AP2138N-1.4TRG1

Product Overview

Category

AP2138N-1.4TRG1 belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• Package: The AP2138N-1.4TRG1 comes in a compact SOT-23 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 AP2138N-1.4TRG1 has the following specifications:

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 1.4V
• Maximum Output Current: 300mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 45µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AP2138N-1.4TRG1 has three pins:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground reference pin.
3. VOUT (Pin 3): Regulated output voltage pin.

Functional Features

The AP2138N-1.4TRG1 offers the following functional features:

• Low dropout voltage: Enables efficient regulation even when the input voltage is close to the desired output voltage.
• Low quiescent current: Helps minimize power consumption in standby or low-load conditions.
• Overcurrent protection: Safeguards the circuit by limiting the output current during fault conditions.
• Thermal shutdown protection: Prevents damage due to excessive temperature by shutting down the regulator temporarily.

Advantages and Disadvantages

Advantages: - Compact package size allows for space-saving designs. - Wide input voltage range provides flexibility in various applications. - Low dropout voltage ensures efficient regulation even with low input-output differentials.

Disadvantages: - Limited maximum output current may restrict usage in high-power applications. - Operating temperature range may not be suitable for extreme environments.

Working Principles

The AP2138N-1.4TRG1 operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This ensures that the output voltage remains stable despite variations in the input voltage or load conditions.

Detailed Application Field Plans

The AP2138N-1.4TRG1 finds application in various electronic devices, including but not limited to:

1. Battery-powered portable devices: Provides regulated voltage for microcontrollers, sensors, and other components.
2. IoT devices: Enables stable power supply for wireless modules, sensors, and communication interfaces.
3. Automotive electronics: Suitable for powering sensors, actuators, and control circuits in automotive applications.
4. Industrial automation: Used in control systems, motor drives, and instrumentation equipment.

Detailed and Complete Alternative Models

1. AP2112N-1.5TRG1: Similar voltage regulator with a fixed output voltage of 1.5V.
2. AP2204K-1.8TRG1: Voltage regulator with a fixed output voltage of 1.8V and higher maximum output current.
3. AP63200-3.3TRG1: Adjustable voltage regulator with an output voltage range of 1.2V to 3.6V.

These alternative models offer similar functionality and can be considered based on specific requirements.

In conclusion, the AP2138N-1.4TRG1 is a compact voltage regulator with a fixed output voltage of 1.4V. It provides stable voltage regulation, low dropout voltage, and low quiescent current. While it has limitations in terms of maximum output current and operating temperature range, it finds application in various electronic devices across different industries. Alternative models with different specifications are also available to suit specific needs.