Single 12V Input Supply Dual Regulator Evaluation Board
PCI Express is used in many PCs as the interface to the graphics card. Although the new format allows much higher data rate, one consequence is that 5V is no longer...
The ISL6549 provides the power control and protection for two output voltages in high-performance applications. The dual-output controller drives two N-Channel MOSFETs in a synchronous rectified buck converter topology and one N-Channel MOSFET in a linear configuration. The controller is ideal for applications where regulation of both the processing unit and memory supplies is required. The synchronous rectified buck converter incorporates simple, single feedback loop, voltage-mode control with fast transient response. Both the switching regulator and linear regulator provide a maximum static regulation tolerance of ±1% over line, load, and temperature ranges. Each output is user-adjustable by means of external resistors. An integrated soft-start feature brings both supplies into regulation in a controlled manner. Each output is monitored via the FB pins for undervoltage events. If either output drops below 75% of the nominal output level, both converters are shut off and go into retry mode. The ISL6549 is available in a 14 Ld SOIC package, 16 Ld QSOP, or 16 Ld 4x4 QFN packages.
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iSim:PEオフラインシミュレーションツール iSim Personal Edition(iSim:PE)は、プロジェクトの早い段階で設計サイクルを速め、プロジェクト初期のリスクを低減し、現在のみならず次世代の設計に耐えうる部品を選定します。
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PCI Express is used in many PCs as the interface to the graphics card. Although the new format allows much higher data rate, one consequence is that 5V is no longer...
PCI Express is used in many PCs as the interface to the graphics card. Although the new format allows much higher data rate, one consequence is that 5V is no longer...
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