MIC4685-5.0BR

Product Overview

Category

MIC4685-5.0BR belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 5.0V
• Maximum Output Current: 500mA
• Dropout Voltage: 300mV at 500mA
• Low Quiescent Current: 120µA
• Low Shutdown Current: 1µA
• Thermal Shutdown Protection
• Short Circuit Protection
• Small Package Size

Package

MIC4685-5.0BR comes in a small package, typically a SOT-23-5 or similar package.

Essence

The essence of MIC4685-5.0BR is to provide a stable and regulated output voltage of 5.0V from a wide range of input voltages.

Packaging/Quantity

MIC4685-5.0BR is usually packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 5.0V
• Output Current: Up to 500mA
• Dropout Voltage: 300mV at 500mA
• Quiescent Current: 120µA
• Shutdown Current: 1µA
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23-5

Pin Configuration

MIC4685-5.0BR has the following pin configuration:

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Pin 1: VIN (Input Voltage) Pin 2: GND (Ground) Pin 3: EN (Enable) Pin 4: BYP (Bypass) Pin 5: VOUT (Output Voltage)

Functional Features

1. Wide Input Voltage Range: The MIC4685-5.0BR can accept input voltages ranging from 2.7V to 16V, making it suitable for a variety of applications.
2. Stable Output Voltage: It provides a regulated output voltage of 5.0V, ensuring a stable power supply for connected devices.
3. Low Quiescent Current: With a low quiescent current of 120µA, the regulator minimizes power consumption when idle.
4. Shutdown Capability: The regulator has a shutdown pin (EN) that allows for easy power management by disabling the output voltage when not needed.
5. Thermal and Short Circuit Protection: The MIC4685-5.0BR incorporates thermal shutdown and short circuit protection mechanisms to safeguard against excessive heat and current overload.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile use in various applications.
• Stable output voltage ensures reliable performance of connected devices.
• Low quiescent current reduces power consumption.
• Shutdown capability enables efficient power management.
• Thermal and short circuit protection enhance safety and durability.

Disadvantages

• Limited maximum output current of 500mA may not be sufficient for high-power applications.
• Dropout voltage of 300mV at 500mA may result in some power loss.

Working Principles

MIC4685-5.0BR is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It operates by comparing the output voltage with a reference voltage and adjusting the pass transistor accordingly to maintain a constant output voltage of 5.0V. The regulator also includes feedback and control circuitry to ensure stability and protection against thermal and short circuit conditions.

Application Field Plans

MIC4685-5.0BR finds applications in various electronic devices and systems, including but not limited to: 1. Battery-powered devices requiring a stable 5.0V power supply. 2. Embedded systems and microcontrollers. 3. Portable consumer electronics such as smartphones, tablets, and portable audio players. 4. Industrial control systems and automation equipment. 5. Automotive electronics.

Alternative Models

There are several alternative models available that offer similar functionality to MIC4685-5.0BR. Some popular alternatives include: 1. LM7805: A widely used linear voltage regulator with a fixed 5.0V output voltage. 2. LT1763: A low dropout (LDO) regulator with adjustable output voltage and higher maximum output current. 3. TPS7A05: An ultra-low quiescent current LDO regulator suitable for battery-powered applications. 4. NCP1117: A cost-effective linear voltage regulator with a fixed 5.0V output voltage.

These alternative models can be considered based on specific application requirements and