LTC4420IDD#TRPBF

Series:	PowerPath™
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Source Selector Switch
FET Type:	N-Channel
Ratio - Input:Output:	2:1
Internal Switch(s):	Yes
Current - Output (Max):	1.6A
Current - Supply:	3.6µA
Voltage - Supply:	1.8 V ~ 18 V
Applications:	Battery Backup
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	12-WFDFN Exposed Pad
Supplier Device Package:	12-DFN (3x3)
Base Part Number:	LTC4420

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PMIC - OR Controllers, Ideal Diodes and LTC4420IDD#TRPBF

Power Management Integrated Circuit (PMIC) designs are the foundation of many consumer electronics and embedded control systems. The circuits themselves must be able to provide a wide range of voltage, current and temperature settings to match the requirements of each application. PMIC chips come in a variety of forms and one of the more popular examples is the OR controller, which is ideal for use in products that require a very low on resistance and fast switching speeds. Additionally, they can be used in many other applications such as current limiters, voltage regulators, power followers, and power converters.The LTC4420IDD#TRPBF is a multi-function OR controller intended for a wide variety of power management and control system applications. This device can be used for applications such as power sequencing, overcurrent protection, current limiting, and over-voltage protection. It is specifically designed for use in cost-sensitive consumer, industrial, and automotive applications that require high accuracy and precision.The OR controller works by detecting the voltage at the input end and adjusting the output current accordingly. When the voltage is too low, the output current is adjusted. When the voltage exceeds a certain threshold, the device will act as a switch, allowing switchover to an alternate power source, or some other action. When the voltage is within the specified range, the device operates as an ideal diode, providing a very low impedance path for current to flow.The LTC4420IDD#TRPBF features an adjustable threshold voltage, allowing the user to set the threshold voltage very accurately. This feature ensures that the output current is regulated within very tight parameters. The device also features a wide range of features and specifications, such as fast switching speeds, low output resistance, and an adjustable reference voltage.The LTC4420IDD#TRPBF is also available in small packages, allowing it to be used in small devices such as watches, PDAs, and cellular phones. It has been tested to stringent environmental specifications and is suitable for use in a wide variety of industrial and automotive applications. Additionally, the device can be used in a wide range of power conversion systems, allowing the current transferred through the OR controller to be used for a variety of applications.Overall, the LTC4420IDD#TRPBF is an ideal solution for any application requiring adjustable current control, fast switching speeds, low output resistance and adjustable reference voltage. Its small size and robust package also make it suitable for use in a wide range of industrial and automotive applications. In addition to this, the device can be used in many other applications such as current limiters, voltage regulators, power followers, and power converters. With its wide range of features, the LTC4420IDD#TRPBF is an ideal choice for any OR controller application.

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