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MAX5090BATE Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX5090BATE Datasheet(HTML) 2 Page - Maxim Integrated Products |
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2 / 17 page  2A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converters 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS Stresses beyond those listed under "Absolute Maximum Ratings" may cause 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 maxi- mum rating conditions for extended periods may affect device reliability. (Voltages referenced to PGND, unless otherwise specified.) VIN, DRAIN .............................................................-0.3V to +80V SGND, PGND.………………………………………-0.3V to +0.3V LX.................................................................-0.8V to (VIN + 0.3V) BST ...............................................................-0.3V to (VIN + 10V) BST to LX................................................................-0.3V to +10V ON/OFF........................................................-0.3V to (VIN + 0.3V) VD, SYNC ...............................................................-0.3V to +12V SS…………………………………………………………-0.3 to +4V FB MAX5090A/MAX5090B…………….……… ...….-0.3V to +15V MAX5090C ................1mA (internally clamped to +2V, -0.3V) VOUT Short-Circuit Duration………………………… ...Continuous VD Short-Circuit Duration………….............................Continuous Continuous Power Dissipation (TA = +70°C)* 16-Pin TQFN (derate 33.3mW/°C above +70°C) ........2.667W Operating Junction Temperature Range ...........-40°C to +125°C Storage Temperature Range .........................…-65°C to +150°C Junction Temperature……...……………………………….+150°C Lead Temperature (soldering, 10s) .................................+300°C ELECTRICAL CHARACTERISTICS (VIN = +12V, VON/OFF = +12V, VSYNC = 0V, IOUT = 0, TA = TJ = -40°C to +125°C, unless otherwise noted. Typical values are at TA = +25°C. See the Typical Operating Circuit.) (Note 1) *As per JEDEC 51 Standard Multilayer Board. PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Input Voltage Range VIN 6.5 76.0 V Undervoltage Lockout UVLO VIN rising 5.70 6.17 6.45 V UVLO Hysteresis UVLOHYS 0.5 V MAX5090A VIN = 6.5V to 76V, IOUT = 0 to 2A 3.20 3.3 3.39 MAX5090B VIN = 7.5V to 76V, IOUT = 0 to 2A 4.85 5.0 5.15 Output Voltage VOUT MAX5090B VIN = 7V to 76V, IOUT = 0 to 1A 4.85 5.0 5.15 V Output Voltage Range VOUT MAX5090C only 1.265 11.000 V Feedback Voltage VFB MAX5090C, VIN = 6.5V to 76V 1.191 1.228 1.265 V MAX5090A VIN = 12V, IOUT = 1A 80 MAX5090B VIN = 12V, IOUT = 1A 88 Efficiency η MAX5090C VIN = 12V, VOUT = 5V, IOUT = 1A 88 % MAX5090A VIN = 6.5V to 28V 310 550 MAX5090B VIN = 7V to 28V 310 550 Quiescent Supply Current (Note 2) IQ MAX5090C VIN = 6.5V to 28V 310 550 µA MAX5090A VIN = 6.5V to 40V 310 570 MAX5090B VIN = 7V to 40V 310 570 Quiescent Supply Current (Note 2) IQ MAX5090C VIN = 6.5V to 40V 310 570 µA MAX5090A VIN = 6.5V to 76V 310 650 MAX5090B VIN = 7V to 76V 310 650 Quiescent Supply Current (Note 2) IQ MAX5090C VIN = 6.5V to 76V 310 650 µA Shutdown Current ISHDN VON/OFF = 0V, VIN = 14V 19 45 µA SOFT-START Default Internal Soft-Start Period CSS = 0 700 µs Soft-Start Charge Current ISS 4.5 10 16.0 µA |
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