S-1172B25-E6T1U

Product Overview

Category

S-1172B25-E6T1U belongs to the category of voltage regulators.

Use

This product is used to regulate and stabilize voltage levels in electronic circuits.

Characteristics

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage Range: 1.5V to 5.5V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 35µA (typical)
• Package Type: SOT-23-5
• Essence: Low dropout, low quiescent current voltage regulator
• Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel

Specifications

The specifications for S-1172B25-E6T1U are as follows:

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage Range: 1.5V to 5.5V
• Output Voltage Accuracy: ±2%
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 35µA (typical)
• Ripple Rejection Ratio: 70dB (typical)
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23-5

Detailed Pin Configuration

The pin configuration of S-1172B25-E6T1U is as follows:

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

Functional Features

The functional features of S-1172B25-E6T1U include:

• Low dropout voltage: The regulator can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Low quiescent current: The device consumes minimal current when in standby mode, resulting in improved energy efficiency.
• Overcurrent protection: The regulator has built-in protection mechanisms to prevent damage due to excessive current flow.
• Thermal shutdown protection: In case of overheating, the regulator automatically shuts down to avoid damage.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for flexibility in various applications.
• Low dropout voltage ensures efficient power conversion.
• Low quiescent current minimizes power consumption.
• Compact SOT-23-5 package enables space-saving designs.
• Overcurrent and thermal shutdown protection enhance reliability.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Output voltage accuracy of ±2% may not meet the requirements of precision circuits.

Working Principles

S-1172B25-E6T1U operates based on the principle of linear voltage regulation. It utilizes a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. When the input voltage exceeds the desired output voltage, the pass transistor reduces the voltage difference, maintaining a stable output voltage. Conversely, if the input voltage drops below the desired output voltage, the pass transistor adjusts its resistance to compensate for the voltage drop.

Detailed Application Field Plans

S-1172B25-E6T1U finds applications in various electronic devices and systems, including but not limited to:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices benefit from the low dropout voltage and low quiescent current of this voltage regulator.
2. IoT devices: Internet of Things (IoT) devices often operate on low voltages and require efficient power management. S-1172B25-E6T1U can provide stable voltage regulation in such applications.
3. Industrial control systems: The regulator's wide input voltage range and protection features make it suitable for use in industrial control systems, ensuring reliable power supply to critical components.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to S-1172B25-E6T1U include:

1. S-1172B33-E6T1U: A voltage regulator with an output voltage range of 1.5V to 3.3V and a maximum output current of 500mA.
2. S-1172B50-E6T1U: A voltage regulator with an output voltage range of 1.5V to 5.0V and a maximum output current of 500mA.
3. S-1172B33-I6T1U: A voltage regulator with an output voltage range of 1.5V to 3.3V and a maximum output current of 500mA, available in a different package type (SOT-89-5).

These alternative models