S-1172B13-U5T1G

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: Linear voltage regulator
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV (typical) at 100mA load current
• Output Current: 100mA
• Quiescent Current: 30µA (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.3% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1172B13-U5T1G has a total of five pins in the SOT-23-5 package. The pin configuration is as follows:

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Pin 1: VIN - Input voltage pin Pin 2: GND - Ground pin Pin 3: NC - No connection Pin 4: VOUT - Output voltage pin Pin 5: CE - Chip enable pin

Functional Features

• Low dropout voltage ensures stable output even when the input voltage is close to the desired output voltage.
• High output voltage accuracy provides precise voltage regulation for sensitive electronic components.
• Low quiescent current minimizes power consumption, making it suitable for battery-powered applications.
• Overcurrent protection safeguards the regulator and connected devices from excessive current flow.
• Thermal shutdown protection prevents overheating and potential damage to the IC.

Advantages and Disadvantages

Advantages: - Compact SOT-23-5 package allows for space-efficient designs. - Wide input voltage range enables compatibility with various power sources. - Excellent line and load regulation ensure stable output under different operating conditions.

Disadvantages: - Limited output current of 100mA may not be sufficient for high-power applications. - The absence of adjustable output voltage limits flexibility in certain scenarios.

Working Principles

The S-1172B13-U5T1G is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage. Any deviation from the desired output voltage causes the control circuitry to adjust the pass transistor's resistance, maintaining a stable output voltage.

Detailed Application Field Plans

The S-1172B13-U5T1G is commonly used in various electronic devices and systems, including but not limited to: - Battery-powered portable devices - Mobile phones and smartphones - Digital cameras - Portable media players - Wireless communication modules - IoT (Internet of Things) devices - Wearable technology

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the S-1172B13-U5T1G include: - LM1117-3.3: A popular voltage regulator with a fixed 3.3V output voltage. - MCP1700: Low quiescent current LDO regulator available in various output voltage options. - TS2940: Low dropout voltage regulator with adjustable output voltage.

These alternative models provide designers with options based on specific requirements and constraints.

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