Power Integrity

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Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC7820, a high-power fixed ratio charge pump DC/DC controller that eliminates the power inductor in a non-isolated intermediate bus converter, allowing up to a 50 percent reduction in circuit size and up to 4000 W/in³ power density.

We have to use enough capacitors so that the PDN functions properly. At the same time, to keep cost and size in check, we want to avoid overdesign and not use capacitors unnecessarily. Read on for advice on how to find the balance.

Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC3246, a compact, low noise buck-boost charge pump with integrated watchdog timer capable of up to 500 mA of output current.

Analog Devices, Inc., which recently acquired Linear Technology Corp., announces the LT4294 IEEE 802.3bt Powered Device (PD) interface controller for applications requiring up to 71W of delivered power. This new Power over Ethernet (PoE) standard – IEEE 802.3bt – increases the power budget to enable new applications and features, while supporting 10 Gigabit Ethernet (10GBASE-T) and maintaining backward compatibility with older IEEE 802.3af and 802.3at PoE equipment.