APL111-1REG4-61-251

Product Category: Integrated Circuit

Use: APL111-1REG4-61-251 is a voltage regulator designed to provide a stable output voltage for various electronic applications.

Characteristics: This voltage regulator offers high precision, low dropout voltage, and low quiescent current, making it suitable for battery-powered devices and other low-power applications. It comes in a small form factor and is designed for easy integration into electronic circuits.

Package: The APL111-1REG4-61-251 is available in a compact surface-mount package, which enhances its suitability for space-constrained designs.

Essence: The essence of APL111-1REG4-61-251 lies in its ability to efficiently regulate input voltages to a stable output, ensuring reliable performance of electronic systems.

Packaging/Quantity: The APL111-1REG4-61-251 is typically supplied in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications:

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 1.8V
• Maximum Output Current: 100mA
• Dropout Voltage: 150mV at 50mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration:

The APL111-1REG4-61-251 features a standard 5-pin SOT-23 package with the following pin configuration:

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

Functional Features:

• Low Dropout Voltage: Ensures efficient regulation even when the input voltage is close to the output voltage.
• Low Quiescent Current: Minimizes power consumption, making it suitable for battery-operated devices.
• Thermal Shutdown Protection: Safeguards the device from overheating, enhancing reliability.

Advantages:

• High Precision: Provides accurate and stable output voltage.
• Small Form Factor: Enables integration into space-constrained designs.
• Low Power Consumption: Ideal for energy-efficient applications.

Disadvantages:

• Limited Output Current: Not suitable for high-power applications.
• Narrow Input Voltage Range: May not be compatible with certain power sources.

Working Principles:

The APL111-1REG4-61-251 utilizes a feedback control mechanism to maintain a constant output voltage despite variations in the input voltage and load conditions. This is achieved through internal circuitry that adjusts the pass transistor to regulate the output voltage within specified limits.

Detailed Application Field Plans:

• Portable Electronics: APL111-1REG4-61-251 can be used in handheld devices, such as smartphones and portable media players, to ensure stable power supply for sensitive components.
• IoT Devices: Its low power consumption makes it suitable for IoT sensors and low-power wireless modules.
• Wearable Technology: APL111-1REG4-61-251 can support the power requirements of wearable devices, such as fitness trackers and smartwatches.

Detailed and Complete Alternative Models:

• APL111-1REG4-61-252: Similar specifications with a different output voltage.
• APL112-1REG4-61-251: Higher output current capability with slightly higher dropout voltage.

In conclusion, the APL111-1REG4-61-251 is a versatile voltage regulator offering precise and efficient voltage regulation for a wide range of electronic applications, especially those requiring low power consumption and compact design.

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