LD39050PUR

Product Overview

Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics:
- High efficiency
- Low dropout voltage
- Wide input voltage range
- Overcurrent and thermal protection
Package: TO-220
Essence: Linear voltage regulator
Packaging/Quantity: Tape and reel, 1000 units per reel

Specifications

Input Voltage Range: 2.5V to 26V
Output Voltage Range: 1.2V to 20V
Output Current: Up to 1.5A
Dropout Voltage: 300mV at 1A
Quiescent Current: 75µA
Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LD39050PUR has the following pin configuration:

VIN: Input voltage pin
GND: Ground pin
VOUT: Output voltage pin
EN: Enable pin
BYP: Bypass capacitor pin

Functional Features

High Efficiency: The LD39050PUR offers high efficiency, minimizing power dissipation and maximizing battery life.
Low Dropout Voltage: With a low dropout voltage of only 300mV at 1A, it can regulate the output voltage even when the input voltage is close to the desired output voltage.
Wide Input Voltage Range: The IC can accept input voltages ranging from 2.5V to 26V, making it suitable for a wide range of applications.
Overcurrent and Thermal Protection: The LD39050PUR incorporates overcurrent and thermal protection mechanisms to safeguard the circuit and prevent damage in case of faults.

Advantages and Disadvantages

Advantages: - High efficiency - Low dropout voltage - Wide input voltage range - Overcurrent and thermal protection

Disadvantages: - Limited output current (up to 1.5A)

Working Principles

The LD39050PUR is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The LD39050PUR can be used in various applications, including but not limited to: - Battery-powered devices - Portable electronics - Automotive systems - Industrial equipment - Communication devices

Detailed and Complete Alternative Models

Some alternative models to the LD39050PUR include: - LM317: Adjustable voltage regulator with higher output current capability - LT1084: Low dropout voltage regulator with adjustable output voltage - TPS7A4700: Ultra-low noise voltage regulator for sensitive applications

These alternative models offer different features and specifications, allowing users to choose the most suitable option for their specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LD39050PUR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LD39050PUR in technical solutions:

Q: What is LD39050PUR? A: LD39050PUR is a low dropout (LDO) voltage regulator IC that provides a stable output voltage for various electronic devices.
Q: What is the input voltage range of LD39050PUR? A: The input voltage range of LD39050PUR is typically between 2.5V and 6V.
Q: What is the output voltage range of LD39050PUR? A: The output voltage range of LD39050PUR can be adjusted from 0.8V to 5V using external resistors.
Q: What is the maximum output current of LD39050PUR? A: LD39050PUR can provide a maximum output current of up to 1A.
Q: Is LD39050PUR suitable for battery-powered applications? A: Yes, LD39050PUR is designed to be highly efficient, making it suitable for battery-powered applications where power consumption is critical.
Q: Does LD39050PUR have built-in thermal protection? A: Yes, LD39050PUR incorporates thermal shutdown protection to prevent overheating and ensure safe operation.
Q: Can LD39050PUR operate in a wide temperature range? A: Yes, LD39050PUR is designed to operate reliably in a temperature range of -40°C to +125°C.
Q: Does LD39050PUR require any external components for operation? A: Yes, LD39050PUR requires input and output capacitors for stability and proper operation. Refer to the datasheet for recommended values.
Q: Can LD39050PUR handle transient voltage spikes? A: Yes, LD39050PUR has built-in protection features to handle transient voltage spikes and protect downstream components.
Q: What are some typical applications of LD39050PUR? A: LD39050PUR is commonly used in various technical solutions such as battery-powered devices, portable electronics, industrial equipment, and automotive applications where a stable and regulated power supply is required.

Please note that the answers provided here are general and may vary depending on specific product specifications and application requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.