MIC37501-1.65WR

Product Overview

Category

MIC37501-1.65WR belongs to the category of voltage regulators.

Use

This product is used to regulate and stabilize voltage levels in electronic circuits.

Characteristics

• Package: The MIC37501-1.65WR comes in a compact surface-mount package.
• Essence: It is a high-performance, low-dropout (LDO) voltage regulator.
• Packaging/Quantity: The product is typically available in reels or trays, with varying quantities depending on the supplier.

Specifications

The MIC37501-1.65WR has the following specifications:

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 1.65V
• Maximum Output Current: 500mA
• Dropout Voltage: 150mV at 500mA
• Line Regulation: ±0.02%
• Load Regulation: ±0.05%
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC37501-1.65WR has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. BYP: Bypass capacitor pin
5. VOUT: Output voltage pin

Functional Features

• Low Dropout Voltage: The MIC37501-1.65WR exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• High Accuracy: With excellent line and load regulation, this voltage regulator provides precise and stable output voltage.
• Low Quiescent Current: The low quiescent current minimizes power consumption, making it suitable for battery-powered applications.
• Thermal Shutdown Protection: The device incorporates thermal shutdown protection, preventing damage due to excessive temperature.

Advantages and Disadvantages

Advantages

• High accuracy and stability in voltage regulation.
• Low dropout voltage for efficient operation.
• Compact package size for space-constrained designs.
• Thermal shutdown protection ensures device safety.

Disadvantages

• Limited maximum output current of 500mA.
• Input voltage range restricted to 2.5V to 6.5V.

Working Principles

The MIC37501-1.65WR operates based on the principle of a low-dropout voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The feedback mechanism continuously monitors the output voltage and adjusts the pass transistor accordingly to maintain the desired voltage level.

Detailed Application Field Plans

The MIC37501-1.65WR finds applications in various electronic devices, including but not limited to:

1. Mobile Phones: It can be used to regulate voltage for power-sensitive components such as processors and memory modules.
2. Portable Audio Players: The voltage regulator ensures stable power supply to audio amplifiers and digital-to-analog converters.
3. IoT Devices: It is suitable for low-power IoT devices that require precise voltage regulation.
4. Wearable Electronics: The compact size and low quiescent current make it ideal for wearable devices powered by batteries.

Detailed and Complete Alternative Models

1. MIC5205-1.8YM5: This LDO voltage regulator offers an output voltage of 1.8V with similar specifications.
2. LT1763CS8-1.65: Another alternative with a 1.65V output voltage and comparable performance characteristics.
3. TPS7A4901RGWT: This voltage regulator provides a 1.65V output and features ultra-low dropout voltage.

These alternative models offer similar functionality and can be considered as substitutes for the MIC37501-1.65WR.

In conclusion, the MIC37501-1.65WR is a high-performance voltage regulator with excellent accuracy and stability. Its compact size and low dropout voltage make it suitable for various applications in the electronics industry. However, its limited maximum output current and input voltage range should be taken into consideration during design.