Advanced Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
DATASHEET
ISL6420
Advanced Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
FN9151 Rev 5.00 Feb 13, 200...
Description
DATASHEET
ISL6420
Advanced Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
FN9151 Rev 5.00 Feb 13, 2008
The ISL6420 makes simple work out of implementing a complete control and protection scheme for a highperformance DC/DC buck converter. Designed to drive N-channel MOSFETs in a synchronous rectified buck topology, the ISL6420 integrates control, output adjustment, monitoring and protection functions into a single package. Additionally, the IC features an external reference voltage tracking mode for externally referenced buck converter applications and DDR termination supplies, as well as a voltage margining mode for system testing in networking DC/DC converter applications.
The ISL6420 provides simple, single feedback loop, voltage mode control with fast transient response. The output voltage of the converter can be precisely regulated to as low as 0.6V.
The operating frequency is fully adjustable from 100kHz to 1.4MHz. High frequency operation offers cost and space...
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