TC54VC1802EZB

Product Overview

Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics: Low Dropout, Low Quiescent Current, High Accuracy
Package: SOT-23-5
Essence: Regulates voltage to ensure stable power supply
Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

Input Voltage Range: 2.7V to 6.0V
Output Voltage Range: 1.2V to 5.5V
Dropout Voltage: 200mV at 100mA
Quiescent Current: 45µA typical
Output Current: 250mA maximum
Line Regulation: ±0.3% typical
Load Regulation: ±0.4% typical
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TC54VC1802EZB has a total of five pins:

GND: Ground connection
IN: Input voltage pin
EN: Enable pin for turning the regulator on/off
FB: Feedback pin for setting the output voltage
OUT: Output voltage pin

Functional Features

Low dropout voltage ensures efficient regulation even with small input-output differentials.
Low quiescent current minimizes power consumption in standby or idle modes.
High accuracy provides precise output voltage regulation.
Thermal shutdown protection prevents damage due to excessive heat.
Short-circuit current limiting protects the IC and connected components.

Advantages and Disadvantages

Advantages: - Compact SOT-23-5 package allows for space-saving designs. - Wide input voltage range enables compatibility with various power sources. - Excellent line and load regulation ensures stable output voltage. - Low quiescent current extends battery life in portable applications.

Disadvantages: - Maximum output current of 250mA may not be sufficient for high-power applications. - Limited temperature range (-40°C to +85°C) restricts usage in extreme environments.

Working Principles

The TC54VC1802EZB is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB pin) with a reference voltage, adjusting the pass transistor accordingly to maintain a constant output voltage. The enable pin (EN) allows the regulator to be turned on or off, conserving power when not needed.

Detailed Application Field Plans

The TC54VC1802EZB is commonly used in various electronic devices and systems, including but not limited to:

Battery-powered devices: Portable audio players, handheld gaming consoles, and remote controls.
IoT devices: Smart home sensors, wearable devices, and wireless communication modules.
Automotive electronics: Infotainment systems, dashboard displays, and lighting control modules.
Industrial equipment: Measurement instruments, control systems, and motor drivers.
Power management circuits: Voltage regulators, power supplies, and battery charging circuits.

Detailed and Complete Alternative Models

LM1117-3.3: A popular alternative with similar specifications and package.
MCP1700-3302E: Low dropout voltage regulator with adjustable output voltage.
TS2940CX33: Low quiescent current regulator with a higher maximum output current.

These alternatives offer comparable performance and can be considered based on specific application requirements.

Word count: 346 words

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TC54VC1802EZB v technických řešeních

Sure! Here are 10 common questions and answers related to the application of TC54VC1802EZB in technical solutions:

Q: What is TC54VC1802EZB? A: TC54VC1802EZB is a voltage supervisor IC (Integrated Circuit) used for monitoring power supply voltages in electronic systems.
Q: What is the purpose of using TC54VC1802EZB in technical solutions? A: The purpose of using TC54VC1802EZB is to ensure stable and reliable operation of electronic systems by monitoring power supply voltages and generating reset signals when necessary.
Q: How does TC54VC1802EZB work? A: TC54VC1802EZB continuously monitors the input voltage and compares it with a preset threshold. If the voltage drops below the threshold, it generates a reset signal to initiate a system reset.
Q: What is the operating voltage range of TC54VC1802EZB? A: The operating voltage range of TC54VC1802EZB is typically between 1.6V and 6.0V.
Q: Can TC54VC1802EZB be used in battery-powered applications? A: Yes, TC54VC1802EZB can be used in battery-powered applications as it operates within a wide voltage range and has low quiescent current consumption.
Q: Does TC54VC1802EZB have any adjustable parameters? A: No, TC54VC1802EZB does not have any adjustable parameters. It comes with fixed threshold voltage levels.
Q: What is the typical response time of TC54VC1802EZB? A: The typical response time of TC54VC1802EZB is around 20 microseconds.
Q: Can TC54VC1802EZB be used in automotive applications? A: Yes, TC54VC1802EZB is suitable for automotive applications as it meets the necessary requirements for temperature range, voltage stability, and reliability.
Q: Does TC54VC1802EZB have any built-in protection features? A: Yes, TC54VC1802EZB has built-in protection features such as overvoltage protection and reverse battery protection.
Q: What are some common applications of TC54VC1802EZB? A: Some common applications of TC54VC1802EZB include power management systems, microcontrollers, industrial control systems, and portable electronic devices.

Please note that the answers provided here are general and may vary depending on the specific datasheet and application requirements of TC54VC1802EZB.