MAX870EUK Maxim Integrated Products, MAX870EUK Datasheet
MAX870EUK
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MAX870EUK Summary of contents
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... Voltage Conversion Efficiency Invert Input Supply Voltage 0.7mA Quiescent Current (MAX870) +1.4V to +5.5V Input Voltage Range Require Only Two Capacitors 25mA Output Current Shutdown Control ______________Ordering Information PART MAX870C/D MAX870EUK MAX871C/D MAX871EUK * Dice are tested at T __________________Pin Configuration TOP VIEW INPUT 2 IN SUPPLY ...
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... Continuous Power Dissipation (T SOT23-5 (derate 7.1mW/°C above +70°C)...................571mW + 0.3V) to -0.3V Operating Temperature Range IN - 0.3V) to +0.3V MAX870EUK/MAX871EUK ...............................-40°C to +85°C OUT Storage Temperature Range .............................-65°C to +160°C Lead Temperature (soldering, 10sec) .............................+300°C = 0°C to +85°C, unless otherwise noted. Typical values A ...
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Switched-Capacitor Voltage Inverters __________________________________________Typical Operating Characteristics (Circuit of Figure +5V C3 SUPPLY CURRENT vs. SUPPLY VOLTAGE 3.0 2.5 2.0 1.5 MAX871 1.0 MAX870 0.5 0 1.5 2.0 2.5 3.0 3.5 4.0 ...
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Switched-Capacitor Voltage Inverters ____________________________Typical Operating Characteristics (continued) (Circuit of Figure +5V C3 MAX870 EFFICIENCY vs. OUTPUT CURRENT 100 5. 3. ...
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Switched-Capacitor Voltage Inverters _______________Detailed Description The MAX870/MAX871 capacitive charge pumps invert the voltage applied to their input. For highest perfor- mance, use low equivalent series resistance (ESR) capacitors (e.g., ceramic). During the first half-cycle, switches S2 and S4 open, switches ...
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Switched-Capacitor Voltage Inverters Conversion losses occur during the charge transfer between C1 and C2 when there is a voltage difference between them. The power loss is CONV.LOSS ...
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Switched-Capacitor Voltage Inverters … MAX870 C1 C1 MAX871 “1” … C2 Figure 4. Cascading MAX870s or MAX871s to Increase Output Voltage capacitors. Because both the inverter and doubler use part ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 8 ___________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600 © 1997 Maxim Integrated Products 3 ...