Rad Hard 9A Buck Regulator Evaluation Board
The ISL70003ASEHEV1Z evaluation board is designed to evaluate the performance of the ISL70003ASEH, a TID and SEE hardened 9A synchronous buck regulator IC with...
Radiation and SEE Tolerant 3V to 13.2V, 9A Buck Regulator
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概要
説明
The ISL70003ASEH is an improved version of the ISL70003SEH regulator with both tighter load regulation (<0.3% typical) and a higher output current rating of 9A. Operating over an input voltage range of 3.0V to 13.2V with integrated low rDS(ON) MOSFETs makes this monolithic solution highly efficient. Also, a tightly regulated output voltage is possible, which is externally adjustable from 0.6V to ~90% of the input voltage. Continuous output load current capability is 9A for TJ ≤ +125 °C and 6A for TJ ≤ +150 °C. The ISL70003ASEH uses voltage mode control architecture with feed-forward and switches at a selectable frequency of 500kHz or 300kHz. Loop compensation is externally adjustable to allow for an optimum balance between stability and output dynamic performance. The device features two logic-level disable inputs that can be used to inhibit pulses on the phase (LXx) pins to maximize efficiency based on the load current. The ISL70003ASEH also supports DDR applications and contains a buffer amplifier for generating the VREF voltage. High integration, best-in-class radiation performance and a feature-filled design make the ISL70003ASEH an ideal choice to power many of today’s small form-factor applications.
特長
- Acceptance tested to 50krad(Si) (LDR) wafer-by-wafer
- ±1% reference voltage over line, temperature, and radiation
- Integrated MOSFETs 31mΩ PFET/21mΩ NFET; 95% peak efficiency
- Externally adjustable loop compensation
- Supports DDR applications (VTT tracks VDDQ/2)
- Grounded lid eliminates charge build up
- IMON pin for output current monitoring
- Adjustable analog soft-start
- Diode emulation for increased efficiency at light loads
- 500kHz or 300kHz operating frequency
- Monotonic start-up into prebiased load
- Full military temperature range operation
- TA = -55 °C to +125 °C
- TJ = -55 °C to +150 °C
- Radiation Acceptance (See TID Report)
- High dose rate (50-300rad(Si)/s): 100krad(Si)
- Low dose rate (0.01rad(Si)/s): 50krad(Si)
- SEE hardness (See SEE report)
- SEB and SEL LETTH: 86.4MeV•cm2/mg
- SET at LET 86.4MeV•cm2/mg: < ±3% ΔVOUT
- SEFI LETTH: 60MeV•cm2/mg
- Electrically screened to DLA SMD 5962-14203
アプリケーション
アプリケーション
- FPGA
- CPLD
- DSP
- CPU core
- And I/O supply voltages
- DDR memory supply voltages
- Low-voltage
- High-density distributed power systems
ドキュメント
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日付 | |
|---|---|---|
| PDF 1.71 MB | データシート | |
| PDF 467 KB | カタログ | |
| PDF 4.85 MB | カタログ | |
| PDF 414 KB | アプリケーションノート | |
| PDF 360 KB | Price Increase Notice | |
| その他資料 | ||
| PDF 254 KB | ホワイトペーパー | |
| PDF 912 KB | マニュアル－開発ツール | |
| PDF 398 KB | レポート | |
| PDF 1.20 MB | マニュアル－開発ツール | |
| PDF 533 KB | ホワイトペーパー | |
| PDF 1.15 MB | レポート | |
| PDF 461 KB | レポート | |
| PDF 410 KB | 技術概要 | |
| PDF 304 KB | アプリケーションノート | |
| PDF 583 KB | アプリケーションノート | |
| PDF 312 KB | アプリケーションノート | |
| PDF 212 KB | その他資料 | |
| PDF 338 KB | アプリケーションノート | |
19 items
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設計・開発
ソフトウェア／ツール
ソフトウェア／ツール
| Software title
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Software type
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会社名
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|---|---|---|
| iSim:PE Offline Simulation Tool iSim Personal Edition (iSim:PE) speeds the design cycle and reduces risk early in any project, identifying parts that can be used in current as well as next-generation designs.
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Simulator | ルネサス |
1 item
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ボード＆キット
ボード＆キット
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Processing table
| CQFP | Tray | 1 | |||
| CQFP | Tray | 25 | 5962R1420302VYC | ||
| 10 | 5962R1420302V9A | ||||
| DIE | 5 |
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