Single Phase Solution Capable of 12A Max Load Current
The ISL70002SEHEVAL1Z evaluation board is used to evaluate the features of the ISL70002SEH radiation hardened and SEE hardened 22A synchronous buck regulator IC with...
主要ドキュメント:
概要
説明
The ISL70002SEH is a radiation hardened and SEE hardened high-efficiency monolithic, synchronous buck regulator with integrated MOSFETs. This single-chip power solution operates over an input voltage range of 3V to 5.5V and provides a tightly regulated output voltage that is externally adjustable from 0.8V to ~85% of the input voltage. Output load current capability is primarily determined by PVIN voltage with up to 22A for a single IC at PVIN ≤ 5. 5V for TJ ≤ +125°C. Two ISL70002SEH devices, configured to current share, can provide up to 38A of total output current at PVIN ≤ 5. 5V for TJ ≤ +125 °C assuming ±27% worst-case current share accuracy. The ISL70002SEH uses peak current-mode control with integrated error amp compensation and pin-selectable slope compensation. Switching frequency is also pin selectable to either 1MHz or 500kHz. Two devices can be synchronized 180° out-of-phase to reduce input RMS ripple current. High integration makes the ISL70002SEH an ideal choice to power small form factor applications. Two devices can be synchronized to provide a complete power solution for large-scale digital ICs, like field-programmable gate arrays (FPGAs) that require separate core and I/O voltages.
特長
- DLA SMD 5962-12202
- Maximum output current (Single Phase):
- 22A with external Schottky (TJ ≤125°C, PVIN ≤5.5V)
- 18A (TJ ≤125°C, PVIN ≤5.5V)
- 14A (TJ ≤125°C, PVIN ≤6.2V)
- 12A (TJ ≤150°C, PVIN ≤6.2V)
- Maximum output current (Dual Phase)
- 38A (27% worst case current sharing)
- 1MHz or 500kHz switching frequency
- 3V to 6.2V supply voltage range
- ±1% reference voltage (line, load, temperature, and rad)
- Redundancy/junction isolation: exceptional SET performance
- Excellent transient response
- High efficiency >90%
- Two ISL70002SEH synchronization, inverted-phase
- Comparator input for enable and power-good
- Input undervoltage, output undervoltage, and adjustable output overcurrent protection
- QML qualified per MIL-PRF-38535
- Full military temperature range operation (-55 °C to +125 °C)
- Radiation environment
- HDR (50-300rad(Si)/s): 100krad(Si)
- LDR (0.01rad(Si)/s): 50krad(Si)
- SEE hardness
- SEL and SEB LETTH 86.4MeV/mg/cm2
- SEFI LETTH 43MeV/mg/cm2
- SET LETTH 86.4MeV/mg/cm2
製品比較
アプリケーション
- FPGA, CPLD, DSP, CPU core and I/O voltages
- Low-voltage, high-density distributed power systems
設計・開発
ソフトウェア／ツール
ソフトウェア／ツール
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Software type
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会社名
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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
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モデル
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Processing table
| CQFP | Tray | 1 | |||
| CQFP | Tray | 1 | |||
| CQFP | Tray | 25 | 5962R1220201VXC | ||
| CQFP | Tray | 25 | 5962R1220201VYC | ||
| DIE | 10 | 5962R1220201VYC | |||
| DIE | 5 |
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