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ISL6625A

Renesas
Part Number ISL6625A
Manufacturer Renesas
Description Synchronous Rectified Buck MOSFET Drivers
Published Jun 14, 2019
Detailed Description ISL6625A Synchronous Rectified Buck MOSFET Drivers The ISL6625A is a high frequency MOSFET driver designed to drive uppe...
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ISL6625A
ISL6625A

Overview
ISL6625A Synchronous Rectified Buck MOSFET Drivers The ISL6625A is a high frequency MOSFET driver designed to drive upper and lower power N-Channel MOSFETs in a synchronous rectified buck converter topology.
In ISL6625A, the upper and lower gates are both driven to an externally applied voltage.
This provides the capability to optimize applications involving trade-offs between gate charge and conduction losses.
An advanced adaptive shoot-through protection is integrated to prevent both the upper and lower MOSFETs from conducting simultaneously and to minimize dead time.
The ISL6625A has a 10kΩ integrated high-side gate-to-source resistor to prevent self turn-on due to high input bus dV/dt.
This driver also has an overvoltage protection feature, which is operational while VCC is below the POR threshold.
The PHASE node is connected to the gate of the low-side MOSFET (LGATE) via a 30kΩ resistor, limiting the output voltage of the converter close to the gate threshold of the low-side MOS...


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