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MAX1760HEUB Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX1760HEUB Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 14 page 0.8A, Low-Noise, 1MHz, Step-Up DC-DC Converter 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS (CLK/SEL = FB = PGND = GND, ISET = REF, OUT = POUT, VOUT = 3.6V, TA = 0°C to +85°C. Typical values are at TA = +25°C, unless otherwise noted.) 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. ON, ON, OUT, CLK/SEL to GND ..................................-0.3V to +6V PGND to GND ..........................................................................±0.3V LX to PGND .................................................-0.3V to (VPOUT + 0.3V) POUT to OUT ...........................................................................±0.3V REF, FB, ISET, POUT to GND.......................-0.3V to (VOUT + 0.3V) Continuous Power Dissipation (TA = +70°C) Single-Layer Board: 10-Pin µMAX (derate 5.6mW/°C above +70°C).................................….444mW 10-Pin TDFN-EP (derate 18.5mW/°C above +70°C) .....1482mW Multilayer Board: 10-Pin µMAX (derate 8.8mW/°C above +70°C) ..........….707mW 10-Pin TDFN-EP (derate 24.4mW/°C above +70°C) .....1951mW 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 PARAMETER CONDITIONS MIN TYP MAX UNITS DC-DC CONVERTER Input Voltage Range (Note 1) 0.7 5.5 V Minimum Startup Voltage ILOAD < 1mA, TA = +25°C (Note 2) 0.9 1.1 V Temperature Coefficient of Startup Voltage ILOAD < 1mA -2.3 mV/°C Frequency in Startup Mode VOUT = 1.5V 125 500 1000 kHz Internal Oscillator Frequency CLK/SEL = OUT 0.8 1 1.2 MHz Oscillator Maximum Duty Cycle (Note 3) 80 86 90 % External Clock Frequency Range 0.5 1.2 MHz Output Voltage VFB < 0.1V, CLK/SEL = OUT, includes load regulation for 0 < ILX < 0.55A 3.17 3.3 3.38 V FB Regulation Voltage Adjustable output, CLK/SEL = OUT, includes load regulation for 0 < ILX < 0.55A 1.215 1.240 1.270 V FB Input Leakage Current VFB = 1.35V (TA = +25°C, MAX1760ETB, MAX1760HETB) 0.01 100 nA Load Regulation CLK/SEL = OUT, no load to full load (0 < ILX < 1.0A) -1.5 % Output Voltage Adjust Range 2.5 5.5 V Output Voltage Lockout Threshold Rising edge (Note 4) 2.00 2.15 2.30 V ISET Input Leakage Current VISET = 1.25V (TA = +25°C, MAX1760ETB, MAX1760HETB) ±0.01 ±50 nA Supply Current in Shutdown V ON = 3.6V, VON = 0V 0.1 5 µA No-Load Supply Current CLK/SEL = GND (Note 5) 100 185 µA No-Load Supply Current Forced-PWM Mode CLK/SEL = OUT 2.5 mA DC-DC SWITCHES POUT Leakage Current VLX = 0, VOUT = 5.5V (TA = +25°C, MAX1760ETB, MAX1760HETB) 0.1 10 µA LX Leakage Current VLX = VOUT = 5.5V, in shutdown (TA = +25°C, MAX1760ETB, MAX1760HETB) 0.1 10 µA |
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