S-1009N19I-I4T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low Dropout Voltage Regulator
• Package: SOT-23-5
• Essence: Voltage Regulator IC
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 100mA
• Dropout Voltage: 160mV @ 100mA
• Quiescent Current: 30µA (typical)

Detailed Pin Configuration

The S-1009N19I-I4T1U has a total of five pins arranged as follows: 1. VIN: Input voltage pin 2. GND: Ground pin 3. EN: Enable pin 4. VOUT: Output voltage pin 5. NC: No connection pin

Functional Features

• Low dropout voltage: The S-1009N19I-I4T1U exhibits a low dropout voltage of only 160mV at 100mA output current, ensuring efficient power conversion.
• Low quiescent current: With a typical quiescent current of 30µA, this voltage regulator minimizes power consumption in standby or idle modes.
• Thermal shutdown protection: The IC incorporates thermal shutdown circuitry to prevent damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - Compact package size allows for space-saving integration into various electronic devices. - Wide input voltage range enables compatibility with different power sources. - Low dropout voltage ensures efficient power conversion even with small voltage differentials.

Disadvantages: - Limited maximum output current of 100mA may not be suitable for high-power applications. - Lack of adjustable output voltage limits flexibility in certain scenarios.

Working Principles

The S-1009N19I-I4T1U is a low dropout voltage regulator that regulates the input voltage to a stable output voltage. It utilizes a pass transistor and feedback circuitry to maintain the desired output voltage despite variations in the input voltage and load conditions. The enable pin allows for control of the regulator's operation, providing flexibility in power management.

Detailed Application Field Plans

The S-1009N19I-I4T1U finds application in various electronic devices where stable voltage regulation is crucial. Some potential application fields include: - Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices can benefit from the low dropout voltage and low quiescent current of this IC. - IoT devices: Internet of Things (IoT) devices often operate on limited power sources and require efficient power management. The S-1009N19I-I4T1U can provide stable voltage regulation in these applications. - Industrial equipment: Control systems, sensors, and other industrial equipment often require precise and reliable voltage regulation, making this IC suitable for such applications.

Detailed and Complete Alternative Models

• S-1009N19I-M5T1U: Similar specifications and features but available in a different package (SOT-23-5).
• S-1009N19I-I4T2U: Higher maximum output current of 200mA but with slightly higher dropout voltage.
• S-1009N19I-I3T1U: Lower quiescent current of 10µA but with a narrower input voltage range.

(Note: The above alternative models are provided for reference and may have slight differences in specifications and characteristics.)

This entry provides comprehensive information about the S-1009N19I-I4T1U voltage regulator IC. Its low dropout voltage, compact package, and wide input voltage range make it suitable for various applications in power management.