L4947PD013TR

Product Overview

Category: Integrated Circuit
Use: Power Management
Characteristics: Low Dropout Voltage Regulator
Package: PDIP-8 (Plastic Dual In-line Package)
Essence: Voltage Regulator
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

Input Voltage Range: 4.5V to 26V
Output Voltage Range: 1.2V to 20V
Dropout Voltage: 0.45V at 100mA
Output Current: 500mA
Quiescent Current: 75µA
Line Regulation: ±0.05%
Load Regulation: ±0.1%
Ripple Rejection: 70dB
Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The L4947PD013TR is an integrated circuit with a PDIP-8 package. The pin configuration is as follows:

Vout: Output Voltage
GND: Ground
Vin: Input Voltage
NC: No Connection
NC: No Connection
NC: No Connection
NC: No Connection
NC: No Connection

Functional Features

Low dropout voltage regulator suitable for various applications
Wide input voltage range allows flexibility in power supply selection
High output current capability of 500mA
Excellent line and load regulation for stable output voltage
Low quiescent current for improved efficiency
High ripple rejection ratio for noise-sensitive applications
Wide operating temperature range for versatility in different environments

Advantages and Disadvantages

Advantages

Low dropout voltage ensures efficient power conversion
Wide input voltage range provides flexibility in power supply selection
High output current capability allows for powering various loads
Excellent line and load regulation ensures stable output voltage
Low quiescent current improves overall efficiency
High ripple rejection ratio minimizes noise interference

Disadvantages

Limited number of available pins for additional functionality
PDIP-8 package may not be suitable for space-constrained applications

Working Principles

The L4947PD013TR is a low dropout voltage regulator that regulates the output voltage based on the input voltage. It operates by comparing the output voltage with a reference voltage and adjusting the internal pass transistor accordingly. This feedback mechanism ensures a stable output voltage despite variations in the input voltage and load conditions.

Detailed Application Field Plans

The L4947PD013TR can be used in various applications, including but not limited to:

Battery-powered devices: Provides regulated power supply for portable electronics.
Automotive systems: Ensures stable voltage for automotive electronics.
Industrial equipment: Powers control circuits and sensors in industrial machinery.
Communication devices: Regulates power supply for communication modules.
Consumer electronics: Suitable for powering audio/video equipment, gaming consoles, etc.

Detailed and Complete Alternative Models

LM1117-3.3: Low dropout voltage regulator with fixed 3.3V output.
LT1763: Ultra-low dropout linear regulator with adjustable output voltage.
TPS7A4700: High-performance low dropout voltage regulator with wide input voltage range.
ADP3339: Low dropout voltage regulator with high output current capability.
MAX603: Precision low dropout voltage regulator with low quiescent current.

These alternative models offer similar functionality and can be considered as alternatives to the L4947PD013TR based on specific requirements and application needs.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací L4947PD013TR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of L4947PD013TR in technical solutions:

Q: What is L4947PD013TR? A: L4947PD013TR is a specific model of voltage regulator IC (integrated circuit) used in various technical solutions.
Q: What is the input voltage range for L4947PD013TR? A: The input voltage range for L4947PD013TR is typically between 4.5V and 45V.
Q: What is the output voltage range for L4947PD013TR? A: The output voltage range for L4947PD013TR can be adjusted from 1.235V to 35V.
Q: What is the maximum output current of L4947PD013TR? A: The maximum output current of L4947PD013TR is typically around 1A.
Q: What are the typical applications of L4947PD013TR? A: L4947PD013TR is commonly used in automotive, industrial, and consumer electronics applications where stable voltage regulation is required.
Q: Does L4947PD013TR have built-in protection features? A: Yes, L4947PD013TR includes built-in protection features such as thermal shutdown, overcurrent protection, and short-circuit protection.
Q: Can L4947PD013TR operate in harsh environments? A: Yes, L4947PD013TR is designed to operate in a wide temperature range and can withstand harsh environmental conditions.
Q: Is L4947PD013TR compatible with both analog and digital circuits? A: Yes, L4947PD013TR can be used with both analog and digital circuits, making it versatile for various applications.
Q: Can L4947PD013TR be used in battery-powered devices? A: Yes, L4947PD013TR is suitable for battery-powered devices as it has low quiescent current and can operate efficiently with low input voltages.
Q: Are there any specific design considerations when using L4947PD013TR? A: It is important to consider proper heat dissipation, input/output capacitor selection, and PCB layout guidelines provided in the datasheet for optimal performance of L4947PD013TR.

Please note that these answers are general and may vary depending on the specific application and requirements.