low dropout voltage, small package size
Package: TO-252-3 (DPAK)
Essence: Linear regulator with adjustable output voltage
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

Input Voltage Range: 2.5V to 16V
Output Voltage Range: 1.25V to 15V
Output Current: Up to 500mA
Dropout Voltage: 300mV typical at 500mA load
Quiescent Current: 75µA typical
Line Regulation: 0.04% typical
Load Regulation: 0.2% typical
Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC49500WR has three pins:

VIN - Input voltage pin
GND - Ground pin
VOUT - Output voltage pin

Functional Features

Adjustable output voltage through external resistors
Low dropout voltage for efficient power conversion
Overcurrent and thermal protection
Fast transient response
Low quiescent current for power-saving applications

Advantages and Disadvantages

Advantages

High efficiency
Wide input voltage range
Small package size
Adjustable output voltage
Overcurrent and thermal protection

Disadvantages

Limited output current (up to 500mA)
Dropout voltage may affect performance in low voltage applications

Working Principles

The MIC49500WR is a linear voltage regulator that provides a stable output voltage regardless of variations in the input voltage. It achieves this by using a pass transistor to regulate the output voltage based on a feedback mechanism. The adjustable output voltage is set by external resistors connected to the VOUT pin.

Detailed Application Field Plans

The MIC49500WR is commonly used in various electronic devices and systems, including:

Battery-powered devices
Portable audio players
Wireless communication devices
Industrial control systems
Automotive applications

Detailed and Complete Alternative Models

LM317 - Adjustable Linear Voltage Regulator
LT1086 - Low Dropout Positive Adjustable Regulator
TPS7A47 - Ultra-Low Noise, High PSRR, 1A Low-Dropout Linear Regulator
ADP3339 - Ultralow Noise, High PSRR, Fast Transient Response, CMOS LDO Regulator

These alternative models offer similar functionality and can be considered as substitutes for the MIC49500WR in various applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MIC49500WR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MIC49500WR in technical solutions:

Q: What is MIC49500WR? A: MIC49500WR is a voltage regulator IC (integrated circuit) that provides a regulated output voltage from an input voltage source.
Q: What is the input voltage range for MIC49500WR? A: The input voltage range for MIC49500WR is typically between 4.5V and 60V.
Q: What is the output voltage range for MIC49500WR? A: The output voltage range for MIC49500WR can be adjusted from 0.8V to 24V using external resistors.
Q: What is the maximum output current of MIC49500WR? A: The maximum output current of MIC49500WR is 5A, which makes it suitable for powering various electronic devices.
Q: Can MIC49500WR handle high temperatures? A: Yes, MIC49500WR is designed to operate at high temperatures. It has a wide operating temperature range of -40°C to +125°C.
Q: Does MIC49500WR have built-in protection features? A: Yes, MIC49500WR includes several protection features such as overcurrent protection, thermal shutdown, and reverse battery protection.
Q: Can I use MIC49500WR in automotive applications? A: Yes, MIC49500WR is suitable for automotive applications as it meets the AEC-Q100 automotive qualification standards.
Q: How do I adjust the output voltage of MIC49500WR? A: The output voltage of MIC49500WR can be adjusted by connecting external resistors to the feedback pin (FB) and ground (GND).
Q: Can I use MIC49500WR in a battery-powered application? A: Yes, MIC49500WR can be used in battery-powered applications as it has a low quiescent current and supports low dropout voltage operation.
Q: Is there any evaluation board available for MIC49500WR? A: Yes, Microchip provides an evaluation board (MIC49500-EV) that allows users to test and evaluate the performance of MIC49500WR in their applications.

Please note that these answers are general and may vary depending on the specific requirements and conditions of your technical solution.