Switching regulator controllers set a new standard for transient response
Dave Dwelley
Abstract
The LTC1702 and LT1703, a new family of low voltage, high speed switching regulator controllers, are described.
Keywords
Switching regulator controller
LTC1702
LTC1703
The LTC1702 is the first in a new family of low voltage, high speed switching regulator controllers. It is designed to operate from a standard 5V logic supply and generate two lower voltage, high current regulated outputs. Running at a fixed 550kHz switching frequency, each side of the LTC1702 features a voltage feedback architecture with a 25MHz gain-bandwidth op amp as the feedback amplifier, allowing loop crossover frequencies in excess of 50kHz. Powerful onboard ...
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