S-1206B21-U3T1G

Basic Information Overview

• Category: Electronic Component
• Use: Voltage Regulator
• Characteristics:
  • Small size
  • High efficiency
  • Low power consumption
• Package: SOT-23-6
• Essence: Step-Down DC-DC Converter
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 1.2V
• Maximum Output Current: 600mA
• Quiescent Current: 20µA (typical)
• Switching Frequency: 1.2MHz (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1206B21-U3T1G has six pins arranged as follows:

```

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| | | 1 2 | | | | 3 4 | | | | 5 6 | |___________| ```

Pin Configuration: 1. VIN: Input Voltage 2. GND: Ground 3. EN: Enable Pin 4. FB: Feedback Pin 5. SW: Switch Pin 6. VOUT: Output Voltage

Functional Features

• Step-down voltage regulation
• High efficiency conversion
• Low dropout voltage
• Overcurrent protection
• Thermal shutdown protection
• Short-circuit protection

Advantages and Disadvantages

Advantages: - Small size allows for space-saving designs - High efficiency reduces power consumption - Wide input voltage range provides flexibility - Built-in protection features enhance reliability

Disadvantages: - Limited maximum output current may not be suitable for high-power applications - SOT-23-6 package may require careful handling during assembly

Working Principles

The S-1206B21-U3T1G is a step-down DC-DC converter that converts a higher input voltage to a lower output voltage. It utilizes a switching regulator topology to achieve high efficiency conversion. The internal control circuitry adjusts the duty cycle of the switch to regulate the output voltage. Feedback from the FB pin is used to control the output voltage and maintain it at the desired level.

Detailed Application Field Plans

The S-1206B21-U3T1G is commonly used in various electronic devices and systems, including: - Portable consumer electronics - Battery-powered devices - IoT (Internet of Things) applications - Wearable devices - Industrial equipment - Automotive electronics

Detailed and Complete Alternative Models

• S-1206B21-M3T1G: Similar specifications, different package (SOT-323-6)
• S-1206B21-I3T1G: Similar specifications, different package (SOT-89-6)
• S-1206B21-R3T1G: Similar specifications, different package (DFN2020D-6)

Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's datasheet for a complete list of alternatives.

This entry provides an overview of the S-1206B21-U3T1G voltage regulator. It includes basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.