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    DC/DC Controller Handles -55°C to +150°C Junction Temperature

    July 28, 2011
    H- and MP- grade versions of the LTC3851A synchronous step-down DC/DC controller feature an input range from 4V to 38V and operating junction temperatures from -40°C to +150°C and -55°C to +150°C, respectively.

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    H- and MP- grade versions of the LTC3851A synchronous step-down DC/DC controller feature an input range from 4V to 38V and operating junction temperatures from -40°C to +150°C and -55°C to +150°C, respectively. A constant-frequency, current-mode architecture allows a selectable fixed or PLL frequency from 250 kHz to 750 kHz. Other features include tracking and adjustable soft-start. Available in MSOP-16 packages, prices for the LTC3851AH/-1 and LTC3851AMP/-1 are $2.24 (H-grade) and $5.29 (MP-grade) each/1,000, respectively. LINEAR TECHNOLOGY CORP., Milpitas, CA. (800) 454-6327.

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