ltc4311 Linear Technology Corporation, ltc4311 Datasheet
ltc4311
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ltc4311 Summary of contents
Page 1
... An auto detect standby mode reduces supply current if both SCL and SDA are high. When disabled, the LTC4311 goes into low (<5μA) current shutdown. The LTC4311 is available in the 2mm × 2mm × 0.75mm DFN, and SC70 packages. , LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners ...
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... LTC4311 ABSOLUTE MAXIMUM RATINGS V to GND .....................................................–0 BUS1, BUS2, ENABLE Inputs ..........................–0 Operating Temperature LTC4311C ................................................ 0°C to 70°C LTC4311I.............................................. –40°C to 85°C PIN CONFIGURATION TOP VIEW ENABLE DFN PACKAGE 6-LEAD (2mm × 2mm) PLASTIC DFN T = 125° ...
Page 3
... CC (Note 5) Note 4: The rise time 0.9V to 2.1V (with V IH(MIN) design and not tested. With a minimum boosted pull-up current of 2.5mA: Rise Time = (2.1V – 0.9V) • 400pF/2.5mA = 0.19μs. Note 5: Determined by design, not tested in production. LTC4311 MIN TYP MAX UNITS ● 1.6 5.5 V ● ...
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... LTC4311 TYPICAL PERFORMANCE CHARACTERISTICS Boost Pull-Up Current vs Temperature –40 – TEMPERATURE (°C) Supply Current vs Temperature 210 V = 5.5V CC 200 190 BUS1 = BUS2 = 3.3V 180 CC 170 V = 2.5V CC 160 150 140 V = 1.8V CC 130 – ...
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... V for best results 5mA SLEW RATE DETECTOR 5mA SLEW RATE DETECTOR + – V THR + INTERNAL SLEW – V THR + – V – 0 – V – 0 – 1V LTC4311 V CC CONTROL LOGIC AND COMPARATOR GND 4311 BD 4311f 5 ...
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... Auto Detect Standby Mode and Shutdown Mode When BUS1 and BUS2 are both high the LTC4311 reduces the standby supply current. Internal comparators detect when the bus pins are within 400mV of V the supply current to 26μ ...
Page 7
... This pull-up current is used for slewing the bus line during the initial portion of the positive transition in order to activate the LTC4311 pull-up current. Using an external pull-up resistor R state pull-up current provides the freedom to adjust rise time versus fall time as well as defi ...
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... Generally the largest value of resistance that meets the minimum slew rate with some margin will be selected. are given here For I C systems incorporating the LTC4311, the rise ⎫ – V times are met under most loading conditions, due to CC ⎬ ...
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... C requirement is not met f LTC4311 = 2.1V IHMIN = 0.3µs MAXIMUM f of the driver 200Ω + 100Ω = 300Ω. Use equation meet 0.4V from equation 2. P 3.3V – 0.4V = 13kΩ ...
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... LTC1694. These and other differences are listed in Table 1 and must be accounted for if using the LTC4311 in LTC1694 applications. LTC4311 COMMENTS 1V Allows the LTC4311 to be Disabled, Consuming Less than 5μA 1.6V – 5.5V Lower Operating Supply Voltage for Low Voltage Systems 26μA Lower Standby Current to Conserve Power Dependent on V ...
Page 11
... MAX 0.10 – 0.18 (NOTE 3) 5. MOLD FLASH SHALL NOT EXCEED 0.254mm 6. DETAILS OF THE PIN 1 IDENTIFIER ARE OPTIONAL, BUT MUST BE LOCATED WITHIN THE INDEX AREA 7. EIAJ PACKAGE REFERENCE IS EIAJ SC-70 8 JEDEC PACKAGE REFERENCE IS MO-203 VARIATION AB LTC4311 R = 0.115 0.38 ± 0.05 TYP 4 6 0.56 ± 0.05 (2 SIDES) 2.00 ±0.10 ...
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... Low Offset Hot Swappable 2-Wire Bus Buffer with Stuck Bus Recovery ThinSOT is a trademark of Linear Technology Corporation Linear Technology Corporation 12 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 ● Application Utilizing Low Current Shutdown LTC4311 2.5V 2.5V V BUS1 CC OFF ON ENABLE GND BUS2 DATA CLK IN IN ...