TC1262-3.3VAB

Product Overview

Category

The TC1262-3.3VAB belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• Voltage Output: 3.3V
• Package Type: AB (SOT-23)
• Essence: Low Dropout Linear Regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

The TC1262-3.3VAB has the following specifications:

• Input Voltage Range: 2.5V to 6.0V
• Dropout Voltage: 300mV typical at 100mA load
• Output Current: 500mA maximum
• Quiescent Current: 50µA typical
• Line Regulation: 0.04%/V typical
• Load Regulation: 0.2% typical
• Thermal Shutdown Protection: Yes
• Short Circuit Current Limit: 750mA typical

Detailed Pin Configuration

The TC1262-3.3VAB has three pins with the following functions:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin

Functional Features

The TC1262-3.3VAB offers the following functional features:

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• Excellent line and load regulation characteristics provide stable output voltage under varying conditions.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Short circuit current limit protects the device from overcurrent conditions.

Advantages and Disadvantages

Advantages

• Low dropout voltage allows for efficient power conversion.
• Excellent line and load regulation ensure stable output voltage.
• Thermal shutdown protection prevents overheating and damage.
• Short circuit current limit protects the device from overcurrent conditions.

Disadvantages

• Limited output current of 500mA may not be suitable for high-power applications.
• Input voltage range of 2.5V to 6.0V may restrict compatibility with certain systems.

Working Principles

The TC1262-3.3VAB is a low dropout linear regulator that operates by comparing the input voltage (VIN) with a stable reference voltage. It adjusts the output voltage (VOUT) to maintain a constant value, even when the input voltage varies. The device achieves this through a combination of feedback control and internal circuitry.

Detailed Application Field Plans

The TC1262-3.3VAB finds application in various electronic systems, including but not limited to:

1. Battery-powered devices: Provides regulated power supply for portable electronics such as smartphones, tablets, and wearable devices.
2. Embedded systems: Ensures stable voltage for microcontrollers, sensors, and other components in embedded systems.
3. Industrial automation: Used in control circuits, motor drivers, and sensor interfaces to maintain consistent power supply.
4. Automotive electronics: Suitable for powering automotive modules, infotainment systems, and lighting controls.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the TC1262-3.3VAB include:

1. LM1117-3.3: A popular low dropout linear regulator with a fixed 3.3V output voltage.
2. MCP1703-3.3: Another option with a 3.3V output voltage and low dropout characteristics.
3. AP2112-3.3: A compact SOT-23 package regulator with a 3.3V output and excellent line/load regulation.

These alternative models can be considered based on specific requirements and design constraints.

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