Overview
Description
The ISL95854, fully compliant with Intel IMVP8™ specifications, provides a complete solution for microprocessor core power supply. It also provides a Voltage Regulator (VR) with an integrated gate driver. The VR uses the serial control bus (SVID) to communicate with the CPU and achieves lower cost and smaller board area. 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 its ability to automatically change switching frequency. The ISL95854 has several other key features. The output supports DCR current sensing with single NTC thermistor for DCR temperature compensation or accurate resistor current sensing. The output comes with remote voltage sense, programmable VBOOT voltage, programmable ICCMAX, programmable voltage transition slew rate, adjustable switching frequency, overcurrent protection and power-good output.
Features
- Serial data bus
- Single output VR with integrated gate driver
- Precision core voltage regulation
- 0.5% system accuracy over temperature
- Enhanced load line accuracy
- 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 ICCMAX and voltage transition slew rate
- Adaptive body diode conduction time reduction
- System input power monitor
Comparison
Applications
Documentation
Featured Documentation
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| Type | Title | Date |
| Datasheet | PDF 1.34 MB | |
| Datasheet - Short-form | PDF 190 KB | |
| Product Change Notice | PDF 326 KB | |
| Product Change Notice | PDF 213 KB | |
| Other | PDF 178 KB | |
| Application Note | PDF 509 KB | |
| Application Note | PDF 397 KB | |
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Design & Development
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
Processing table
| QFN | Tube | 750 | 3 | Get Samples, | |
ISL95854HRZ-T Active Samples Available |
QFN | Reel | 6000 | 3 | Get Samples, |
| QFN | Tube | 750 | 3 | Get Samples, | |
ISL95854IRZ-T Active Samples Available |
QFN | Reel | 6000 | 3 | Get Samples, |
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