ISL95836HRTZ-T Datasheet

3+2 Voltage Regulator for IMVP-7/VR12? CPUs


Compliant with IMVP-7/VR12™, the ISL95836 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 VR could be configured as 2- or 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 ISL95836 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 VBOOT voltage, IMAX and switching frequency, adjustable OC protection and separate Power-Good.

• Serial Data Bus
• Dual Outputs:
   - Configurable 3-, 2- or 1-phase for the 1st Output using 2
      integrated Gate Drivers
   - Configurable 2- or 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 VBOOT Voltage at Start-up
• Resistor Programmable IMAX, Switching Frequency for Both
• Adaptive Body Diode Conduction Time Reduction

• IMVP-7/VR12 Compliant Computers



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Manufacturer information


Intersil Corporation is a market leader in power management and precision analog technology for many of the most rigorous applications in the computing, consumer, and industrial markets. The company supplies a full range of power IC solutions including battery management, computing power, display power, regulators and controllers, and power modules; as well as precision analog components such as amplifiers and buffers, proximity and light sensors, data converters, timing products, optoelectronics and interface products. As a major supplier to the military and aerospace industries, Intersil’s product development methodologies reflect experience designing products to meet the highest standards for reliability and performance in challenging environments.

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