TC1189TECTTR

Product Overview

• Category: Integrated Circuit
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Accuracy, Low Quiescent Current
• Package: SOT-23
• Essence: Linear Voltage Regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Output Current: Up to 150mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 30µA (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TC1189TECTTR is a 5-pin device with the following pin configuration:

1. GND: Ground connection
2. VIN: Input voltage
3. VOUT: Output voltage
4. BYPASS: Bypass capacitor connection
5. EN: Enable pin for turning the regulator on/off

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• High accuracy provides precise output voltage regulation.
• Low quiescent current minimizes power consumption in standby mode.
• Built-in thermal shutdown protection prevents damage due to excessive temperature.
• Short-circuit and overcurrent protection safeguards the device and connected components.

Advantages

• Compact SOT-23 package allows for space-saving integration in various applications.
• Wide input voltage range enables compatibility with different power sources.
• Excellent line and load regulation ensures stable output voltage under varying conditions.
• Low dropout voltage reduces power dissipation and extends battery life.
• High accuracy guarantees reliable performance in critical applications.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• SOT-23 package may require additional heat sinking for certain operating conditions.
• Lack of adjustable output voltage limits flexibility in some designs.

Working Principles

The TC1189TECTTR is a linear voltage regulator that maintains a stable output voltage by adjusting the input voltage. It utilizes a pass transistor to regulate the voltage drop across it, ensuring a constant output voltage regardless of input variations. The enable pin allows for on/off control of the regulator, conserving power when not needed.

Detailed Application Field Plans

The TC1189TECTTR finds applications in various fields, including:

1. Battery-powered devices: Portable electronics, handheld instruments, and wireless sensors benefit from its low quiescent current and efficient regulation.
2. Automotive systems: Provides stable voltage supply for automotive modules, such as infotainment systems, lighting controls, and sensors.
3. Industrial equipment: Suitable for powering microcontrollers, sensors, and other components in industrial automation and control systems.
4. Consumer electronics: Can be used in audio/video equipment, set-top boxes, and home appliances requiring precise voltage regulation.

Detailed and Complete Alternative Models

1. LM1117-ADJ: Adjustable output voltage, higher output current capability.
2. MCP1700T-3302E/TT: Lower dropout voltage, lower quiescent current.
3. TS2937CP-3.3: Higher output current, wider operating temperature range.

(Note: This list is not exhaustive and serves as an example of alternative models.)

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