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 VBOOT Voltage at Start-up
- Resistor Programmable IMAX, TMAX for Both Outputs
- Adaptive Body Diode Conduction Time Reduction
ISL95835_ISL95837 Functional Diagram
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 VBOOT voltage, programmable IMAX, TMAX, adjustable switching frequency, OC protection and separate Power-Good. The ISL95837 can be considered as ISL95835 dedicated for 1+1 application. VR1 and VR2 are both 1-phase VR.
Applications
- IMVP-7/VR12 Compliant Computers
| Part Number | Status | Samples | Stock | RoHS | Package | Lead Count (#) | Carrier Type | Moisture Sensitivity Level (MSL) | Pb (Lead) Free | Pb Free Category | Temp. Range (°C) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ISL95835HRZ | Obsolete | N/A | Out of Stock | RoHS:EN | QFN | 40# | Tube | 3 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -10 to +100°C |
| ISL95835HRZ-T | Obsolete | N/A | Out of Stock | RoHS:EN | QFN | 40# | Reel | 3 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -10 to +100°C |
| ISL95835IRZ | Obsolete | N/A | Out of Stock | RoHS:EN | QFN | 40# | Tube | 3 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C |
| ISL95835IRZ-T | Obsolete | N/A | Out of Stock | RoHS:EN | QFN | 40# | Reel | 3 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C |
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- Product Change NoticePDF 110 KB PCN14038 Jul 21, 2014
- Product Change NoticePDF 294 KB PCN14036 Jul 08, 2014
- Product Change NoticePDF 223 KB PCN13060 Oct 30, 2013
- DatasheetISL95835, ISL95837 DatasheetRECOMMENDED
- Product AdvisoryPDF 200 KB PA12014 Mar 01, 2012
- Application NotePDF 397 KB an1684 Jan 19, 2004AI-generated Summary: The document outlines important legal disclaimers and usage guidelines for semiconductor products. It emphasizes user responsibility for product design and safety, disclaims liability for damages, and clarifies no intellectual property licenses are granted. Products are categorized by quality grades with specific application recommendations. Users must comply with laws, avoid unauthorized modifications, and ensure safe use within specified conditions. Contact details for Renesas Electronics sales offices worldwide are provided.
- Application NotePDF 509 KB an1681 Jan 19, 2004AI-generated Summary: The document explains grounding techniques for PCB layouts using a dual op amp example on a single-layer copper board. It compares three grounding schemes: a center spine ground trace, an outer ground plane, and a split/star ground plane, highlighting the benefits of single-point grounding to minimize noise and antenna effects. It emphasizes following current paths, minimizing loop lengths, and ensuring close forward and return paths to reduce interference. The document also includes disclaimers on product use, quality grades, safety, and legal compliance.
- DatasheetISL95835, ISL95837 DatasheetRECOMMENDED
Recommended Documents (2)
- DatasheetISL95835, ISL95837 DatasheetRECOMMENDED
Datasheets (2)
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- Application NotePDF 397 KB an1684 Jan 19, 2004AI-generated Summary: The document outlines important legal disclaimers and usage guidelines for semiconductor products. It emphasizes user responsibility for product design and safety, disclaims liability for damages, and clarifies no intellectual property licenses are granted. Products are categorized by quality grades with specific application recommendations. Users must comply with laws, avoid unauthorized modifications, and ensure safe use within specified conditions. Contact details for Renesas Electronics sales offices worldwide are provided.
- Application NotePDF 509 KB an1681 Jan 19, 2004AI-generated Summary: The document explains grounding techniques for PCB layouts using a dual op amp example on a single-layer copper board. It compares three grounding schemes: a center spine ground trace, an outer ground plane, and a split/star ground plane, highlighting the benefits of single-point grounding to minimize noise and antenna effects. It emphasizes following current paths, minimizing loop lengths, and ensuring close forward and return paths to reduce interference. The document also includes disclaimers on product use, quality grades, safety, and legal compliance.
Application Notes & White Papers (2)
- Product Change NoticePDF 110 KB PCN14038 Jul 21, 2014
- Product Change NoticePDF 294 KB PCN14036 Jul 08, 2014
- Product Change NoticePDF 223 KB PCN13060 Oct 30, 2013
- Product AdvisoryPDF 200 KB PA12014 Mar 01, 2012
Product Notices (PCN, EOL, etc) (4)
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