ISL95837HRZ-T Electronic IC Chips microchips and integrated circuits

Stock Offer (Hot Sell)

ISL95837 3+1 and 1+1 Voltage Regulator for IMVP-7/VR12™ CPUs

Key Features

Serial Data Bus

Dual Outputs:

    Configurable 3-, 2- or 1-phase for the 1st Output using 2 integrated Gate Drivers

    1-phase for the 2nd Output using an Integrated Gate Driver

0.5% System Accuracy Over-Temperature

Supports Multiple Current Sensing Methods

    Lossless Inductor DCR Current Sensing

    Precision Resistor Current Sensing

Differential Remote Voltage Sensing

Programmable V_BOOT Voltage at Start-up

Resistor Programmable I_MAX, T_MAX for Both Outputs

Adaptive Body Diode Conduction Time Reduction

Description

Compliant with IMVP-7/VR12™, the ISL95835 provides a complete solution for microprocessor and graphic processor core power supply. It provides two Voltage Regulators (VRs) with three integrated gate drivers. The first VR can be configured as 3-, 2- or 1-phase VR while the second output is 1-phase VR, providing maximum flexibility.

The two VRs share the serial control bus to communicate with the CPU and achieve lower cost and smaller board area compared with the two-chip approach.

Based on Intersil’s Robust Ripple Regulator (R3) technology™, the PWM modulator compared to traditional modulators, has faster transient settling time, variable switching frequency during load transients and has improved light load efficiency with it’s ability to automatically change switching frequency.

The ISL95835 has several other key features. Both outputs support DCR current sensing with single NTC thermistor for DCR temperature compensation or accurate resistor current sensing. Both outputs come with remote voltage sense, programmable V_BOOT voltage, programmable I_MAX, T_MAX, adjustable switching frequency, OC protection and separate Power-Good.