- Stock: In Stock
- Brand: Unbranded
- Model: 1-CHIP0474
- SKU: 1-CHIP0474
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Controller IC Chip - MOSFET ISL95833HRTZ ISL95833 95833HRTZ 95833 QFN-32 chip for laptop- Integrated portable calculator chip(SKU.1-CHIP0474)
Dual 2+1 PWM Controller for IMVP-7/VR12 CPUs
The ISL95833 Pulse Width Modulation (PWM) controller IC provides a complete solution for IMVP-7/VR12â„¢ compliantmicroprocessor and graphic processor core power supplies. It provides the control and protection for two VoltageRegulators (VRs). The first VR, typically for VCORE, incorporates 1 integrated driver and can operate in 2- or 1-phaseconfigurations. The second VR, typically for Graphics, is a single phase regulator incorporating an integrated driver. Thetwo VRs share a serial control bus to communicate with the CPU and achieve lower cost and smaller board areacompared with the two-chip approach.Both VRs utilize Intersil's Robust Ripple Regulator R3 Technologyâ„¢. The R3 modulator has numerous advantagescompared to traditional modulators, including faster transient response, variable switching frequency during loadtransients, and improved light load efficiency due to its ability to automatically change switching frequency.The ISL95833 has several other key features. Both outputs support either DCR current sensing with a single NTCthermistor for DCR temperature compensation, or more precise resistor current sensing if desired. Both outputs comewith remote voltage sense, programmable VBOOT voltage, IMAX, and switching frequency, adjustable overcurrentprotection and separate Power-Good signals
Serial Data BusDual Outputs:Configurable 2- or 1-phase for the 1st Outputusing one Integrated Gate Driver1-phase for the 2nd Output using an Integrated Gate DriverR3 ModulatorExcellent Transient ResponseHigh Light Load Efficiency0.5% System Accuracy Over-Temperature Supports Multiple Current Sensing MethodsLossless Inductor DCR Current SensingPrecision Resistor Current SensingDifferential Remote Voltage SensingProgrammable VBOOT Voltage at Start-upResistor Programmable IMAX, Switching Frequency for Both OutputsAdaptive Body Diode Conduction Time Reduction
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