S-1009N25I-M5T1U

Product Overview

Category

S-1009N25I-M5T1U belongs to the category of voltage regulators.

Use

This product is used to regulate voltage in electronic circuits.

Characteristics

• Package: SOT-23-5
• Essence: Low dropout voltage regulator
• Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

The specifications for S-1009N25I-M5T1U are as follows:

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage: 2.5V
• Output Current: 150mA
• Dropout Voltage: 160mV (typical)
• Quiescent Current: 30μA (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.3% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The pin configuration for S-1009N25I-M5T1U is as follows:

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

Functional Features

• Low dropout voltage: The S-1009N25I-M5T1U has a low dropout voltage, allowing it to regulate voltage even when the input voltage is close to the output voltage.
• Low quiescent current: The quiescent current of only 30μA ensures minimal power consumption when the regulator is in standby mode.
• Excellent line and load regulation: The S-1009N25I-M5T1U provides precise voltage regulation under varying input and output conditions.
• Thermal shutdown protection: The regulator includes a thermal shutdown feature that protects it from overheating.

Advantages and Disadvantages

Advantages

• Low dropout voltage enables efficient voltage regulation.
• Low quiescent current minimizes power consumption.
• Excellent line and load regulation ensure stable output voltage.
• Thermal shutdown protection prevents overheating.

Disadvantages

• Limited output current of 150mA may not be suitable for high-power applications.
• Input voltage range is limited to 2.0V to 6.0V.

Working Principles

The S-1009N25I-M5T1U operates based on the principle of a linear voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. When the input voltage exceeds the desired output voltage, the pass transistor reduces the resistance, allowing excess voltage to be dissipated as heat. Conversely, when the input voltage drops below the desired output voltage, the pass transistor increases the resistance to maintain a stable output voltage.

Detailed Application Field Plans

S-1009N25I-M5T1U finds applications in various electronic devices and circuits, including but not limited to:

1. Battery-powered devices: This voltage regulator can be used in portable electronic devices such as smartphones, tablets, and wearable devices to ensure stable voltage supply.
2. IoT devices: Internet of Things (IoT) devices often operate on low voltages and require efficient voltage regulation. The S-1009N25I-M5T1U can be employed in these devices to provide reliable power management.
3. Automotive electronics: With its wide operating temperature range and low dropout voltage, this regulator is suitable for automotive applications where stable voltage regulation is crucial.
4. Industrial control systems: The S-1009N25I-M5T1U can be utilized in industrial control systems to regulate voltage for sensors, actuators, and other electronic components.

Detailed and Complete Alternative Models

1. S-1009N25I-M5T1U: The model discussed in this entry.
2. S-1009N25I-M5T1G: Similar to the above model but available in a different packaging option (SOT-23-5).
3. S-1009N25I-M5T1R: This variant offers enhanced load regulation for applications with stricter voltage requirements.
4. S-1009N25I-M5T1V: A higher output voltage version of the regulator, suitable for specific applications requiring a different voltage level.

Note: The above list is not exhaustive, and there may be other alternative models available from the manufacturer or other suppliers.

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