AP2128K-1.5TRG1

Product Overview

Category

AP2128K-1.5TRG1 belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• Package: The AP2128K-1.5TRG1 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 following are the specifications of AP2128K-1.5TRG1:

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 1.5V
• Maximum Output Current: 150mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AP2128K-1.5TRG1 has three pins:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin

Functional Features

The key functional features of AP2128K-1.5TRG1 include:

• Low dropout voltage: The regulator maintains a stable output voltage even when the input voltage is close to the desired output voltage.
• Low quiescent current: It consumes minimal current when in standby mode, resulting in improved energy efficiency.
• Overcurrent protection: The device includes built-in protection against excessive current, safeguarding the circuitry from damage.

Advantages and Disadvantages

Advantages

• Compact size and easy integration into various electronic devices.
• Stable and regulated output voltage ensures reliable performance of connected components.
• Low quiescent current minimizes power consumption.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Dropout voltage may cause a slight decrease in efficiency.

Working Principles

AP2128K-1.5TRG1 operates based on the principle of linear voltage regulation. It utilizes a pass transistor to regulate the output voltage by adjusting the resistance between the input and output pins. This ensures that the output voltage remains constant, even when the input voltage fluctuates.

Detailed Application Field Plans

AP2128K-1.5TRG1 finds application in various electronic devices and circuits, including but not limited to:

1. Battery-powered devices: It can be used to regulate voltage in portable electronics such as smartphones, tablets, and wearable devices.
2. IoT devices: AP2128K-1.5TRG1 is suitable for voltage regulation in Internet of Things (IoT) devices, ensuring stable operation.
3. Automotive electronics: It can be employed in automotive applications, such as infotainment systems or engine control units, to maintain consistent voltage levels.

Detailed and Complete Alternative Models

Some alternative models to AP2128K-1.5TRG1 include:

1. AP2112K-1.5TRG1: Similar voltage regulator with a slightly different package.
2. AP2204K-1.5TRG1: Voltage regulator with higher maximum output current.
3. AP2138K-1.5TRG1: Voltage regulator with lower dropout voltage.

These alternatives offer similar functionality but may have variations in package type, output current, or dropout voltage.

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