MIC5259-4.75BD5-TR

Product Overview

Category

The MIC5259-4.75BD5-TR belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 4.75V
• Maximum Output Current: 150mA
• Dropout Voltage: 200mV (typical)
• Low Quiescent Current: 35µA (typical)
• Low Shutdown Current: 0.1µA (typical)
• Package Type: SOT-23-5
• Operating Temperature Range: -40°C to +125°C

Packaging/Quantity

The MIC5259-4.75BD5-TR is typically available in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 4.75V ±2%
• Output Current: Up to 150mA
• Dropout Voltage: 200mV (typical) at 100mA load
• Quiescent Current: 35µA (typical)
• Shutdown Current: 0.1µA (typical)
• Line Regulation: 0.05%/V (typical)
• Load Regulation: 0.1% (typical)
• Ripple Rejection: 70dB (typical)
• Thermal Shutdown Protection: Yes
• Short Circuit Protection: Yes
• Package Type: SOT-23-5

Detailed Pin Configuration

The MIC5259-4.75BD5-TR has a total of five pins arranged as follows:

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

Functional Features

• Low dropout voltage ensures efficient regulation even with low input voltages.
• Low quiescent current minimizes power consumption in standby or idle modes.
• Thermal shutdown protection prevents the device from overheating.
• Short circuit protection safeguards the regulator and connected components.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Low quiescent current enables energy-efficient operation.
• Small package size (SOT-23-5) facilitates space-constrained designs.
• Thermal shutdown and short circuit protection enhance reliability.

Disadvantages

• Limited output current capacity may restrict usage in high-power applications.
• Output voltage is fixed at 4.75V, limiting flexibility in certain scenarios.

Working Principles

The MIC5259-4.75BD5-TR is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage derived from the output. Any difference between these voltages is amplified and used to adjust the pass transistor, maintaining a stable output voltage.

Detailed Application Field Plans

The MIC5259-4.75BD5-TR finds application in various electronic systems, including but not limited to:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices can benefit from the voltage regulation provided by this product.
2. IoT devices: Internet of Things (IoT) devices often operate on low voltages and require efficient voltage regulation for optimal performance.
3. Automotive electronics: The regulator can be used in automotive applications, such as infotainment systems, dashboard displays, and lighting control modules.
4. Industrial equipment: Voltage regulation is crucial in industrial automation, control systems, and sensor networks.

Detailed and Complete Alternative Models

1. MIC5205-4.75YM5-TR: Similar to the MIC5259-4.75BD5-TR, this voltage regulator offers a fixed output voltage of 4.75V with a maximum output current of 150mA. It comes in a SOT-23-5 package.
2. LP2985-4.75DBVR: This voltage regulator also provides a fixed output voltage of 4.75V but offers a higher maximum output current of 1500mA. It is available in a SOT-23-5 package.

These alternative models can be considered based on specific application requirements and desired performance characteristics.

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