LM7912CT/NOPB Allicdata Electronics
Allicdata Part #:

LM7912CT/NOPB-ND

Manufacturer Part#:

LM7912CT/NOPB

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: Texas Instruments
Short Description: IC REG LINEAR -12V 1.5A TO220-3
More Detail: Linear Voltage Regulator IC Negative Fixed 1 Outpu...
DataSheet: LM7912CT/NOPB datasheetLM7912CT/NOPB Datasheet/PDF
Quantity: 4491
Stock 4491Can Ship Immediately
Specifications
Series: --
Packaging: Tube 
Part Status: Active
Output Configuration: Negative
Output Type: Fixed
Number of Regulators: 1
Voltage - Input (Max): -35V
Voltage - Output (Min/Fixed): -12V
Voltage - Output (Max): --
Voltage Dropout (Max): 1.1V @ 1A
Current - Output: 1.5A
Current - Quiescent (Iq): 1.5mA
PSRR: 70dB (120Hz)
Control Features: --
Protection Features: Over Temperature, Short Circuit
Operating Temperature: 0°C ~ 125°C
Mounting Type: Through Hole
Package / Case: TO-220-3
Supplier Device Package: TO-220-3
Base Part Number: LM7912
Description

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Introduction
The LM7912CT/NOPB is an integrated linear voltage regulator that can provide a stable voltage output and has a wide application field. It is a three-terminal negative fixed voltage regulator capable of output voltages as low as -12V. This voltage regulator features low dropout voltage, low noise, and high output current capability. It is perfectly suited for use in various negative voltage regulation applications, such as audio, automotive, and industrial systems.Functionality
The LM7912CT/NOPB voltage regulator is able to deliver a continuous output current of up to 1A and provides a very low dropout voltage, which makes it suitable for many demanding applications. It is a three-terminal regulator with an internal pass transistor and is also capable of stabilizing an input voltage range of between -10V and -35V. It is designed to use a single external capacitor for ripple rejection and is capable of providing very low noise and excellent EMC performance.
Application field
TheLM7912CT/NOPB is a versatile voltage regulator with a wide range of applications. It can be used as a general-purpose negative voltage regulator in audio, automotive and industrial systems. It can also be used as a post regulator which is designed to stabilize the output voltage of DC/DC converters. This voltage regulator is also commonly used in power supply systems, motor control systems and LDOs.
Working principle
The working principle of the LM7912CT/NOPB is based on a linear regulator, which is a type of DC-to-DC converter that produces an output voltage that is different from its input voltage. Unlike switching regulators, linear regulators maintain a constant output voltage by dissipating excess energy as heat. This is done by sensing the output voltage and controlling a pass transistor to regulate the current from the input to the output. This transistor acts as a variable resistor and adjusts the amount of current through it to ensure that the output voltage remains constant.
Conclusion
The LM7912CT/NOPB is a versatile and reliable negative voltage regulator that can be used in a variety of applications. It is capable of providing a stable voltage output and has low noise, low dropout voltage and high output current capability. It is suitable for many demanding applications and its working principle is based on a linear regulator.

The specific data is subject to PDF, and the above content is for reference

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