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MAX5038EAI25 Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX5038EAI25 Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 26 page Dual-Phase, Parallelable, Average Current-Mode Controllers 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS (VCC = +5V, circuit of Figure 1, TA = -40°C to +85°C, unless otherwise noted. Typical specifications are at TA = +25°C.) (Note 1) 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. IN to SGND.............................................................-0.3V to +30V BST_ to SGND…………………………………….…-0.3V to +35V DH_ to LX_ ................................-0.3V to [(VBST_ - VLX_) + 0.3V] DL_ to PGND ..............................................-0.3V to (VCC + 0.3V) BST_ to LX_ ..............................................................-0.3V to +6V VCC to SGND............................................................-0.3V to +6V VCC to PGND............................................................-0.3V to +6V SGND to PGND .....................................................-0.3V to +0.3V All Other Pins to SGND...............................-0.3V to (VCC + 0.3V) Continuous Power Dissipation (TA = +70°C) 28-Pin SSOP (derate 9.5mW/°C above +70°C) ............762mW Operating Temperature Range ...........................-40°C to +85°C Maximum Junction Temperature .....................................+150°C Storage Temperature Range .............................-60°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS SYSTEM SPECIFICATIONS 828 Input Voltage Range VIN Short IN and VCC together for +5V input operation 4.75 5.5 V Quiescent Supply Current IQ EN = VCC or SGND 4 10 mA Efficiency η ILOAD = 52A (26A per phase) 90 % OUTPUT VOLTAGE MAX5038 only, no load -0.8 +0.8 Nominal Output Voltage Accuracy MAX5038 only, no load, VIN = VCC = +4.75V to +5.5V or VIN = +8V to +28V (Note 2) -1 +1 % MAX5041 only, no load 0.992 1.008 MAX5041 only, no load, VIN = VCC = +4.75V to +5.5V or VIN = +8V to +28V 0.990 1.010 MAX5041B only, no load 0.995 1.005 SENSE+ to SENSE- Voltage Accuracy MAX5041B only, no load, VIN = +8V to +28V 0.995 1.005 V STARTUP/INTERNAL REGULATOR VCC Undervoltage Lockout UVLO VCC falling 4.0 4.15 4.5 V VCC Undervoltage Lockout Hysteresis 200 mV VCC Output Accuracy VIN = +8V to +28V, ISOURCE = 0 to 80mA 4.85 5.1 5.30 V MOSFET DRIVERS Output Driver Impedance RON Low or high output 1 3 Ω Output Driver Source/Sink Current IDH_, IDL_ 4A Non-Overlap Time tNO CDH_/DL_ = 5nF 60 ns |
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