nn Expands Up to Four Phases per Chip nn Up to 80V Input or Output Voltage nn Cascade with Multiple Chips for Very High Current
Applications nn Supports Up to 18 Distinct Phases from 20° to 180° nn Phases Can Share Phase Angle nn Excellent DC and Transient Current Sharing nn Phase-Lockable Fixed Fr
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LT8550
4-Phase DC/DC Expander with
Internal Gate Drivers for Buck Converters
FEATURES
DESCRIPTION
nn Expands Up to Four Phases per Chip nn Up to 80V Input or Output Voltage nn Cascade with Multiple Chips for Very High Current
Applications nn Supports Up to 18 Distinct Phases from 20° to 180° nn Phases Can Share Phase Angle nn Excellent DC and Transient Current Sharing nn Phase-Lockable Fixed Frequency 125kHz to 1MHz nn Supports Bidirectional Current Flow nn RSENSE or DCR Current Sensing nn Eliminates the Need to Route Sensitive Feedback and
Control Signals nn 52-Lead (7mm × 8mm) QFN Package
APPLICATIONS
The LT®8550 is a multiphase expander for synchronous buck DC/DC converters.
LT8550 Datasheet
