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Корпус / Упаковка / Маркировка

Параметры

Экологический статус

Design Notes

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  Dual DC/DC Controller for DDR Power with Differential VDDQ Sensing and В±50mA VTT Reference &mdash DN503
  PDF, 186 Кб, Файл опубликован: 2 май 2012
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  Dual DC/DC Controller for DDR Power with Differential VDDQ
  Sensing and В±50mA VT T Reference
  Design Note 503
  Ding Li
  Introduction
  The LTC В®3876 is a complete DDR power solution,
  compatible with DDR1, DDR2, DDR3 and DDR4 lower
  voltage standards. The IC includes VDDQ and V TT DC/
  DC controllers and a precision linear V TT reference.
  A differential output sense amplifier and precision
  internal reference combine to offer an accurate VDDQ
  supply. The V TT controller tracks the precision VTTR
  linear reference with less than 20mV total error. The
  precision VTTR reference maintains 1.2% regulation
  accuracy, tracking one-half VDDQ over temperature for
  a ±50mA reference load. High Efficiency, 4.5V to 14V Input, Dual Output
  DDR Power Supply
  Figure 1 shows a DDR3 power supply that operates
  from a 4.5V to 14V input. Figure 2 shows efficiency
  curves for discontinuous and forced continuous modes
  of operation.
  Load-Release Transient Detection
  As output voltages drop, a major challenge for switching regulators is to limit the overshoot in VOUT during …

Модельный ряд

Классификация производителя

• Power Management > Switching Regulator > DDR Memory/Bus Termination

Варианты написания:

LTC3876EUHFTRPBF, LTC3876EUHF TRPBF