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MAX15090 Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX15090 Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 15 page 4 Maxim Integrated MAX15090/MAX15090A 2.7V to 18V, 12A, Hot-Swap Solution with Current Report Output ELECTRICAL CHARACTERISTICS (continued) (VIN = VCC = 2.7V to 18V, TA = TJ = -40°C to +85°C, unless otherwise noted. Typical values are at VIN = 12V, RCB = 33.3kω, and TA = +25°C.) (Note 2) Note 2: All devices are 100% production tested at TA = +25°C. Limits over temperature are guaranteed by design. Note 3: 40.2kω is the maximum allowed external resistance value to be connected at CB pin to GND for safe operation. All devic- es are tested with10kω, the parameter specified at RCB = 40.2kω is guaranteed by bench characterization and correla- tion, with respect to the tested parameter at RCB = 10kω. The formula that describes the relationship between RCB and the circuit-breaker current threshold is: ICB = RCB/3333.3. Note 4: The current-limit slow-comparator response time is weighed against the amount of overcurrent so the higher the overcurrent condition, the faster the response time. Note 5: Foldback is active during the startup phase so the internal power MOSFET operates within SOA. PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS OUTPUTS FAULT, PG Output Low Voltage VOL Low-impedance state, IFAULT = +5mA, IPG = +5mA 0.4 V FAULT, PG Output High Leakage Current IOH High-impedance state, VFAULT = 16V, VPG = 16V 1 F A CURRENT REPORT ISENSE Full-Scale Current IISENSE 2.64 mA ISENSE Gain Ratio ISENSE/IOUT 220 F A/A ISENSE Voltage Range VISENSE VIN = 12V 0 2.5 V ISENSE Offset Error IISENSE_OFF TA = +25°C -30 +30 F A TA = -40°C to +85°C -50 +50 ISENSE Gain Error IISENSE_ERROR TA = +25°C -2.5 -2.5 % TA = -40°C to +85°C -4 +4 PG THRESHOLD PG Threshold VPG Measured at VOUT 0.9 x VIN V PG Assertion Delay tPG From VOUT > VPG and (VGATE - VIN) > 3V 12 16 20 ms OUT to IN Short-Circuit Detection Threshold VIOSHT Measured at VOUT 0.9 x VIN OUT Precharge Threshold VPC Measured at VOUT 0.5 x VIN V THERMAL SHUTDOWN Thermal Shutdown TSD TJ rising +150 °C Thermal-Shutdown Hysteresis TJ falling 20 °C |
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