L4940D2T10

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Output Configuration:	Positive
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	17V
Voltage - Output (Min/Fixed):	10V
Voltage - Output (Max):	--
Voltage Dropout (Max):	0.9V @ 1.5A
Current - Output:	1.5A
Current - Quiescent (Iq):	8mA
Current - Supply (Max):	50mA
PSRR:	62dB (120Hz)
Control Features:	--
Protection Features:	Over Temperature, Reverse Polarity, Short Circuit
Operating Temperature:	-40°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
Supplier Device Package:	D2PAK
Base Part Number:	L4940

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L4940D2T10 Application Field and Working Principle

The L4940D2T10 linear voltage regulator is a three terminal adjustable regulator specially designed for low voltage and low current regulation. It is suitable for use in portable electronic devices such as laptops, tablets, and mobile phones. The device is designed to provide up to 18W of power per channel, which makes it suitable for a variety of applications, including voltage regulation and ripple suppression.The L4940D2T10 voltage regulator is designed to operate with a very low output voltage ripple and a low output noise. In addition, the device also provides very low feedback and output voltage drops, a wide temperature operating range, and very low output current noise.The L4940D2T10 is composed of three main components: an internal linear regulator, an external resistor and capacitor, and a transistors. The voltage regulator operates through a series of feedback reactions.The first component is the internal linear regulator, which is the most critical component of the system. It is responsible for controlling the output voltage by regulating the current and voltage across the load. This is accomplished by a series of resistors, diodes and transistors. The voltage regulator adjusts its output voltage based on the feedback that it receives from the resistor/capacitor network, and monitors the feedback voltage to determine the output voltage.The external resistor and capacitor, which are connected between the voltage regulator and the load, are responsible for filtering out any electrical noise that may be generated by the load. The resistor and capacitor can also be used to fine tune the voltage output of the regulator.The last component of the L4940D2T10 is the transistor. This component controls the current in the circuit and can be used to control the output voltage. The transistor is typically used to correct overvoltage and undervoltage situations.The L4940D2T10 is highly reliable and efficient, and is used in a variety of applications. It is an ideal choice for providing a stable and reliable output voltage for sensitive electronic devices. In addition, the device is also widely used for power management in portable applications due to its low power consumption and low output noise.

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