9A, 3.8V to 18V Input, Synchronous Buck Regulator Evaluation Board
The ISL85009EVAL1Z platform allows for quick evaluation of the high-performance features of the ISL85009 buck regulator.
The ISL85009 is a 3.8V to 18V input, 9A...
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概要
説明
The ISL85009 is a highly efficient, monolithic, synchronous buck regulator that can deliver 9A of continuous output current from a 3. 8V to 18V input supply. The device uses current mode control architecture with a fast transient response and excellent loop stability. The ISL85009 integrates very low ON-resistance high-side and low-side FETs to maximize efficiency and minimize external component count. The minimum BOM and easy layout footprint are extremely friendly to space constraint systems. The operation frequency of this device can be set using the FREQ pin: 600kHz (FREQ = float) and 300kHz (FREQ = GND). The device can also be synchronized to an external clock up to 1MHz. Both high-side and low-side MOSFET current limit along with reverse current limit, fully protect the regulator in an overcurrent event. Selectable OCP schemes can fit various applications. Other protections, such as input/output overvoltage and over-temperature, are also integrated into the device which give required system level safety in the event of fault conditions. The ISL85009 is offered in a space saving 15 Ld 3. 5mmx3. 5mm Pb-free TQFN package with great thermal performance and 0. 8mm maximum height.
特長
- Power input voltage range variable 3.8V to 18V
- PWM output voltage adjustable from 0.6V
- Up to 9A output load
- Prebias start-up, fixed 3ms soft-start
- Selectable fSW of 300kHz, 600kHz, and external synchronization up to 1MHz
- Peak current mode control
- DCM/CCM
- Thermally compensated current limit
- Internal/external compensation
- Open-drain PG window comparator
- Output overvoltage and thermal protection
- Input overvoltage protection
- Integrated boot diode with undervoltage detection
- Selectable OCP schemes
- Hiccup OCP
- Latch-off
- Compact size 3.5mmx3.5mm, 15 Ld TQFN
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| 分類 | タイトル | 日時 |
| データシート | PDF 1.75 MB | |
| ホワイトペーパー | PDF 378 KB | |
| アプリケーションノート | PDF 592 KB | |
| アプリケーションノート | PDF 509 KB | |
| アプリケーションノート | PDF 397 KB | |
| アプリケーションノート | PDF 650 KB | |
| アプリケーションノート | PDF 387 KB | |
| アプリケーションノート | PDF 349 KB | |
8件
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設計・開発
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| iSim:PEオフラインシミュレーションツール iSim Personal Edition（iSim：PE）は、プロジェクトの早い段階で設計サイクルを速め、プロジェクト初期のリスクを低減し、現在のみならず次世代の設計に耐えうる部品を選定します。
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Simulator | ルネサス |
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ビデオ&トレーニング
12V Sync Buck Regulator Family Delivers Up to 14A
Find out how Intersil's high efficient, compact 12V synchronous buck regulator family can meet your power requirements for 12V rails in industrial and infrastructure applications.
Transcript
12V Synchronous Buck Regulator Family
Today I would like to introduce one of the most efficient and compact synchronous buck regulator families in the marketplace today.
There are many 12V rails in industrial applications today that need a buck converter to step the voltage down to a lower voltage and deliver up to 14A. Some of these applications often require a very efficient and compact solution. The highly integrated buck regulators listed here allow the users to meet all these requirements.
The ISL85009, ISL85012 and ISL85014 are pin compatible, very efficient and are able to deliver up to 14A. In applications that need less than 5A, Renesas offers ISL85003 and ISL85005 that are pin compatible. The ISL85009, ISL85012 and ISL85014 can operate from 3.8V to 18V input voltage, and the output voltage can be set as low as 0.6V. This family is highly integrated. The high-side and low-side FETs, with a bootstrap diode and compensation circuits are all integrated which helps to reduce the size, cost and bill of material.
This family is also highly reliable. It has high-side and low-side overcurrent protection, input and output overvoltage protection, over-temperature protection and negative current protection all integrated in the IC. This family also provides full feature sets and design flexibility to customers.
For instance, the selectable OCP scheme feature gives flexibility to the power supply designer to choose between hiccup and latch-off OCP mode, depending on their application requirements. Finally, the ISL85009, ISL85012 and ISL85014 are pin compatible, highly efficient and capable of delivering up to 14A in a very small 3.5mm x 3.5mm TQFN package.
As you see in the efficiency curve here, the ISL85009 provides one of the most efficient solution in the marketplace today. To support our customers with this family, we have developed several evaluation and demo boards.
Supporting tools such as iSim model, PowerCompass, schematic and Gerber files are all available online for this family on our website.
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