ISL8204MIRZ-T

Current - Output (Max):	4A
Base Part Number:	ISL8204M
Control Features:	Enable, Active High
Supplier Device Package:	15-QFN (15x15)
Size / Dimension:	0.59" L x 0.59" W x 0.14" H (15.0mm x 15.0mm x 3.5mm)
Package / Case:	15-PowerBQFN Module
Mounting Type:	Surface Mount
Efficiency:	95%
Operating Temperature:	-40°C ~ 85°C
Features:	--
Applications:	ITE (Commercial)
Series:	--
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	0.6 ~ 6 V
Voltage - Input (Max):	20V
Voltage - Input (Min):	1V
Number of Outputs:	1
Type:	Non-Isolated PoL Module
Part Status:	Active
Packaging:	Tape & Reel (TR)

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DC DC Converters：ISL8204MIRZ-T Application Field and Working Principle

DC (direct current) DC converters provide reliable and efficient power conversion solutions by transforming one DC voltage into another. The Intersil ISL8204MIRZ-T is an example of such a widely utilized device. This article examines the primary features of this device and the specific application field and working principle for which it is designed.

Overview and Features

The ISL8204MIRZ-T is a synchronous, step-down DC to DC converter with a high-efficiency monolithic signal-processing center. This device operates from a single input voltage of up 4.5V to a competitively low-voltage output. It provides integrated control and fault diagnosis circuits with on/off control limiting the peak current drawn from the input supply. As a added safety measure, the ISL8204MIRZ-T also incorporates an integrated over temperature circuit that limits continuous temperature ratings of the device to +125C°.

Application Field

The Intersil ISL8204MIRZ-T is used in a variety of solutions for processing and distributing power. It is a versatile device capable of operating from a single input source. Therefore, it is specifically suited for a range of voltage-conversion and voltage-regulator applications such as automotive power management, embedded systems, gaming consoles, handheld devices, displays, and various consumer electronics.

Working Principle

The ISL8204MIRZ-T utilizes a synchronous buck topology, which provides for increased energy efficiency and lower output ripple voltage. The device includes a 100% duty cycle, low-side, N-Channel MOSFET synchronous power converter that allows for a continuous conduction mode of operation over the full supply range, allowing for a 3A output current.The ISL8204MIRZ-T is a fixed-frequency device that operates at 250kHz. This high switching frequency ensures that the device can operate at a wide range of output voltages while maintaining a low output ripple voltage. The ISL8204MIRZ-T also includes integrated control, protections, and fault diagnosis circuits to ensure reliable operation over its operating range.The ISL8204MIRZ-T includes an integrated on/off control circuit that is used to keep the peak current drawn from the input supply in check. In the event of an over temperature situation, the device has an integrated circuit that reduces the current limit to ensure safe operation of the device.

Conclusion

The ISL8204MIRZ-T DC to DC converter is a versatile device suitable in a variety of applications from Aotos to handhelds. It operates using a synchronous buck topology and a fixed frequency of 250kHz, for reduced power consumption and higher efficiency. The device also comes with safety features that monitor temperature, and keeps the peak current drawn from the input supply within limits. Overall, the ISL8204MIRZ-T is a reliable, efficient, and versatile power-processing solution.

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