耐放射線特性、デュアル出力ポイント・オブ・ロード、統合同期バック、低ドロップアウト・レギュレータ デモボード
ISL70005SEHDEMO1Z デモボードは、耐放射線特性をもつISL70005SEH、3A降圧レギュレータおよび1Aソース/シンクLDOの性能を実証するために設計されています。デモボードは、DDRメモリのVDDQおよびVTT電源レールアプリケーション向けに特別設計されています。降圧レギュレータの出力電圧は、2.5V、1.8V...
概要
説明
The ISL70005SEH is radiation hardened dual output Point-of-Load (POL) regulator combining the high efficiency of a synchronous buck regulator with the low noise of a Low Dropout (LDO) regulator. They are suited for systems with 3.3V or 5V power buses and can support continuous output load currents of 3A for the buck regulator and ±1A for the LDO. The buck regulator uses a voltage mode control architecture and switches at a resistor adjustable frequency of 100kHz to 1MHz. Externally adjustable loop compensation allows for an optimum balance between stability and output dynamic performance. The internal synchronous power switches are optimized for high efficiency and excellent thermal performance. The LDO is completely configurable independent of the switching regulator. It uses NMOS pass devices and separate chip bias voltage (L_VCC) to drive its gate, enabling the LDO to operate with a very low voltage at the L_VIN input. The LDO can sink and source up to 1A continuously, making it an ideal choice to power DDR memory. The ISL70005SEH is available in a space-saving 28 Ld ceramic dual flat-pack package or in die form. It is specified to operate across a temperature range of TA = -55 °C to +125 °C.
特長
- Electrically screened to DLA SMD 5962-19209
- Dual output regulator: 3A Synchronous buck and ±1A LDO
- DDR, DDR2, DDR3, and DDR4 VDDQ/VTT regulator
- Independent EN, SS, and PG indicators
- ±1% reference voltage
- 1A current sourcing/sinking capability on LDO
- External clock synchronization: 100kHz to 1MHz
- Full military temperature range operation
- TA = -55 °C to +125 °C
- TJ = -55 °C to +150 °C
- TID Rad Hard Assurance (RHA) testing
- HDR (50-300rad(Si)/s): 100krad(Si)
- LDR (0.01rad(Si)/s): 75krad(Si)
- SEE hardness (see test report)
- No DSEE with VDD = 6.0V at LET 86.4MeV•cm2/mg
- No SEFI at LET 43MeV•cm2/mg
製品比較
アプリケーション
- Point-of-load for low power FPGA core
- Auxiliary and I/O supply voltages
- DDR memory power for VDDQ and VTT rails
- Distributed power system of satellite payloads
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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ボード＆キット
耐放射線特性、デュアル出力ポイント・オブ・ロード、統合同期バック、低ドロップアウト・レギュレータ評価ボード
ISL70005SEHEV2Z 評価ボードは、耐放射線特性をもつISL70005SEH、3A降圧レギュレータおよび1Aソース/シンクLDOの性能を評価するために設計されています。3V~5.5V入力に最適化されており、3A、1.8V~3.3Vの降圧出力と1Aソース/シンク、1.2V LDO出力を生成します。ボード上の入出力接続...
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モデル
ECADモデル
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Processing table
| CFP | Tray | 1 | Not Applicable | サンプルを入手, | ||
| CFP | Tray | 25 | 5962R1920901VXC | Not Applicable | ||
| 10 | 5962R1920901V9A | |||||
| DIE | 5 |
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