AP2138R-1.5TRG1

Product Overview

Category

AP2138R-1.5TRG1 belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• Package: The AP2138R-1.5TRG1 comes in a compact SOT-23-5 package.
• Essence: This voltage regulator is designed to provide stable and regulated output voltage.
• Packaging/Quantity: It is typically available in reels or tubes, with varying quantities depending on the supplier.

Specifications

The AP2138R-1.5TRG1 has the following specifications:

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 1.5V
• Output Current: Up to 300mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 45µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The AP2138R-1.5TRG1 has a standard SOT-23-5 pin configuration:

```

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| | --| |-- VIN (Input Voltage) --| |-- GND (Ground) --| |-- EN (Enable) --| |-- VOUT (Output Voltage) |____| ```

Functional Features

• Low Dropout Voltage: The AP2138R-1.5TRG1 exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: With a low quiescent current, this voltage regulator minimizes power consumption when in standby or idle mode.
• Thermal Shutdown Protection: The device incorporates thermal shutdown protection, preventing damage due to excessive temperature.

Advantages and Disadvantages

Advantages

• Compact package size allows for easy integration into space-constrained designs.
• Low dropout voltage ensures efficient regulation even with low input voltages.
• Low quiescent current minimizes power consumption in standby mode.

Disadvantages

• Limited output current capacity of up to 300mA may not be sufficient for high-power applications.
• The operating temperature range of -40°C to +85°C may restrict its use in extreme temperature environments.

Working Principles

The AP2138R-1.5TRG1 is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It compares the feedback voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The AP2138R-1.5TRG1 finds application in various electronic devices, including but not limited to: - Battery-powered devices - Portable audio players - Wearable devices - IoT modules - Embedded systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to AP2138R-1.5TRG1 are: - LM1117-1.5 - MCP1700-1502E/TO - LP2985-1.5

These models offer similar voltage regulation capabilities and can be suitable replacements depending on specific requirements.

In conclusion, the AP2138R-1.5TRG1 is a compact voltage regulator with low dropout voltage and quiescent current. It provides stable and regulated output voltage, making it suitable for various electronic applications. However, its limited output current capacity and operating temperature range should be taken into consideration when selecting this device.