S-1206B18-U3T1G

Basic Information Overview

Category: Electronic Component
Use: Voltage Regulator
Characteristics: Low Dropout, High Efficiency
Package: SOT-23-5
Essence: Linear Regulator
Packaging/Quantity: Tape and Reel / 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 18V
• Output Voltage: 1.8V
• Output Current: 200mA
• Dropout Voltage: 250mV at 100mA
• Line Regulation: ±0.05% typical
• Load Regulation: ±0.1% typical
• Quiescent Current: 50µA typical
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1206B18-U3T1G has a total of five pins in the SOT-23-5 package. The pin configuration is as follows:

1. VIN (Input Voltage)
2. GND (Ground)
3. NC (No Connection)
4. VOUT (Output Voltage)
5. EN (Enable)

Functional Features

• Low dropout voltage ensures efficient power conversion.
• High output current capability of 200mA allows for various applications.
• Excellent line and load regulation provide stable output voltage.
• Wide input voltage range makes it suitable for different power sources.
• Enable pin allows for easy on/off control.

Advantages and Disadvantages

Advantages: - Low dropout voltage results in high efficiency. - Small package size enables space-saving designs. - Wide operating temperature range enhances versatility. - Good line and load regulation ensure stable performance.

Disadvantages: - Limited output current may not be sufficient for high-power applications. - No thermal shutdown feature, which may affect reliability in certain conditions.

Working Principles

The S-1206B18-U3T1G is a linear regulator that regulates the output voltage by dissipating excess power as heat. It operates by comparing the reference voltage with the feedback voltage and adjusting the pass transistor accordingly. This ensures a stable output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The S-1206B18-U3T1G is commonly used in various electronic devices, including but not limited to:

1. Battery-powered portable devices: Provides a stable voltage supply for microcontrollers, sensors, and other low-power components.
2. Communication systems: Ensures reliable power delivery to RF modules, transceivers, and signal processing circuits.
3. Industrial control systems: Suitable for powering analog and digital control circuits, sensors, and actuators.
4. Automotive electronics: Used in automotive infotainment systems, lighting controls, and engine management units.
5. Medical equipment: Provides regulated power to medical sensors, monitoring devices, and diagnostic tools.

Detailed and Complete Alternative Models

1. S-1206B18-M3T1G: Similar specifications and pin configuration, but with an output voltage of 3.3V.
2. S-1206B18-L3T1G: Similar specifications and pin configuration, but with an output voltage of 1.2V.
3. S-1206B18-H3T1G: Similar specifications and pin configuration, but with an output voltage of 5V.

These alternative models offer different output voltages to cater to specific application requirements while maintaining similar characteristics and package options.

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