S-1009N28I-M5T1U

Product Overview

Category

S-1009N28I-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-1009N28I-M5T1U are as follows:

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage: 2.8V ±2%
• Maximum 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 of S-1009N28I-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-1009N28I-M5T1U has a low dropout voltage, allowing it to regulate voltage efficiently even when the input voltage is close to the output voltage.
• Low quiescent current: With a quiescent current of only 30µA, this voltage regulator minimizes power consumption in standby or idle modes.
• Excellent line and load regulation: The S-1009N28I-M5T1U provides stable output voltage despite variations in input voltage or load conditions.
• Thermal shutdown protection: This product includes a thermal shutdown feature that protects the regulator from overheating.

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 overheating.

Disadvantages

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

Working Principles

The S-1009N28I-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 regulator 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-1009N28I-M5T1U finds application in various electronic devices and circuits, including but not limited to:

1. Battery-powered devices: This voltage regulator is suitable for portable electronic devices powered by batteries, such as smartphones, tablets, and wearable devices.
2. IoT (Internet of Things) devices: With its low quiescent current and small package size, the S-1009N28I-M5T1U is ideal for IoT devices that require efficient power management.
3. Automotive electronics: The regulator's wide operating temperature range makes it suitable for automotive applications, including infotainment systems, sensors, and control modules.

Detailed and Complete Alternative Models

1. S-1009N28I-M5T1U-TR: Similar to S-1009N28I-M5T1U, but available in tape and reel packaging with 3000 units per reel.
2. S-1009N28I-M5T1G: This alternative model has the same specifications and features as S-1009N28I-M5T1U but comes in a different package (SOT-23-5).

Note: Please refer to the manufacturer's datasheet for a comprehensive list of alternative models.

In conclusion, S-1009N28I-M5T1U is a low dropout voltage regulator with excellent line and load regulation. It offers advantages such as low quiescent current and thermal shutdown protection. However, it has limitations in terms of maximum output current and input voltage range. This product finds application in battery-powered devices, IoT devices, and automotive electronics. Alternative models like S-1009N28I-M5T1U-TR and S-1009N28I-M5T1G provide additional options for packaging and form factor.