S-1009N40I-M5T1U

Product Overview

Category

S-1009N40I-M5T1U belongs to the category of voltage regulators.

Use

This product is used for regulating 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 of S-1009N40I-M5T1U are as follows:

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV (typical) at 100mA
• Output Current: 100mA (maximum)
• 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 of S-1009N40I-M5T1U is as follows:

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

Functional Features

• Low dropout voltage: The S-1009N40I-M5T1U has a low dropout voltage, allowing it to regulate voltage efficiently even when the input voltage is close to the desired output voltage.
• Low quiescent current: With a quiescent current of only 30µA, this voltage regulator minimizes power consumption when the load is light.
• Excellent line and load regulation: The S-1009N40I-M5T1U provides precise voltage regulation, maintaining a stable output voltage even with variations in input voltage and load conditions.
• Thermal shutdown protection: This product includes thermal shutdown protection to prevent damage from excessive heat.

Advantages and Disadvantages

Advantages

• Low dropout voltage ensures efficient voltage regulation.
• Low quiescent current minimizes power consumption.
• Excellent line and load regulation for stable output voltage.
• Thermal shutdown protection prevents damage from overheating.

Disadvantages

• Limited maximum output current of 100mA.

Working Principles

The S-1009N40I-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. The internal circuitry compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

S-1009N40I-M5T1U finds applications in various electronic devices and circuits that require regulated voltage. Some potential application fields include:

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 from the battery.
2. IoT devices: Internet of Things (IoT) devices often operate on low voltages and require precise voltage regulation. S-1009N40I-M5T1U can be employed in IoT sensors, smart home devices, and other connected devices.
3. Automotive electronics: With its wide operating temperature range, this voltage regulator is suitable for automotive applications, including infotainment systems, navigation devices, and engine control units.

Detailed and Complete Alternative Models

1. S-1009N33I-M5T1U: Similar to S-1009N40I-M5T1U but with an output voltage range of 1.2V to 3.3V.
2. S-1009N50I-M5T1U: Similar to S-1009N40I-M5T1U but with an output voltage range of 1.2V to 5.0V.
3. S-1009N25I-M5T1U: Similar to S-1009N40I-M5T1U but with an output voltage range of 1.2V to 2.5V.

These alternative models provide similar functionality but with different output voltage ranges to cater to specific application requirements.

In conclusion, S-1009N40I-M5T1U is a low dropout voltage regulator that offers efficient voltage regulation, low power consumption, and excellent line and load regulation. Its applications span across various electronic devices and circuits, making it a versatile choice for voltage regulation needs.