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MAX5949BESA+ Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX5949BESA+ Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 18 page -48V Hot-Swap Controllers with External RSENSE 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS (VEE = 0V, VDD = 48V, TA = -40°C to +85°C. Typical values are at TA = +25°C, unless otherwise noted.) (Notes 2, 5) Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. (All voltages are referenced to VEE, unless otherwise noted.) Supply Voltage (VDD - VEE ) .................................-0.3V to +100V PWRGD, PWRGD .................................................-0.3V to +100V DRAIN (Note 1)........................................................-2V to +100V PWRGD to DRAIN .............................................… -0.3V to +95V PWRGD to VDD........................................................-95V to +85V SENSE (Internally Clamped) .................................-0.3V to +1.0V GATE (Internally Clamped) ....................................-0.3V to +18V UV and OV..............................................................-0.3V to +60V Current Through SENSE ...................................................±40mA Current into GATE...........................................................±300mA Current into DRAIN .........................................-100mA to +20mA Current into Any Other Pin................................................±20mA Continuous Power Dissipation (TA = +70°C) 8-Pin SO (derate 5.9mW/°C above +70°C)..................471mW Operating Temperature Range ...........................-40°C to +85°C Junction Temperature .....................................................+150°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C Soldering Temperature (reflow) .......................................+260°C PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS POWER SUPPLIES Operating Input Voltage Range VDD 20 80 V Supply Current IDD (Note 3) 0.7 2 mA GATE DRIVE AND CLAMPING CIRCUITS GATE Pin Pullup Current IPU Gate drive on, VGATE = VEE -30 -45 -60 µA GATE Pin Pulldown Current IPD Gate drive off, VGATE = 2V, TA = +25°C 24 50 70 mA External Gate Drive ∆VGATE VGATE - VEE, 20V ≤ VDD ≤ 80V 10 13.5 18 V GATE to VEE Clamp Voltage VGSCLMP VGATE - VEE, IGS = 30mA 15 16.4 18 V CIRCUIT BREAKER Current-Limit Trip Voltage VCL VCL = VSENSE - VEE 40 50 60 mV SENSE Input Bias Current ISENSE VSENSE = 50mV 0 -0.2 -2 µA UNDERVOLTAGE LOCKOUT Internal Undervoltage-Lockout Voltage High VUVLOH VDD increasing 13.8 15.4 17.0 V Internal Undervoltage-Lockout Voltage Low VUVLOL VDD decreasing 11.8 13.4 15.0 V UV PIN UV High Threshold VUVH UV voltage increasing 1.240 1.255 1.270 V UV Low Threshold VUVL UV voltage decreasing 1.105 1.125 1.145 V UV Hysteresis VUVHY 130 mV UV Input Bias Current IINUV VUV = VEE 0-0.5 µA OV PIN OV High Threshold VOVH OV voltage increasing 1.235 1.255 1.275 V OV Low Threshold VOVL OV voltage decreasing 1.210 1.235 1.255 V OV Hysteresis VOVHY 20 mV OV Input Bias Current IINOV VOV = VEE 0-0.5 µA Note 1: Test condition per Figure 1. DRAIN current must be limited to the specified 100mA maximum. |
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