TC54VC3402EZB

Product Overview

Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics: Low Dropout, Low Quiescent Current, High Accuracy
Package: SOT-23
Essence: Regulates voltage to provide a stable output
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
Dropout Voltage: 200mV at 100mA
Quiescent Current: 35µA typical
Output Current: 250mA
Line Regulation: ±0.3% typical
Load Regulation: ±0.4% typical
Operating Temperature Range: -40°C to +85°C

Pin Configuration

The TC54VC3402EZB has the following pin configuration:

```

| | --| VOUT GND|-- --| VIN EN |-- |___________| ```

VIN: Input Voltage Pin
EN: Enable Pin
VOUT: Output Voltage Pin
GND: Ground Pin

Functional Features

Low dropout voltage ensures efficient regulation even with small input-output differentials.
Low quiescent current minimizes power consumption in standby mode.
High accuracy provides precise voltage regulation.
Enable pin allows for easy on/off control of the regulator.

Advantages

Compact SOT-23 package enables space-saving designs.
Wide input voltage range makes it suitable for various applications.
Excellent line and load regulation ensure stable output voltage.
Low dropout voltage allows for efficient power conversion.

Disadvantages

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

Working Principles

The TC54VC3402EZB is a voltage regulator that maintains a stable output voltage regardless of input voltage fluctuations. It achieves this by using a feedback mechanism to adjust the internal circuitry, compensating for changes in load and line conditions. The enable pin allows the user to control the regulator's operation, providing flexibility in power management.

Detailed Application Field Plans

The TC54VC3402EZB is commonly used in various electronic devices and systems, including:

Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices benefit from the low quiescent current and efficient power conversion provided by this voltage regulator.
IoT (Internet of Things) devices: Connected devices often require a stable power supply, making the TC54VC3402EZB suitable for applications like smart home devices, sensors, and wireless modules.
Automotive electronics: With its wide input voltage range and compact package, this voltage regulator can be used in automotive applications such as infotainment systems, lighting controls, and engine management units.

Detailed and Complete Alternative Models

LM1117-3.3: This voltage regulator offers similar specifications and functionality, with an output voltage fixed at 3.3V.
MCP1700-3302E: Another alternative with a fixed output voltage of 3.3V, featuring low dropout voltage and low quiescent current.
LP2985-33DBVR: This voltage regulator provides a fixed 3.3V output, with excellent line and load regulation characteristics.

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

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TC54VC3402EZB v technických řešeních

Sure! Here are 10 common questions and answers related to the application of TC54VC3402EZB in technical solutions:

Q: What is TC54VC3402EZB? A: TC54VC3402EZB is a voltage supervisor IC (Integrated Circuit) that monitors the power supply voltage and provides a reset signal when the voltage falls below a certain threshold.
Q: What are the typical applications of TC54VC3402EZB? A: TC54VC3402EZB is commonly used in microcontroller-based systems, embedded systems, industrial control systems, and other electronic devices where reliable power supply monitoring is crucial.
Q: How does TC54VC3402EZB work? A: TC54VC3402EZB compares the input voltage with a reference voltage and generates a reset signal when the input voltage drops below the specified threshold voltage.
Q: What is the operating voltage range of TC54VC3402EZB? A: The operating voltage range of TC54VC3402EZB is typically between 1.6V and 5.5V.
Q: Can TC54VC3402EZB be used with both positive and negative supply voltages? A: No, TC54VC3402EZB is designed for use with positive supply voltages only.
Q: What is the output type of TC54VC3402EZB? A: TC54VC3402EZB has an open-drain output, which requires an external pull-up resistor to provide a logic high level.
Q: What is the maximum reset timeout period of TC54VC3402EZB? A: The maximum reset timeout period of TC54VC3402EZB is typically 140ms.
Q: Can TC54VC3402EZB tolerate voltage spikes or transients? A: Yes, TC54VC3402EZB has built-in hysteresis and can tolerate voltage spikes or transients within its specified operating range.
Q: Is TC54VC3402EZB available in different package options? A: Yes, TC54VC3402EZB is available in various package options, such as SOT-23, SC-70, and DFN.
Q: Are there any additional features or functionalities of TC54VC3402EZB? A: TC54VC3402EZB also includes a manual reset input, which allows for external control of the reset signal, and a power-on reset delay to ensure stable operation during power-up.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications of TC54VC3402EZB.