L5991D013TR

Product Overview

Category: Integrated Circuit (IC)
Use: Power Management
Characteristics: High efficiency, low power consumption
Package: DFN-8 (Dual Flat No-Lead)
Essence: Voltage Regulator
Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

Input Voltage Range: 4.5V to 40V
Output Voltage Range: 1.2V to 37V
Output Current: Up to 1.5A
Quiescent Current: 50µA
Switching Frequency: 500kHz
Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The L5991D013TR IC has the following pin configuration:

VIN: Input voltage pin
GND: Ground pin
FB: Feedback pin for output voltage regulation
COMP: Compensation pin for stability control
EN: Enable pin for turning the regulator on/off
VOUT: Output voltage pin
SW: Switching pin for controlling the internal power switch
PGND: Power ground pin

Functional Features

Wide input voltage range allows for versatile applications
High efficiency ensures minimal power loss
Low quiescent current enables energy-saving operation
Built-in protection features such as overvoltage and thermal shutdown
Adjustable output voltage for flexibility in different applications

Advantages and Disadvantages

Advantages

High efficiency results in reduced power consumption
Wide input voltage range accommodates various power sources
Compact DFN-8 package saves board space
Built-in protection features enhance system reliability

Disadvantages

Limited output current may not be suitable for high-power applications
Requires external components for proper operation

Working Principles

The L5991D013TR is a voltage regulator IC that utilizes a switching regulator topology to efficiently convert the input voltage to a regulated output voltage. It employs a pulse width modulation (PWM) control scheme to adjust the duty cycle of the internal power switch, thereby regulating the output voltage. The feedback pin (FB) monitors the output voltage and provides a control signal to the internal circuitry for precise regulation.

Detailed Application Field Plans

The L5991D013TR is commonly used in various applications, including:

Power supplies for industrial equipment
Automotive electronics
Battery-powered devices
LED lighting systems
Telecom infrastructure

Detailed and Complete Alternative Models

L5991A013TR: Similar specifications, but with lower quiescent current
L5991B013TR: Higher output current capability, suitable for more demanding applications
L5991C013TR: Enhanced protection features, including overcurrent and reverse polarity protection

These alternative models provide options based on specific requirements and constraints.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací L5991D013TR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of L5991D013TR in technical solutions:

Q1: What is L5991D013TR? A1: L5991D013TR is a specific model of integrated circuit (IC) used for power management applications.

Q2: What are the typical applications of L5991D013TR? A2: L5991D013TR is commonly used in various technical solutions such as battery chargers, power supplies, and LED drivers.

Q3: What is the input voltage range of L5991D013TR? A3: The input voltage range of L5991D013TR is typically between 4.5V and 60V.

Q4: What is the output current capability of L5991D013TR? A4: L5991D013TR can provide an output current of up to 1.5A.

Q5: Does L5991D013TR have built-in protection features? A5: Yes, L5991D013TR includes various protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.

Q6: Can L5991D013TR operate in a wide temperature range? A6: Yes, L5991D013TR is designed to operate in a wide temperature range, typically from -40°C to 150°C.

Q7: Is L5991D013TR compatible with both analog and digital control systems? A7: Yes, L5991D013TR supports both analog and digital control systems, providing flexibility in design.

Q8: What is the efficiency of L5991D013TR? A8: L5991D013TR has high efficiency due to its low quiescent current and optimized power conversion algorithms.

Q9: Can L5991D013TR be used in automotive applications? A9: Yes, L5991D013TR is suitable for automotive applications as it meets the necessary standards and requirements.

Q10: Are there any evaluation boards or reference designs available for L5991D013TR? A10: Yes, the manufacturer of L5991D013TR provides evaluation boards and reference designs to assist in the development process.