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ISL73005SEH - Radiation Hardened Dual Output 3A Synchronous Buck and LDO Regulator

Download the ISL73005SEH datasheet PDF. This datasheet also covers the ISL70005SEH variant, as both devices belong to the same radiation hardened dual output 3a synchronous buck and ldo regulator family and are provided as variant models within a single manufacturer datasheet.

Description

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Features

  • 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.
  • 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 ISL70005SEH ○ HDR (50-300rad(Si)/s): 100krad.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (ISL70005SEH-Intersil.pdf) that lists specifications for multiple related part numbers.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Datasheet ISL70005SEH, ISL73005SEH Radiation Hardened Dual Output 3A Synchronous Buck and ±1A LDO Regulator for DDR VDDQ and VTT The ISL70005SEH and ISL73005SEH are radiation hardened dual output Point-of-Load (POL) regulators 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.
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