S-1206B43-U3T1G

Basic Information Overview

• Category: Electronic Component
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Efficiency
• Package: SOT-23-5
• Essence: Regulates voltage to a stable level
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage: 4.3V
• Maximum Output Current: 200mA
• Dropout Voltage: 200mV @ 100mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed 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 ensures efficient power conversion.
• Stable output voltage of 4.3V regardless of input voltage fluctuations.
• Enable pin allows for easy on/off control of the regulator.
• Small package size (SOT-23-5) makes it suitable for space-constrained applications.

Advantages

• High efficiency results in minimal power dissipation.
• Wide input voltage range provides flexibility in various applications.
• Low quiescent current prolongs battery life in portable devices.
• Easy integration due to compact package size.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• No thermal shutdown feature, which could be a concern in certain scenarios.

Working Principles

The S-1206B43-U3T1G is a voltage regulator that maintains a stable output voltage of 4.3V, regardless of variations in the input voltage. It achieves this by utilizing a feedback mechanism that continuously adjusts the internal circuitry to compensate for changes in the input voltage. The regulator operates by comparing the output voltage with a reference voltage and adjusting the internal components accordingly.

Detailed Application Field Plans

The S-1206B43-U3T1G is commonly used in various electronic devices where a stable voltage supply is required. Some typical application fields include: 1. Battery-powered devices: It ensures a constant voltage supply to sensitive components, such as microcontrollers or sensors, even as the battery voltage decreases. 2. Portable audio players: The regulator maintains a steady voltage for audio amplifiers, resulting in consistent sound quality. 3. IoT devices: It provides a reliable power source for sensors, enabling accurate data collection and transmission. 4. Automotive electronics: The regulator stabilizes voltage for various automotive systems, including infotainment systems and engine control units.

Detailed and Complete Alternative Models

1. S-1206B33-U3T1G: Similar to S-1206B43-U3T1G but with an output voltage of 3.3V.
2. S-1206B50-U3T1G: Similar to S-1206B43-U3T1G but with an output voltage of 5.0V.
3. S-1206B25-U3T1G: Similar to S-1206B43-U3T1G but with an output voltage of 2.5V.

These alternative models provide different output voltage options to suit specific application requirements.

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