MIC5252-1.8YM5-TR

Product Overview

Category

MIC5252-1.8YM5-TR belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize the output voltage.

Characteristics

• Voltage Regulation: The MIC5252-1.8YM5-TR provides a regulated output voltage of 1.8V.
• Low Dropout: It has a low dropout voltage, ensuring efficient operation even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: The device consumes minimal current when in standby mode, making it suitable for battery-powered applications.
• Thermal Shutdown Protection: It incorporates thermal shutdown protection to prevent damage due to excessive heat.
• Small Package Size: The MIC5252-1.8YM5-TR comes in a compact package, making it suitable for space-constrained designs.

Package and Quantity

The MIC5252-1.8YM5-TR is available in a surface-mount SOT-23-5 package. It is typically sold in reels containing a quantity of 3000 units.

Specifications

• Output Voltage: 1.8V
• Input Voltage Range: 2.5V - 16V
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 75µA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC5252-1.8YM5-TR has a total of five pins arranged as follows:

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Pin 1: Enable (EN) - Active high enable pin for turning the regulator on/off. Pin 2: Ground (GND) - Connection to the ground reference. Pin 3: Output (OUT) - Regulated output voltage of 1.8V. Pin 4: Bypass (BYP) - Connects an external bypass capacitor for improved stability. Pin 5: Input (IN) - Connection to the input voltage source.

Functional Features

• Voltage Regulation: The MIC5252-1.8YM5-TR maintains a stable output voltage of 1.8V, even with varying input voltages and load conditions.
• Low Dropout: It operates efficiently with a low dropout voltage, ensuring maximum utilization of available input voltage.
• Enable Pin: The enable pin allows for easy control of the regulator's operation, enabling power-saving modes when not required.
• Thermal Shutdown Protection: The device incorporates thermal shutdown protection, preventing damage from excessive temperature.
• Short Circuit Protection: The MIC5252-1.8YM5-TR includes short circuit protection, safeguarding the regulator and connected components.

Advantages and Disadvantages

Advantages

• Stable Output: Provides a regulated output voltage, ensuring reliable performance of downstream components.
• Low Dropout: Efficiently operates with minimal voltage drop across the regulator.
• Small Package Size: Suitable for space-constrained designs.
• Thermal Shutdown Protection: Protects against overheating and potential damage.

Disadvantages

• Limited Output Voltage Options: The MIC5252-1.8YM5-TR is specifically designed for a fixed output voltage of 1.8V, limiting its versatility in applications requiring different voltage levels.
• SOT-23-5 Package: Some designers may prefer alternative packages depending on their specific requirements.

Working Principles

The MIC5252-1.8YM5-TR utilizes a combination of internal circuitry, feedback mechanisms, and voltage references to regulate the output voltage. It compares the output voltage to a reference voltage and adjusts the internal circuitry to maintain a stable 1.8V output, compensating for variations in input voltage and load conditions.

Application Field Plans

The MIC5252-1.8YM5-TR finds applications in various electronic systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Embedded systems - IoT devices - Automotive electronics

Alternative Models

For those requiring different output voltages or package options, the following alternative models can be considered: - MIC5250: Adjustable output voltage version of the MIC5252 series. - MIC5205: Low dropout voltage regulator with adjustable or fixed output voltage options. - MCP1700: Low quiescent current LDO regulator available in various package options.

These alternative models offer flexibility in terms of output voltage selection and package preferences, catering to a wider range of application requirements.

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