AP9101K-AFTRG1

Product Overview

• Category: Electronic Component
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, compact size
• Package: SOT-23-5
• Essence: Linear regulator with adjustable output voltage
• Packaging/Quantity: Tape and Reel / 3000 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.2V to 3.6V
• Output Current: Up to 100mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 50µA (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AP9101K-AFTRG1 has a SOT-23-5 package with the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. NC: No Connection
4. VOUT: Output Voltage
5. EN: Enable Pin

Functional Features

• Adjustable output voltage through external resistors
• Low dropout voltage for efficient power conversion
• Built-in thermal shutdown protection
• Short-circuit current limiting
• Low quiescent current for power-saving applications

Advantages and Disadvantages

Advantages: - High efficiency - Compact size - Wide input voltage range - Adjustable output voltage - Thermal shutdown protection

Disadvantages: - Limited output current (up to 100mA) - Dropout voltage of 200mV may not be suitable for all applications

Working Principles

The AP9101K-AFTRG1 is a linear voltage regulator that provides a stable output voltage regardless of input voltage fluctuations. It operates by using a pass transistor to regulate the output voltage based on a reference voltage and feedback mechanism. The adjustable output voltage feature allows users to set the desired voltage level by connecting external resistors.

Detailed Application Field Plans

The AP9101K-AFTRG1 is commonly used in various electronic devices and systems, including:

1. Battery-powered devices: Provides regulated voltage for portable electronics such as smartphones, tablets, and wearables.
2. IoT devices: Ensures stable power supply for sensors, microcontrollers, and communication modules.
3. Automotive applications: Supports voltage regulation in automotive electronics, including infotainment systems and lighting controls.
4. Industrial equipment: Used in control systems, motor drives, and instrumentation devices.
5. Home appliances: Provides voltage regulation for household appliances like smart thermostats, security systems, and audio/video equipment.

Detailed and Complete Alternative Models

• AP9101K-ADJ: Adjustable output voltage with higher current capability (up to 500mA)
• AP9101K-Fixed3.3: Fixed output voltage of 3.3V for specific applications
• AP9101K-LDO: Low dropout version with reduced dropout voltage (100mV)

These alternative models offer different features and specifications to cater to diverse application requirements.

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