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TPS51100DGQG4 Fiches technique(PDF) 4 Page - Texas Instruments |
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TPS51100DGQG4 Fiches technique(HTML) 4 Page - Texas Instruments |
4 / 20 page TPS51100 SLUS600B − APRIL 2004 − REVISED NOVEMBER 2005 4 www.ti.com ELECTRICAL CHARACTERISTICS(continued) TA = −40°C to 85°C, VVIN = 5 V, VLDOIN and VDDQSNS are connected to 2.5 V (unless otherwise noted) PARAMETER UNIT MAX TYP MIN TEST CONDITIONS VTTREF OUTPUT VVTTREF Output voltage, VTTREF V TTREF + V VDDQSNS 2 V VVTTREFTOL25 Output voltage tolerance to VDDQSNS/2, VTTREF VVLDOIN = VVDDQSNS = 2.5 V, IVTTREF < 10 mA −20 20 mV VVTTREFTOL18 Output voltage tolerance to VDDQSNS/2, VTTREF VVLDOIN = VVDDQSNS = 1.8 V, IVTTREF < 10 mA −17 17 mV IVTTREFOCL Source current limit, VTTREF VVVTTREF = 0 V 10 20 30 mA UVLO/LOGIC THRESHOLD VVINUV UVLO threshold voltage, VIN Wake up 3.4 3.7 4.0 VVINUV UVLO threshold voltage, VIN Hysteresis 0.15 0.25 0.35 VIH High-level input voltage S3, S5 1.6 V VIL Low-level input voltage S3, S5 0.3 V VIHYST Hysteresis voltage S3, S5 0.2 IILEAK Logic input leakage current S2, S5, TA = 25°C −1 1 µA THERMAL SHUTDOWN TSDN Thermal shutdown threshold Shutdown temperature 160 °C TSDN Thermal shutdown threshold Hysteresis 10 °C TERMINAL FUNCTIONS TERMINAL I/O DESCRIPTION NAME NO. I/O DESCRIPTION GND 8 − Signal ground. Connect to negative terminal of the output capacitor PGND 4 − Power ground output for the VTT LDO S3 7 I S3 signal input S5 9 I S5 signal input VDDQSNS 1 I VDDQ sense input VIN 10 I 5-V power supply VLDOIN 2 I Power supply for the VTT LDO and VTTREF output stage VTT 3 O Power output for the VTT LDO VTTREF 6 O VTT reference output. Connect to GND through 0.1- µF ceramic capacitor. VTTSNS 5 I Voltage sense input for the VTT LDO. Connect to plus terminal of the output capacitor. |
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