LK112M15TR Integrated Circuits (ICs) |
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Allicdata Part #: | 497-7805-2-ND |
Manufacturer Part#: |
LK112M15TR |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | STMicroelectronics |
Short Description: | IC REG LINEAR 1.5V 150MA SOT23-5 |
More Detail: | Linear Voltage Regulator IC Positive Fixed 1 Outpu... |
DataSheet: | LK112M15TR Datasheet/PDF |
Quantity: | 18000 |
Specifications
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Output Configuration: | Positive |
Output Type: | Fixed |
Number of Regulators: | 1 |
Voltage - Input (Max): | 14V |
Voltage - Output (Min/Fixed): | 1.5V |
Voltage - Output (Max): | -- |
Voltage Dropout (Max): | -- |
Current - Output: | 150mA |
Current - Quiescent (Iq): | 250µA |
PSRR: | 55dB (400Hz) |
Control Features: | Enable |
Protection Features: | Over Current, Over Temperature |
Operating Temperature: | -30°C ~ 125°C |
Mounting Type: | Surface Mount |
Package / Case: | SC-74A, SOT-753 |
Supplier Device Package: | SOT-23-5 |
Base Part Number: | LK112 |
Description
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# Introduction
Linear voltage regulators are electrical components that provide a stabilized source of power for electronic devices. They are used to regulate the output voltage of a power supply or DC power supply, such as batteries or solar panels. The LK112M15TR is a linear voltage regulator designed for automotive applications. This article will discuss the application field and working principle of the LK112M15TR.# Application Field of LK112M15TR
The LK112M15TR is a high-current, low-dropout linear voltage regulator. It is designed for automotive applications, and is capable of withstanding a wide operating temperature range of -40°C to 105°C. It is a 15V regulator with a maximum output current of 3A, and has a maximum dropout voltage of 0.29V at a load of 1A. The device has adjustable output voltage, and supports a wide input voltage range of 4.5V to 22V.The LK112M15TR features both over-temperature protection and under-voltage protection, making it suitable for automotive applications where these protections are required. In addition, the device also has an over-current protection feature, which will shut down the device if the current draw exceeds a set limit.# Working Principle of LK112M15TR
The LK112M15TR is a linear voltage regulator, which means that it uses an internal voltage reference to produce a regulated output voltage. The internal voltage reference can be adjusted by changing the resistive divider connected to the input pin.The device operates in two stages:1. In the first stage, a current flows through the internal voltage reference and the resistive divider connected to the input pin. The output voltage is then compared to the reference voltage and a voltage error signal is generated.2. In the second stage, the error signal is used to adjust the current flowing from the input pin to the output pin to compensate for the difference between the reference voltage and the output voltage. As a result, a regulated output voltage is produced.# Conclusion
The LK112M15TR is a linear voltage regulator designed for automotive applications. It has a wide operating temperature range and adjustable output voltage, making it suitable for a wide range of applications. In addition, the device features both over-temperature and under-voltage protection, as well as an over-current protection feature. The device operates by comparing the output voltage to the reference voltage, and then adjusting the current between the input and output pin to produce a regulated output voltage.The specific data is subject to PDF, and the above content is for reference
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