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NCP5359A - Gate Driver

General Description

SOIC 8 1 2 DFN8 1 2 Symbol BST PWM Description Upper MOSFET Floating Bootstrap Supply Pin PWM Input Pin When PWM voltage is higher than 2.2 V, DRVH will set to 1 and DRVL set to 0 When PWM voltage is lower than 0.8 V, DRVL will set to 1 and DRVH set to 0 When 0.8 V < PWM < 2.2 V and SW < 0,

Key Features

  • http://onsemi. com.

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Full PDF Text Transcription (Reference)

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NCP5359A Gate Driver for Notebook Power Systems The NCP5359A is a high performance dual MOSFET gate driver optimized to drive the gates of both high−side and low−side power MOSFETs in a synchronous buck converter. Each of the drivers can drive up to 3 nF load with a 25 ns propagation delay and 15 ns transition time. Adaptive nonoverlap and power saving operation circuit can provide a low switching loss and high efficiency solution for notebook and desktop systems. A high floating top driver design can accommodate VBST voltage as high as 35 V, with transient voltages as high as 35 V. Bidirectional EN pin can provide a fault signal to controller when the gate driver fault detect under OVP, UVLO occur.