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UCC5606J Datasheet(PDF) 4 Page - Texas Instruments |
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UCC5606J Datasheet(HTML) 4 Page - Texas Instruments |
4 / 14 page UCC5606 SLUS347A – MAY 1995 – REVISED APRIL 2003 4 www.ti.com ELECTRICAL CHARACTERISTICS TA = 0°C to 70°C, TRMPWR = 3.3 V, DISCNCT = 3.3 V, RDISCNCT = 0 Ω, TA = TJ, (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Regulator Section Regulator output voltage 5.25 V > TRMPWR > 3 V 2.5 2.7 3.0 V Drop-out voltage All termination lines = 0.2 V 0.1 0.2 Short circuit current VREG = 0 V –200 –400 –800 mA Sinking current capability VREG = 3 V 200 400 800 Thermal shutdown (2) 170 °C Thermal shutdown hysteresis (2) 10 Disconnect Section Disconnect threshold RDISCNCT = 0 kΩ to 80 kΩ 0.8 1.5 2.0 V Input current DISCNCT = 3.3 V 30 50 µA NOTES: 1. Measuring each termination line while other eight are low (0.2 V). 2. Ensured by design. Not production tested. TERMINAL FUNCTIONS TERMINAL I/O DESCRIPTION NAME NO. I/O DESCRIPTION DISCNCT 7 I Taking this pin low causes the 9 channels to become high impedance and the chip to go into low power mode. In short laptop buses an 80-k Ω to 150-kΩ resister to TERPWR terminates the bus at 2.5 k Ω. Less than 110 Ω to TERPWR enables the terminator. GND 9 Ground reference for the device LINE1 TO LINE9 4 I 110- Ω termination channels REG 9 I Output of the internal 2.7-V regulator TRMPWR 4 Power for the device GND* Heat sink ground, must be tied to a large copper area or the grounding plate. |
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