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Os motores de busca de Datasheet de Componentes eletrônicos |
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Os motores de busca de Datasheet de Componentes eletrônicos |
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TJ2997GD Folha de dados(PDF) 8 Page - HTC Korea TAEJIN Technology Co. |
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TJ2997GD Folha de dados(HTML) 8 Page - HTC Korea TAEJIN Technology Co. |
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8 / 13 page  DDR Termination Regulator TJ2997 Apr, 2011 - R1.0.1 8/13 HTC sinking and sourcing current. Although only one equation will add into the total, V TT cannot source and sink current simultaneously. P VTT = VVTT x ILOAD (Sinking) or P VTT = ( VPVIN - VVTT) x ILOAD (Sourcing) The power dissipation of the TJ2997 can also be calculated during the shutdown state. During this condition the output V TT will tri-state, therefore that term in the power equation will disappear as it cannot sink or source any current (leakage is negligible). The only losses during shutdown will be the reduced quiescent current at AVIN and the constant impedance that is seen at the VDDQ pin. P D = PAVIN + PVDDQ , Where, PAVIN = IAVIN x VAVIN P VDDQ = V VDDQ x I VDDQ = V VDDQ2 x R VDDQ |
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