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UCC5620MWP Datasheet(PDF) 3 Page - Texas Instruments |
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UCC5620MWP Datasheet(HTML) 3 Page - Texas Instruments |
3 / 9 page 3 UCC5620 ELECTRICAL CHARACTERISTICS Unless otherwise stated, these specifications apply for TA = 0°C to 70°C, TRMPWR = 4.75V, DISCNCT = 0V, TA =TJ. PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Regulator Section Regulator Output Voltage 2.6 2.8 3.0 V Drop Out Voltage All Termination Lines = 0.2V 0.4 0.8 V Short Circuit Current VREG = 0V −650 −900 –1300 mA Sinking Current Capability VREG = 3.5V 300 500 900 mA Thermal Shutdown 170 C° Thermal Shutdown Hysteresis 10 C° Disconnect Section Disconnect Threshold 0.8 1.5 2.0 V Input Current DISCNCT = 0V –20 –60 µA Note 1: Measuring each termination line while other 26 are low (0.2V). Note 2: Ensured by design. Not 100% tested in production. Note 3: Tested by measuring IOUT with VOUT = 0.2V and VOUT with no load, then calculate: () Z VN L V Iat V OUT OUT = − .. . . 02 02 PIN DESCRIPTIONS DISCNCT: Taking this pin high or leaving it open causes all channels to become high impedance, and the chip to go into low-power mode; a low state allows the channels to provide normal termination. GND: Ground reference for the IC. LINE1 - LINE27: 110 termination channels. REG: Output of the internal 2.7V regulator. TRMPWR: Power for the IC. TRMPWR REG TO SCSI BUS TRMPWR DATA BYTES 1 AND 2 +2 PARITY BITS L1 4.7 µF 4.7 µF DISCNCT TO DRIVERS AND RECEIVERS UCC5620 CONTROL BITS L27 Figure 1. Typical Wide SCSI Bus Configuration Using the UCC5620 APPLICATION INFORMATION UDG-98188 |
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