Dual Regulator-Standard Buck PWM And Linear Power Controller

The ISL6528 provides the power control and protection for two output voltages in high-performance graphics cards and other embedded processor applications. The dual-output controller drives an N-Channel MOSFET in a standard buck topology and a NPN pass Transistor in a linear configuration. The ISL6528 provides both a regulated high current, low voltage supply and an independent, lower current supply integrated in an 8-lead SOIC package. The controller is ideal for graphics card applications where both graphics processing unit (GPU) and memory supplies are required.
The standard buck converter is a simple, single feedback loop, voltage-mode control with fast transient response. Both the Switching Regulator and linear Regulator provide a maximum static regulation tolerance of 2% over line, load, and temperature ranges. Each output is user-adjustable by means of external resistors.
An integrated soft-start feature brings both supplies into regulation in a controlled manner. Each output is monitored via the FB pins for undervoltage events. If either output drops below 52.5% of the internal reference voltage, both Regulators are shutdown.
By Intersil Corporation
ISL6528 's PackagesISL6528 's pdf datasheet

ISL6528 Pinout, Pinouts
ISL6528 pinout,Pin out
This is one package pinout of ISL6528,If you need more pinouts please download ISL6528's pdf datasheet.

ISL6528 Application circuits
ISL6528 circuits
This is one application circuit of ISL6528,If you need more circuits,please download ISL6528's pdf datasheet.

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