L78M15ABV Allicdata Electronics
Allicdata Part #:

497-1465-5-ND

Manufacturer Part#:

L78M15ABV

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: STMicroelectronics
Short Description: IC REG LINEAR 15V 500MA TO220AB
More Detail: Linear Voltage Regulator IC Positive Fixed 1 Outpu...
DataSheet: L78M15ABV datasheetL78M15ABV Datasheet/PDF
Quantity: 2668
Stock 2668Can Ship Immediately
Specifications
Series: --
Packaging: Tube 
Part Status: Active
Output Configuration: Positive
Output Type: Fixed
Number of Regulators: 1
Voltage - Input (Max): 35V
Voltage - Output (Min/Fixed): 15V
Voltage - Output (Max): --
Voltage Dropout (Max): --
Current - Output: 500mA
Current - Quiescent (Iq): 6mA
PSRR: 54dB (120Hz)
Control Features: --
Protection Features: Over Current, Over Temperature, Short Circuit
Operating Temperature: -40°C ~ 125°C
Mounting Type: Through Hole
Package / Case: TO-220-3
Supplier Device Package: TO-220AB
Base Part Number: L78M15A
Description

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PMIC Voltage Regulators LinearThe L78M15ABV is a linear negative voltage regulator that has been around for quite some time. It is an excellent choice for extending battery life in batteries with limited capacity. The L78M15ABV has a voltage drop of 1.5V and can deliver up to 1.5A of output current.In order to understand its application field and working principle, this article will discuss the features and specifications of the L78M15ABV, its application examples and the general operating principle of linear voltage regulators.The basic features of the L78M15ABV include a low dropout of 1.5V and a low quiescent current of 1μA. It has a wide operating temperature range of -40°C to +125°C, and can handle up to 5A of transient load current. The load regulation is excellent, with a maximum 0.2% voltage deviation over the entire output voltage range. The L78M15ABV also has an over-temperature protection, over-voltage protection, and over-current protection, as well as an output enable pin.The voltage regulator can be used in a variety of applications such as low-drop battery chargers and portable device power supplies, as well as in embedded systems, microprocessors, and other low-voltage circuits. It can also be used in automotive applications like automotive power supplies for heating and safety systems.The working principle of the L78M15ABV is quite straightforward. It uses an oscillator-controlled PWM comparator to accurately regulate the output voltage and minimize ripple voltage. The output voltage is compared to a reference voltage and any voltage difference is compensated for by adjusting the duty cycle of the comparator.Internally, the L78M15ABV has an error amplifier and six PNP transistors with a power output transistor. This type of linear voltage regulator is very reliable and efficient, and can handle transient overloads.Overall, the L78M15ABV is an excellent choice for low-drop voltage regulation and has a wide range of applications and uses. Its features, wide temperature range, and high load regulation make it a popular choice for many projects. The ease of use and reliability of the L78M15ABV have made it the go-to choice for many engineers.

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