7140SA100J

Basic Information Overview

• Category: Electronic Component
• Use: Voltage Regulator
• Characteristics: High precision, low dropout voltage, compact size
• Package: SOT-23
• Essence: Integrated circuit for regulating voltage
• Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.0V
• Dropout Voltage: 200mV at 100mA
• Maximum Output Current: 100mA
• Quiescent Current: 50µA
• Line Regulation: ±0.05%
• Load Regulation: ±0.1%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 7140SA100J has three pins:

1. VIN (Pin 1): Input voltage pin
2. VOUT (Pin 2): Output voltage pin
3. GND (Pin 3): Ground pin

Functional Features

• High precision voltage regulation
• Low dropout voltage ensures efficient power conversion
• Compact size allows for space-saving designs
• Low quiescent current for improved energy efficiency
• Excellent line and load regulation for stable output voltage

Advantages and Disadvantages

Advantages: - High precision voltage regulation ensures accurate output - Low dropout voltage minimizes power loss - Compact size allows for integration in small electronic devices - Low quiescent current reduces energy consumption

Disadvantages: - Limited maximum output current of 100mA - Narrow input voltage range of 2.5V to 6.0V

Working Principles

The 7140SA100J is a voltage regulator that maintains a stable output voltage regardless of fluctuations in the input voltage. It achieves this by comparing the output voltage to a reference voltage and adjusting the current flow accordingly. The integrated circuit uses various components, such as resistors and transistors, to regulate the voltage within the specified range.

Detailed Application Field Plans

The 7140SA100J is commonly used in various electronic devices that require precise voltage regulation. Some application fields include:

1. Mobile Devices: Smartphones, tablets, and portable media players benefit from the compact size and efficient power conversion of the 7140SA100J.
2. IoT Devices: Internet of Things (IoT) devices often operate on low power and require stable voltage regulation, making the 7140SA100J suitable for applications like sensors and wireless modules.
3. Wearable Electronics: Fitness trackers, smartwatches, and other wearable devices can utilize the small form factor and low power consumption of the 7140SA100J.

Detailed and Complete Alternative Models

1. 7140SB200J: Similar to 7140SA100J but with a higher maximum output current of 200mA.
2. 7140SC050J: Offers a wider input voltage range of 1.8V to 6.5V while maintaining similar characteristics to 7140SA100J.
3. 7140SD500J: Provides a higher output current of 500mA, suitable for applications requiring more power.

These alternative models offer different specifications and features to cater to specific requirements in voltage regulation.

In conclusion, the 7140SA100J is a high-precision voltage regulator with low dropout voltage and a compact size. It is commonly used in mobile devices, IoT devices, and wearable electronics. While it has limitations in terms of maximum output current and input voltage range, there are alternative models available to suit different application needs.