S-1206B51-M3T1G

Basic Information Overview

Category: Electronic Component
Use: Voltage Regulator
Characteristics: Small size, high efficiency, low power consumption
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: 5.1V ±2%
• Output Current: 150mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 50µA (typical)
• Line Regulation: 0.05% (typical)
• Load Regulation: 0.1% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1206B51-M3T1G has a total of five pins arranged in the following configuration:

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Pin 1: Input Voltage (VIN)
Pin 2: Ground (GND)
Pin 3: Enable (EN)
Pin 4: Bypass Capacitor (BP)
Pin 5: Output Voltage (VOUT)

Functional Features

• Low dropout voltage ensures stable output even with low input voltage.
• High efficiency results in minimal power dissipation.
• Built-in overcurrent protection safeguards the device and connected circuitry.
• Thermal shutdown feature prevents overheating.

Advantages and Disadvantages

Advantages: - Small size allows for space-saving integration into compact electronic devices. - High efficiency leads to longer battery life in portable applications. - Low power consumption reduces energy costs. - Overcurrent protection enhances system reliability.

Disadvantages: - Limited output current may not be suitable for high-power applications. - Narrow input voltage range restricts compatibility with certain systems.

Working Principles

The S-1206B51-M3T1G is a linear voltage regulator that maintains a stable output voltage of 5.1V, regardless of fluctuations in the input voltage. It achieves this by utilizing a pass transistor to regulate the voltage drop across it. The device operates by comparing the output voltage with a reference voltage and adjusting the pass transistor accordingly to maintain the desired output.

Detailed Application Field Plans

The S-1206B51-M3T1G finds application in various electronic devices where a stable 5.1V power supply is required. Some potential application fields include:

1. Mobile Phones: Powering audio amplifiers, display drivers, and other components.
2. Portable Media Players: Providing a reliable voltage source for audio decoding and signal processing.
3. Wearable Devices: Ensuring consistent power delivery to sensors, microcontrollers, and wireless modules.
4. IoT Devices: Supporting low-power sensors, communication modules, and microcontrollers.
5. Automotive Electronics: Regulating voltage for infotainment systems, lighting controls, and sensor circuits.

Detailed and Complete Alternative Models

1. S-1206B33-M3T1G: Output Voltage - 3.3V, Output Current - 150mA
2. S-1206B50-M3T1G: Output Voltage - 5.0V, Output Current - 150mA
3. S-1206B33-M5T1G: Output Voltage - 3.3V, Output Current - 300mA
4. S-1206B50-M5T1G: Output Voltage - 5.0V, Output Current - 300mA
5. S-1206B33-M6T1G: Output Voltage - 3.3V, Output Current - 500mA

These alternative models offer similar functionality and characteristics to the S-1206B51-M3T1G but with different output voltages and current ratings.

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