intersil ISL6622B Manual

Update: 30 September, 2023

ISL6622B is a high frequency MOSFET driver from ISL designed to work with VR11.1 controllers for driving upper and lower power N-channel MOSFETs in a synchronous rectified buck converter topology. When ISL6622B detects a PSI PWM protocol sent by an Intersil VR11.1 controller, it activates Diode Emulation (DE) operation; otherwise, it operates in normal Continuous Conduction Mode (CCM) PWM mode. In the 8 Ld SOIC package, the ISL6622B drives the upper gate to 12V while the lower drive voltage is fixed at 5.75V. The 10 Ld DFN part offers more flexibility: the upper gate can be driven from 5V to 12V via the UVCC pin, while the lower gate has a resistor-selectable drive voltage of 5.75V, 6.75V, and 7.75V (typical). This provides the flexibility necessary to optimize applications involving trade-offs between gate charge and conduction losses. ISL6622B employs a high-frequency, high-efficiency synchronous rectified buck converter topology to provide excellent light load efficiency.

Brand: intersil

File format: PDF

Size: 255 KB

MD5 Checksum: 277FFB768559DDC0C8680EA0B7F75F98

Publication date: 28 March, 2012

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PDF Link: intersil ISL6622B Manual PDF

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