S-1172B29-E6T1U

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: This IC is a low dropout voltage regulator that provides 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 to 6.0V
• Output Voltage Range: 1.2V to 5.0V
• Output Current: Up to 500mA
• Dropout Voltage: 200mV (typical) at 100mA load
• Quiescent Current: 45µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1172B29-E6T1U IC has the following pin configuration:

```

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| | --| V IN|-- Pin 1 (Input Voltage) --| GND |-- Pin 2 (Ground) --| V OUT|-- Pin 3 (Output Voltage) --| NC |-- Pin 4 (No Connection) --| EN |-- Pin 5 (Enable) |____| ```

Functional Features

• Low Dropout Voltage: The IC maintains a stable output voltage even when the input voltage is close to the desired output voltage, resulting in efficient power conversion.
• High Output Voltage Accuracy: Provides precise and reliable output voltage regulation, ensuring consistent performance of connected devices.
• Low Quiescent Current: The IC consumes minimal current when in standby mode, conserving power and extending battery life.
• Overcurrent Protection: Safeguards the IC and connected devices by limiting the output current to a safe level during abnormal conditions.
• Thermal Shutdown Protection: Automatically shuts down the IC if the temperature exceeds the specified limit, preventing damage due to overheating.

Advantages

• Reliable voltage regulation for various electronic devices
• Low dropout voltage ensures efficient power conversion
• High output voltage accuracy guarantees consistent performance
• Low quiescent current extends battery life
• Overcurrent and thermal shutdown protection enhance safety

Disadvantages

• Limited output current capacity (up to 500mA)
• Not suitable for high-power applications

Working Principles

The S-1172B29-E6T1U is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage. The dropout voltage is minimized by utilizing a low resistance pass element.

Detailed Application Field Plans

The S-1172B29-E6T1U is widely used in various electronic devices that require stable and regulated power supply, such as: - Mobile phones - Portable media players - Digital cameras - Wireless communication devices - Battery-powered devices

Detailed and Complete Alternative Models

• S-1172B28-E6T1U
• S-1172B30-E6T1U
• S-1172B31-E6T1U
• S-1172B32-E6T1U

These alternative models offer similar functionality and characteristics, providing flexibility in design and application.

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