L4952D013TR

Product Overview

Category: Integrated Circuit
Use: Power Management
Characteristics: High voltage regulator with adjustable output, low dropout voltage, and thermal shutdown protection.
Package: TO-252-3 (DPAK)
Essence: Voltage Regulator
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

Input Voltage Range: 4.75V to 42V
Output Voltage Range: 1.25V to 40V
Output Current: Up to 1.5A
Dropout Voltage: 0.45V typical at 1A load
Quiescent Current: 100µA typical
Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The L4952D013TR is a three-terminal device with the following pin configuration:

VIN - Input Voltage
GND - Ground
VOUT - Output Voltage

Functional Features

Adjustable output voltage through external resistors.
Built-in thermal shutdown protection prevents overheating.
Low dropout voltage ensures efficient power conversion.
Wide input voltage range allows for versatile applications.
Short-circuit and overcurrent protection.

Advantages and Disadvantages

Advantages

High voltage regulation accuracy.
Low quiescent current consumption.
Compact package size.
Wide operating temperature range.
Robust protection features.

Disadvantages

Limited output current compared to some other regulators.
Requires external resistors for voltage adjustment.

Working Principles

The L4952D013TR is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage, adjusting the pass transistor to maintain a stable output. The device incorporates thermal shutdown protection to prevent damage due to excessive temperature.

Detailed Application Field Plans

The L4952D013TR is commonly used in various applications, including:

Automotive electronics
Industrial control systems
Power supplies
Battery charging circuits
Portable devices

Detailed and Complete Alternative Models

LM317
LT1083
LM1117
LM7805
LM2940

These alternative models offer similar functionality and can be used as substitutes for the L4952D013TR in various applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací L4952D013TR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of L4952D013TR in technical solutions:

Q: What is L4952D013TR? A: L4952D013TR is a specific model of voltage regulator IC (integrated circuit) commonly used in technical solutions.
Q: What is the input voltage range for L4952D013TR? A: The input voltage range for L4952D013TR is typically between 8V and 35V.
Q: What is the output voltage range of L4952D013TR? A: The output voltage range of L4952D013TR can be adjusted from 5V to 28V.
Q: What is the maximum output current that L4952D013TR can handle? A: L4952D013TR can handle a maximum output current of up to 2A.
Q: Is L4952D013TR suitable for automotive applications? A: Yes, L4952D013TR is designed to meet the requirements of automotive applications and can operate in harsh environments.
Q: Does L4952D013TR have built-in protection features? A: Yes, L4952D013TR includes various protection features such as overvoltage protection, thermal shutdown, and short-circuit protection.
Q: Can L4952D013TR be used in both step-up and step-down voltage regulation? A: Yes, L4952D013TR can be used for both step-up (boost) and step-down (buck) voltage regulation.
Q: What is the typical efficiency of L4952D013TR? A: The typical efficiency of L4952D013TR is around 85-90%, depending on the input and output voltage levels.
Q: Does L4952D013TR require any external components for operation? A: Yes, L4952D013TR requires a few external components such as capacitors, resistors, and an inductor to function properly.
Q: Are there any application notes or reference designs available for L4952D013TR? A: Yes, the manufacturer of L4952D013TR provides application notes and reference designs that can help in implementing the IC in various technical solutions.

Please note that the answers provided here are general and may vary based on specific datasheet specifications and application requirements.