Features
- +8V ±5% to +14V ±10% Bias Voltage Range
- 1.5V to 15.4V Input Voltage Range
- 0.597V Internal Reference Voltage
- ±1.0% Over the Commercial Temperature Range
- ±1.5% Over the Industrial Temperature Range
- Voltage-Mode PWM Control with Dual-Edge Modulation
- 14V High Speed N-Channel MOSFET Gate Drivers
- 2.0A Source/3A Sink at 14V Bottom-Side Gate Drive
- 1.25A Source/2A Sink at 14V Top-Side Gate Drive
- Fast Transient Response
- 15MHz (typ) Gain-Bandwidth Error Amplifier with 6V/µs slew rate
- Full 0% to 100% Duty Cycle Support
- Programmable Operating Frequency from 50kHz to 1.5MHz
- Lossless Programmable Overcurrent Protection
- Top-Side MOSFET's rDS(ON) Sensing
- ~120ns Blanking Time
- Sourcing and Sinking Current Capability
- Support for Start-Up into Prebiased Loads
- Soft-Start Done and an External Reference Pin for Tracking Applications are Available in the QFN Package
- Pb-free available (RoHS compliant)
ISL8104 Functional Diagram
Description
The ISL8104 is a 8V to 14V synchronous PWM controller with integrated MOSFET drivers. The controller features the ability to safely start-up into prebiased output loads and provides protection against overcurrent fault events. Overcurrent protection is implemented using top-side MOSFET rDS(ON) sensing, eliminating the need for a current sensing resistor. The ISL8104 employs voltage-mode control with dual-edge modulation to achieve fast transient response. The operating frequency is adjustable from 50kHz to 1.5MHz with full (0% to 100%) PWM duty cycle capability. The error amplifier features a 15MHz (typ) gain-bandwidth product and 6V/µs slew rate enabling high converter bandwidth. The output voltage of the converter can be regulated to as low as 0.597V with a tolerance of ±1.0% over the commercial temperature range (0°C to +70°C), and ±1.5% over industrial temperature range (-40°C to +85°C). Provided in the QFN package, a SS pin and REFIN pin enable supply sequencing and voltage tracking functionality.
Applications
- Test and Measurement Instruments
- Distributed DC/DC Power Architecture
- Industrial Applications
- Telecom/Datacom Applications
| Part Number | Status | Samples | Stock | RoHS | Package | Carrier Type |
|---|---|---|---|---|---|---|
| ISL8104CRZ | Obsolete | N/A | In Stock | RoHS:EN | QFN | Tube |
| ISL8104CRZ-T | Obsolete | N/A | Out of Stock | RoHS:EN | QFN | Reel |
| ISL8104IBZ | Obsolete | N/A | In Stock | RoHS:EN | SOIC | Tube |
| ISL8104IBZ-T | Obsolete | N/A | In Stock | RoHS:EN | SOIC | Reel |
| ISL8104IRZ | Obsolete | N/A | In Stock | RoHS:EN | QFN | Tube |
| ISL8104IRZ-T | Obsolete | N/A | Out of Stock | RoHS:EN | QFN | Reel |
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- Product Change NoticePDF 326 KB May 21, 2021
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- Product Change NoticePDF 108 KB PCN12068 Aug 21, 2012
- Product Change NoticePDF 248 KB PCN10055 Jun 30, 2010
- 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.
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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.
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- Product Change NoticePDF 326 KB May 21, 2021
- Product Change NoticePDF 266 KB Jun 04, 2020
- Product AdvisoryPDF 106 KB PA16061 Jun 08, 2016
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