LD39115J15R

Product Overview

Category: Integrated Circuit (IC)
Use: Power Management
Characteristics: High efficiency, low dropout voltage regulator
Package: TO-220
Essence: Voltage regulator with adjustable output voltage
Packaging/Quantity: Tape and reel, 1000 units per reel

Specifications

Input Voltage Range: 2.5V to 16V
Output Voltage Range: 1.25V to 13.8V
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 LD39115J15R has the following pin configuration:

VIN: Input voltage pin
GND: Ground pin
VOUT: Output voltage pin
ADJ: Adjustable pin for setting the output voltage

Functional Features

High efficiency voltage regulation
Low dropout voltage for improved performance
Adjustable output voltage for flexibility
Overcurrent and thermal protection
Short-circuit protection

Advantages

Wide input voltage range allows for versatile applications
Low dropout voltage minimizes power dissipation
Adjustable output voltage suits various requirements
Built-in protection features enhance reliability

Disadvantages

Limited output current compared to higher-rated regulators
Higher quiescent current compared to some low-power alternatives

Working Principles

The LD39115J15R is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage obtained from the output. The pass transistor adjusts its resistance to maintain a stable output voltage, compensating for changes in load and input voltage.

Detailed Application Field Plans

The LD39115J15R is commonly used in various applications, including:

Battery-powered devices
Portable electronics
Automotive systems
Industrial equipment
Communication devices

Detailed and Complete Alternative Models

LD39115J12R: Similar to LD39115J15R but with a fixed 1.2V output voltage.
LD39115J33R: Similar to LD39115J15R but with a fixed 3.3V output voltage.
LD39115J50R: Similar to LD39115J15R but with a fixed 5V output voltage.
LD39115JADJR: Similar to LD39115J15R but with an adjustable output voltage range of 0.8V to 6V.

These alternative models provide options for different output voltage requirements.

In conclusion, the LD39115J15R is a high-efficiency, low dropout voltage regulator suitable for a wide range of applications. Its adjustable output voltage, along with built-in protection features, makes it a versatile choice for power management needs.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LD39115J15R v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LD39115J15R in technical solutions:

Q: What is LD39115J15R? A: LD39115J15R is a voltage regulator IC (integrated circuit) commonly used in technical solutions to regulate and stabilize voltage levels.
Q: What is the input voltage range for LD39115J15R? A: The input voltage range for LD39115J15R is typically between 2.5V and 6V.
Q: What is the output voltage range of LD39115J15R? A: The output voltage range of LD39115J15R is fixed at 1.5V.
Q: What is the maximum output current that LD39115J15R can handle? A: LD39115J15R can handle a maximum output current of 150mA.
Q: Is LD39115J15R suitable for battery-powered applications? A: Yes, LD39115J15R is suitable for battery-powered applications as it has low quiescent current and operates efficiently with low input voltages.
Q: Does LD39115J15R have built-in protection features? A: Yes, LD39115J15R has built-in protection features such as thermal shutdown, current limit, and short-circuit protection.
Q: Can LD39115J15R be used in automotive applications? A: Yes, LD39115J15R is designed to meet automotive requirements and can be used in automotive applications.
Q: What is the operating temperature range for LD39115J15R? A: The operating temperature range for LD39115J15R is typically between -40°C and 125°C.
Q: Does LD39115J15R require external components for operation? A: Yes, LD39115J15R requires a few external components such as input and output capacitors for stable operation.
Q: Can LD39115J15R be used in space-constrained applications? A: Yes, LD39115J15R is available in a small package (e.g., SOT-23) which makes it suitable for space-constrained applications.

Please note that the specific details and specifications may vary, so it's always recommended to refer to the datasheet or consult the manufacturer for accurate information related to LD39115J15R.