IR3621MTRPBF

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The IR3621MTRPBF is a PWM controller suitable for a wide range of applications. This device includes an integrated half-bridge power MOSFET driver which allows a single IR3621MTRPBF to directly control two power devices. It is suitable for both isolated and non-isolated DC/DC converter topologies designed to supply both low and medium current systems. Furthermore, this device features its own internal Soft-Start, fault protection, and cycle-by-cycle current limit for an optimal system performance. It has a voltage range of 4V to 24V and operating temperature range -40C to +85C.

IR3621MTRPBF is classified as a DC/DC switching controller in the group of voltage regulators / PMICs (power management integrated circuits). In terms of application field, this device can be used in automotive, computing, consumer electronics, medical, industrial, and communication systems. It is a compatible microcontroller, used to regulate the output voltage in either buck, boost or inverting topologies in voltage conversion circuits. User-friendly diagnostics are available to provide real-time feedback along with error and fault detection.

From the working principle point of view, the IR3621MTRPBF has a basic architecture which consists of an internal high-voltage regulator, current-limit circuit, and comparator with an analog control input. This control input allows the device to be used as a PWM controller for both synchronous and asynchronous buck, boost, or inverting topologies. The high voltage regulator provides the necessary startup voltage for the switches which enable the operation of the internal power MOSFET driver, allowing it to directly control two external power devices. Furthermore, the current limit circuit and analog control input provide a user-friendly, flexible solution to control the switching of the external power devices and the output current level. This controller is also capable of setting the pulse width modulation frequency up to 1MHz, which makes it an ideal choice for the fast switching operation of DC/DC converters.

The IR3621MTRPBF is a high-performance, cost-effective device suitable for a wide range of applications. Featuring a high switching frequency and size-optimized power, this PWM controller provides user-friendly diagnostics and improved system performance. It is also compatible with several low and medium current systems, making it an ideal choice for various automotive, computing, communication, and industrial applications.

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