S-1172B19-E6T1G

Product Overview

Category

S-1172B19-E6T1G belongs to the category of voltage regulators.

Use

This product is commonly used for voltage regulation in electronic circuits.

Characteristics

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV (typical)
• Low Quiescent Current: 30µA (typical)
• Package Type: SOT-23-5
• Operating Temperature Range: -40°C to +85°C

Package and Quantity

The S-1172B19-E6T1G comes in a SOT-23-5 package. It is typically sold in reels containing a quantity of 3000 units.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Output Current: Up to 500mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 30µA (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Ripple Rejection Ratio: 70dB (typical)
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23-5

Detailed Pin Configuration

The S-1172B19-E6T1G has the following pin configuration:

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

Functional Features

• Low dropout voltage for efficient voltage regulation.
• Wide input voltage range allows for versatile applications.
• Low quiescent current ensures minimal power consumption.
• Excellent line and load regulation for stable output voltage.
• High ripple rejection ratio minimizes noise interference.

Advantages and Disadvantages

Advantages

• Wide input voltage range enables compatibility with various power sources.
• Low dropout voltage ensures efficient power conversion.
• Compact SOT-23-5 package allows for space-saving integration.
• Low quiescent current reduces power consumption in standby mode.
• Excellent line and load regulation provides stable output voltage.

Disadvantages

• Limited maximum output current of 500mA may not be suitable for high-power applications.
• No thermal shutdown feature, which could be a concern in certain operating conditions.

Working Principles

The S-1172B19-E6T1G is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage from the output, adjusting the pass transistor accordingly to maintain a stable output voltage. The dropout voltage is minimized to ensure efficient voltage regulation even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

The S-1172B19-E6T1G can be applied in various electronic systems requiring voltage regulation. Some potential application fields include:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices can benefit from the S-1172B19-E6T1G's low quiescent current and wide input voltage range.

2. Industrial automation: Control systems, sensors, and actuators often require stable and regulated power supplies. The S-1172B19-E6T1G can provide reliable voltage regulation in these applications.

3. Automotive electronics: With its wide operating temperature range and compact package, the S-1172B19-E6T1G is suitable for automotive applications such as infotainment systems, lighting controls, and engine management units.

Detailed and Complete Alternative Models

1. S-1172B18-E6T1G: Similar to the S-1172B19-E6T1G, but with a lower output voltage range of 1.2V to 4.5V.
2. S-1172B20-E6T1G: Similar to the S-1172B19-E6T1G, but with a higher output voltage range of 1.2V to 6.0V.
3. S-1172B21-E6T1G: Similar to the S-1172B19-E6T1G, but with a higher maximum output current of 800mA.

These alternative models offer similar functionality with slight variations in output voltage range and maximum output current, allowing users to choose the most suitable option for their specific requirements.

In conclusion, the S-1172B19-E6T1G is a voltage regulator