TC54VN3802EZB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Quiescent Current, High Accuracy
• Package: SOT-23-5
• Essence: This IC is designed to regulate voltage in electronic circuits with low dropout and high accuracy.
• Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 30µA typical
• Output Current: 150mA maximum
• Line Regulation: ±0.2% typical
• Load Regulation: ±0.4% typical
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TC54VN3802EZB has a SOT-23-5 package with the following pin configuration:

1. GND (Ground)
2. VIN (Input Voltage)
3. VOUT (Output Voltage)
4. BYP (Bypass Capacitor)
5. EN (Enable)

Functional Features

• Low dropout voltage ensures stable output even when input voltage is close to the desired output voltage.
• Low quiescent current minimizes power consumption in standby or idle mode.
• High accuracy provides precise voltage regulation for sensitive electronic components.
• Enable pin allows for easy on/off control of the regulator.
• Bypass capacitor pin improves stability and reduces noise.

Advantages and Disadvantages

Advantages: - Low dropout voltage enables efficient voltage regulation. - Low quiescent current prolongs battery life in portable devices. - High accuracy ensures reliable performance in critical applications. - Enable pin offers flexibility in power management. - Small package size allows for space-saving designs.

Disadvantages: - Limited output current may not be suitable for high-power applications. - Operating temperature range may restrict usage in extreme environments.

Working Principles

The TC54VN3802EZB is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage. The dropout voltage is minimized by using a low resistance pass transistor, ensuring efficient voltage regulation even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

The TC54VN3802EZB is commonly used in various electronic devices and systems, including:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices benefit from the low quiescent current and efficient voltage regulation provided by this IC.
2. IoT (Internet of Things) devices: Low power consumption and accurate voltage regulation make this IC suitable for IoT applications where energy efficiency is crucial.
3. Automotive electronics: The wide operating temperature range and small package size make it suitable for automotive applications, such as infotainment systems and engine control units.
4. Industrial control systems: The high accuracy and stability of the output voltage make it ideal for precision instruments and control systems.

Detailed and Complete Alternative Models

1. LM1117-3.3: This IC provides a fixed 3.3V output voltage with similar characteristics to the TC54VN3802EZB.
2. LT1763: A low dropout voltage regulator with adjustable output voltage, suitable for applications requiring different output voltages.
3. MCP1700: Another low dropout voltage regulator available in various fixed output voltage options, offering flexibility in design.

These alternative models provide similar functionality and can be used as substitutes for the TC54VN3802EZB in different applications.

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