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ISL6548A

Renesas
Part Number ISL6548A
Manufacturer Renesas
Description ACPI Regulator/Controller
Published Jun 17, 2019
Detailed Description DATASHEET ISL6548A ACPI Regulator/Controller for Dual Channel DDR Memory Systems FN9189 Rev 2.00 January 3, 2006 The ...
Datasheet PDF File ISL6548A PDF File

ISL6548A
ISL6548A

Overview
DATASHEET ISL6548A ACPI Regulator/Controller for Dual Channel DDR Memory Systems FN9189 Rev 2.
00 January 3, 2006 The ISL6548A provides a complete ACPI compliant power solution for up to 4 DIMM dual channel DDR/DDR2 Memory systems.
Included are both a synchronous buck controller to supply VDDQ during S0/S1 and S3 states.
During S0/S1 state, a fully integrated sink-source regulator generates an accurate (VDDQ/2) high current VTT voltage without the need for a negative supply.
A second PWM controller, which requires external MOSFET drivers, is available for regulation of the GMCH Core voltage.
A sink/source LDO controller is also integrated for the CPU/GMCH VTT termination voltage regulation.
Another LDO is available for the ICH7 voltage.
The switching PWM controller drives two N-Channel MOSFETs in a synchronous-rectified buck converter topology.
The synchronous buck converter uses voltagemode control with fast transient response.
The switching regulator provides a maximum static regul...


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