IR3621FTRPBF

Frequency - Switching:	200kHz ~ 500kHz
Base Part Number:	IR3621FPBF
Supplier Device Package:	28-TSSOP
Package / Case:	28-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	-40°C ~ 125°C (TJ)
Control Features:	Frequency Control, Power Good, Soft Start
Serial Interfaces:	--
Clock Sync:	Yes
Synchronous Rectifier:	Yes
Duty Cycle (Max):	86.5%
Series:	--
Voltage - Supply (Vcc/Vdd):	5.5 V ~ 14.5 V
Output Phases:	2
Number of Outputs:	2
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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The IR3621FTRPBF is a unique device from Infineon Technologies which finds a wide range of application in power management and control. It is part of the PMIC (Power Management Integrated Circuit) category, classified under Voltage Regulators and DC DC Switching Controllers. This device is especially useful for DC technology related applications.The device is an integrated FET regulating controller and is designed to provide a set of modern features in order to enhance and regulate the efficiency and behaviour of the DC power systems. It works by providing an extended range of digital functions, addressing the specific needs of modern applications. The IR3621FTRPBF implements a dual step down control which enables load sharing, synchronizing, and transient response improvement. This device features easy external configuration of two synchronous step down regulators. It has an adjustable differential voltage tolerance and can also synchronize with either an external clock or a fixed frequency clock. It provides a programmable current limit for each of the two output channels to ensure the best possible power system design.The device comes equipped with a built-in high performance PWM comparator and a fixed-frequency oscillator. This makes it possible for the device to continuously monitor the input voltage and to adjust the switching frequencies according to the system requirements. The oscillator can be configured for different switching frequencies, making the system design more flexible.It is important to note that this device also possesses a unique µMax architecture which enables an extremely fast voltage response in systems with short on/off times. This feature allows a greatly improved performance of the system within the same amount of power.The IR3621FTRPBF is highly critiqued by engineers across the world for its wide range of features and its ability to provide improved performance and efficiency. It is a perfect fit for different kinds of power management systems and provides the best possible control.

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