S-1206B40-U3T1U

Basic Information Overview

• Category: Electronic Component
• Use: Voltage Regulator
• Characteristics: Low dropout, high accuracy, small package size
• Package: SOT-23-5
• Essence: Step-down voltage regulator
• Packaging/Quantity: Tape and Reel / 3000 units per reel

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage: 3.3V
• Maximum Output Current: 200mA
• Dropout Voltage: 200mV (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.5% (typical)
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. FB: Feedback Pin
5. VOUT: Output Voltage

Functional Features

• Low dropout voltage ensures efficient power conversion.
• High accuracy in regulating the output voltage.
• Small package size allows for space-saving designs.
• Enable pin provides control over the regulator's operation.
• Feedback pin enables precise voltage regulation.

Advantages

• Wide input voltage range allows for versatile applications.
• Low quiescent current minimizes power consumption.
• Excellent line and load regulation ensure stable output voltage.
• Small package size makes it suitable for compact electronic devices.
• Enable pin offers flexibility in power management.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• Dropout voltage may cause a slight decrease in efficiency.

Working Principles

The S-1206B40-U3T1U is a step-down voltage regulator that converts a higher input voltage to a lower output voltage. It utilizes a control circuitry to maintain a stable output voltage of 3.3V, regardless of variations in the input voltage or load conditions. The regulator operates by adjusting the duty cycle of an internal switch to regulate the output voltage. This ensures that the connected electronic devices receive a consistent and reliable power supply.

Detailed Application Field Plans

The S-1206B40-U3T1U is commonly used in various electronic applications, including: 1. Battery-powered devices: Provides a regulated power source for portable electronics such as smartphones, tablets, and wearable devices. 2. IoT devices: Enables efficient power management in Internet of Things (IoT) devices, ensuring stable operation and extended battery life. 3. Industrial equipment: Suitable for powering sensors, actuators, and control circuits in industrial automation systems. 4. Automotive electronics: Used in automotive applications to regulate voltage for microcontrollers, sensors, and other electronic components. 5. Communication systems: Provides a stable power supply for routers, modems, and other communication devices.

Detailed and Complete Alternative Models

1. S-1206B33-U3T1U: Similar to S-1206B40-U3T1U but with an output voltage of 3.3V.
2. S-1206B50-U3T1U: Similar to S-1206B40-U3T1U but with an output voltage of 5V.
3. S-1206B25-U3T1U: Similar to S-1206B40-U3T1U but with an output voltage of 2.5V.
4. S-1206B12-U3T1U: Similar to S-1206B40-U3T1U but with an output voltage of 1.2V.

These alternative models offer different output voltages to cater to specific application requirements.

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