S-1701A1815-M5T1G

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output voltage accuracy - Low quiescent current - Overcurrent protection - Thermal shutdown protection

Package: SOT-23-5

Essence: The S-1701A1815-M5T1G is a voltage regulator IC designed to provide a stable output voltage for various electronic devices.

Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage: 1.8V
• Dropout Voltage: 200mV @ 100mA
• Quiescent Current: 30μA
• Line Regulation: ±0.02%/V
• Load Regulation: ±0.05%/mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1701A1815-M5T1G has the following pin configuration:

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-1701A1815-M5T1G exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• High Output Voltage Accuracy: This voltage regulator provides a highly accurate output voltage of 1.8V, making it suitable for applications requiring precise voltage levels.
• Low Quiescent Current: With a quiescent current of only 30μA, the S-1701A1815-M5T1G minimizes power consumption and extends battery life in portable devices.
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the connected circuitry from excessive current flow.
• Thermal Shutdown Protection: In case of excessive temperature rise, the S-1701A1815-M5T1G features thermal shutdown protection, preventing damage to the device.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation - High output voltage accuracy for precise applications - Low quiescent current for reduced power consumption - Overcurrent and thermal shutdown protection enhance reliability

Disadvantages: - Limited input voltage range (2.5V - 6.0V) - Only available in a specific output voltage (1.8V)

Working Principles

The S-1701A1815-M5T1G operates as a linear voltage regulator. It compares the output voltage with a reference voltage and adjusts the pass transistor to maintain a stable output voltage. When the input voltage drops close to the desired output voltage, the dropout voltage becomes significant, but the regulator compensates for this by adjusting the pass transistor accordingly.

Detailed Application Field Plans

The S-1701A1815-M5T1G is suitable for various applications that require a stable 1.8V power supply. Some potential application fields include:

1. Mobile Devices: Smartphones, tablets, and portable media players often require a regulated 1.8V supply for powering internal components such as microprocessors, memory modules, and display drivers.
2. IoT Devices: Internet of Things (IoT) devices, including sensors, wearables, and home automation systems, can benefit from the S-1701A1815-M5T1G's low quiescent current and high output voltage accuracy.
3. Industrial Control Systems: The voltage regulator can be used in industrial control systems to provide a stable power source for microcontrollers, sensors, and other electronic components.
4. Automotive Electronics: In automotive applications, the S-1701A1815-M5T1G can be employed to regulate voltage for various subsystems, such as infotainment systems, engine control units, and lighting modules.

Detailed and Complete Alternative Models

1. S-1701A1815-M5T1U: Similar to the S-1701A1815-M5T1G, but available in a different package (SOT-89-5).
2. S-1701A1815-M5T2G: Provides the same functionality as the S-1701A1815-M5T1G but with an output voltage of 2.5V.
3. S-1701A1815-M5T3G: Another alternative with an output voltage of 3.3V, suitable for applications requiring a higher voltage level.

These alternative models offer similar features and characteristics, allowing users to choose the most appropriate option based on