AP7381-28Y-13

Product Overview

Category

AP7381-28Y-13 belongs to the category of voltage regulators.

Use

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

Characteristics

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 2.8V
• Maximum Output Current: 300mA
• Dropout Voltage: 200mV (typical)
• Low Quiescent Current: 30μA (typical)
• Package Type: SOT-23-5
• Operating Temperature Range: -40°C to +85°C

Packaging/Quantity

The AP7381-28Y-13 is typically packaged in reels or tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 2.8V ±2%
• Output Current: Up to 300mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 30μA (typical)
• Line Regulation: 0.05% (typical)
• Load Regulation: 0.1% (typical)
• Ripple Rejection Ratio: 70dB (typical)
• Thermal Shutdown Protection: Yes
• Short Circuit Protection: Yes
• Package Type: SOT-23-5
• Dimensions: 2.9mm x 1.6mm x 1.3mm
• Weight: 0.02g

Detailed Pin Configuration

The AP7381-28Y-13 has five pins arranged as follows:

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Pin 1: Enable (EN) Pin 2: Ground (GND) Pin 3: Output (OUT) Pin 4: Not Connected (NC) Pin 5: Input (IN)

Functional Features

• Low dropout voltage for efficient regulation.
• Low quiescent current for power-saving applications.
• Thermal shutdown protection to prevent overheating.
• Short circuit protection to safeguard the device and connected components.

Advantages

• Wide input voltage range allows for versatile applications.
• Small package size enables space-saving designs.
• Excellent line and load regulation for stable output voltage.
• High ripple rejection ratio ensures clean output signal.

Disadvantages

• Limited maximum output current of 300mA may not be suitable for high-power applications.
• Dropout voltage of 200mV may affect efficiency in low voltage scenarios.

Working Principles

The AP7381-28Y-13 is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage, adjusting the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The AP7381-28Y-13 can be used in various electronic devices and circuits, including: - Battery-powered devices - Portable audio players - Wearable devices - IoT modules - Embedded systems

Detailed and Complete Alternative Models

Some alternative models to the AP7381-28Y-13 include: - AP7380-28Y-13: Similar specifications but with a different package type (SOT-89-5). - AP7361-28Y-13: Higher maximum output current (600mA) but with a slightly higher dropout voltage (250mV).

In conclusion, the AP7381-28Y-13 is a voltage regulator with a wide input voltage range, low dropout voltage, and low quiescent current. It offers excellent line and load regulation, making it suitable for various applications in battery-powered devices, portable audio players, wearable devices, IoT modules, and embedded systems. While it has limitations in terms of maximum output current and dropout voltage, there are alternative models available to suit different requirements.