S-1172B32-E6T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • Low dropout voltage
  • High output voltage accuracy
  • Low quiescent current
  • Small package size
• Package: SOT-23-5
• Essence: Voltage regulation for electronic devices
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.0V 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-1172B32-E6T1U has a total of five pins arranged as follows:

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Pin 1: VIN (Input Voltage) Pin 2: GND (Ground) Pin 3: NC (No Connection) Pin 4: VOUT (Output Voltage) Pin 5: CE (Control Enable)

Functional Features

• Low dropout voltage ensures stable output even with low input voltage.
• High output voltage accuracy provides precise voltage regulation.
• Low quiescent current minimizes power consumption in standby mode.
• Small package size allows for space-efficient designs.

Advantages

• Wide input voltage range enables compatibility with various power sources.
• Excellent line and load regulation ensures consistent output voltage.
• Low quiescent current prolongs battery life in portable devices.
• Small package size facilitates integration into compact electronic systems.

Disadvantages

• Limited output current of 100mA may not be sufficient for high-power applications.
• No thermal shutdown feature, which could lead to overheating if not properly managed.

Working Principles

The S-1172B32-E6T1U is a linear voltage regulator that uses a PNP transistor as the pass element. It regulates the output voltage by adjusting the resistance between the input and output terminals. When the input voltage exceeds the desired output voltage, the pass element reduces the resistance, allowing excess voltage to be dissipated as heat. Conversely, when the input voltage drops below the desired output voltage, the pass element increases the resistance to maintain a stable output voltage.

Detailed Application Field Plans

The S-1172B32-E6T1U is commonly used in various electronic devices that require stable and regulated power supply voltages. Some typical application fields include: - Battery-powered devices (e.g., smartphones, tablets, portable media players) - Wireless communication systems - Industrial control systems - Automotive electronics - Medical equipment

Detailed and Complete Alternative Models

• S-1172B33-E6T1U: Similar specifications but with an adjustable output voltage range.
• S-1172B31-E6T1U: Lower dropout voltage and higher output current capability.
• S-1172B30-E6T1U: Higher output voltage range and lower quiescent current.

(Note: This list is not exhaustive and other alternative models may exist.)

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