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BD3539FVM Datasheet(PDF) 2 Page - Rohm |
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BD3539FVM Datasheet(HTML) 2 Page - Rohm |
2 / 12 page BD3539FVM,BD3539NUX Technical Note 2/11 www.rohm.com 2009.10 - Rev.A © 2009 ROHM Co., Ltd. All rights reserved. ● Operating Conditions(Ta=25℃) Parameter Symbol Limit Unit MIN MAX Input Voltage VCC 2.7 5.5 V Termination Input Voltage VTT_IN 1.0 5.5 V VDDQ Reference Voltage VDDQ 1.0 2.75 V Enable Input Voltage VEN -0.3 5.5 V ● Electrical Characteristics (Unless otherwise noted, Ta=25℃, VCC=3.3V, VEN=3V, VDDQ=1.5V, VTT_IN=1.5V) Parameter Symbol Limit Unit Condition MIN TYP MAX Standby Current IST - 0.5 1.0 mA VEN=0V Bias Current ICC - 2 4 mA VEN=3V [Enable] High Level Enable Input Voltage VENHIGH 2.3 - 5.5 V Low Level Enable Input Voltage VENLOW -0.3 - 0.8 V Enable Pin Input Current IEN - 7 10 µA VEN=3V [Termination] Termination Output Voltage (DDR3) VTT3 1/2×VDDQ -15m 1/2×VDDQ 1/2×VDDQ +15m V ITT=-1.0A to 1.0A Ta=0℃ to 100℃ Termination Output Voltage (DDR2) VTT2 1/2×VDDQ -30m 1/2×VDDQ 1/2×VDDQ +30m V VCC = 3.3V, VDDQ = 1.8V VTT_IN = 1.8V ITT=-1.0A to 1.0A Ta=0℃ to 100℃ Termination Output Voltage (DDR1) VTT1 1/2×VDDQ -30m 1/2×VDDQ 1/2×VDDQ +30m V VCC = 5.0V, VDDQ = 2.5V VTT_IN = 2.5V ITT=-1.0A to 1.0A Ta=0℃ to 100℃ Source current ITT+ 1.0 - - A Sink current ITT- - - -1.0 A Load Regulation ⊿ VTT - - 30 mV ITT=-1.0A to 1.0A Upper Side ON Resistance HRON - 0.35 0.65 Ω Lower Side ON Resistance LRON - 0.35 0.65 Ω [VDDQ] Input Impedance ZVDDQ 140 200 260 kΩ [VREF] Output Voltage VREF 1/2×VDDQ -15m 1/2×VDDQ 1/2×VDDQ +15m V IREF=-25mA to 25mA Ta=0℃ to 100℃ [UVLO] Threshold Voltage VUVLO 2.30 2.45 2.60 V VCC : sweep up Hysteresis Voltage ⊿ VUVLO 100 160 220 mV VCC : sweep down |
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