S-1721A1225-I6T1U

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 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 150mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1721A1225-I6T1U has a total of five pins arranged in the following configuration: 1. VIN: Input voltage pin 2. GND: Ground pin 3. EN: Enable pin 4. VOUT: Output voltage pin 5. CE: Capacitor connection pin for stability enhancement

Functional Features

• Low dropout voltage: The S-1721A1225-I6T1U exhibits a low dropout voltage of only 200mV at 100mA output current, ensuring efficient power conversion.
• Low quiescent current: With a quiescent current of only 50µA, this voltage regulator minimizes power consumption during standby or idle modes.
• Thermal shutdown protection: The IC incorporates thermal shutdown protection, preventing damage due to excessive temperature.
• Short-circuit protection: It features built-in short-circuit protection, safeguarding the IC and connected components from potential damage.

Advantages and Disadvantages

Advantages: - Compact package size (SOT-23-5) allows for space-efficient PCB design. - Wide input voltage range enables compatibility with various power sources. - Low dropout voltage ensures efficient power conversion. - Thermal and short-circuit protection enhance reliability.

Disadvantages: - Limited maximum output current (150mA) may not be suitable for high-power applications. - Operating temperature range (-40°C to +85°C) may restrict usage in extreme environments.

Working Principles

The S-1721A1225-I6T1U is a low dropout voltage regulator that regulates the input voltage to a stable output voltage. It utilizes a pass transistor to control the voltage drop across the regulator, ensuring the desired output voltage is maintained even when the input voltage fluctuates. The enable pin allows for easy on/off control of the regulator, conserving power during standby periods.

Detailed Application Field Plans

The S-1721A1225-I6T1U finds application in various electronic devices where stable voltage regulation is crucial. Some potential application fields include: 1. Battery-powered portable devices: This IC can efficiently regulate the battery voltage to power sensitive components such as microcontrollers, sensors, and display modules. 2. IoT devices: With its low quiescent current and compact package, it is suitable for powering IoT devices that require long battery life and small form factors. 3. Automotive electronics: The wide input voltage range and thermal protection make it suitable for automotive applications, such as infotainment systems, lighting controls, and engine management units.

Detailed and Complete Alternative Models

1. S-1711A1225-I6T1U: Similar to S-1721A1225-I6T1U but with a higher maximum output current of 300mA.
2. S-1701A1225-I6T1U: A lower dropout voltage regulator with an output voltage range of 0.8V to 5.5V.
3. S-1731A1225-I6T1U: A voltage regulator with an adjustable output voltage range and higher maximum output current of 500mA.

(Note: The above alternative models are provided for reference and may have different specifications and pin configurations. Please refer to the respective datasheets for detailed information.)

Word Count: 482