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ADP1051 - Digital Controller

Description

Versatile digital voltage mode controller High speed input voltage feedforward control 6 pulse-width modulation (PWM) logic outputs with 625 ps resolution Switching frequency: 49 kHz to 625 kHz Frequency synchronization as master and slave device Multiple energy saving modes Adaptive dead time comp

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Full PDF Text Transcription

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Data Sheet Digital Controller for Isolated Power Supply with PMBus Interface ADP1051 FEATURES GENERAL DESCRIPTION Versatile digital voltage mode controller High speed input voltage feedforward control 6 pulse-width modulation (PWM) logic outputs with 625 ps resolution Switching frequency: 49 kHz to 625 kHz Frequency synchronization as master and slave device Multiple energy saving modes Adaptive dead time compensation for efficiency optimization Low device power consumption: 100 mW typical Direct parallel control for power supplies without OR’ing devices Accurate droop current share Pre-bias startup Reverse current protection Conditional overvoltage protection Extensive fault detection and protection PMBus compliant Graphical user interface (GUI) for ease of programming On-board EEPROM
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