S-1172B42-E6T1G

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: SOT-23-5

Essence: The S-1172B42-E6T1G is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: The S-1172B42-E6T1G is typically sold in reels of 3000 units.

Specifications

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV (typical)
• Output Current: 100mA
• Quiescent Current: 30μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1172B42-E6T1G 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-1172B42-E6T1G has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• High Output Voltage Accuracy: This voltage regulator provides high output voltage accuracy, ensuring stable and precise voltage regulation.
• Low Quiescent Current: The quiescent current of the S-1172B42-E6T1G is very low, minimizing power consumption when the device is in standby mode.
• Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, which prevents damage due to excessive temperature.
• Short Circuit Current Limit: It has a built-in short circuit current limit feature that protects the IC and the connected circuitry from damage in case of a short circuit.
• Overcurrent Protection: The S-1172B42-E6T1G includes overcurrent protection, safeguarding against excessive current flow.

Advantages and Disadvantages

Advantages: - Stable output voltage regulation - Low dropout voltage - High output voltage accuracy - Low quiescent current consumption - Thermal shutdown protection - Short circuit and overcurrent protection

Disadvantages: - Limited output current capacity (100mA)

Working Principles

The S-1172B42-E6T1G operates as a linear voltage regulator. It uses a reference voltage and feedback mechanism to maintain a stable output voltage regardless of variations in the input voltage or load conditions. The internal circuitry adjusts the pass transistor to regulate the output voltage within the specified range.

Detailed Application Field Plans

The S-1172B42-E6T1G is commonly used in various electronic devices that require a stable and regulated power supply. Some typical application fields include: - Mobile phones - Portable media players - Digital cameras - Wireless communication devices - Battery-powered devices - IoT devices

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the S-1172B42-E6T1G are: - S-1172B33-E6T1U - S-1172B50-E6T1U - S-1172B25-E6T1U - S-1172B30-E6T1U

These models offer similar voltage regulation capabilities and package options, providing flexibility for different design requirements.

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