MAX1817EUB Maxim Integrated Products, MAX1817EUB Datasheet
MAX1817EUB
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MAX1817EUB Summary of contents
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... Up to 88% Efficiency Internal Switch o LCD Output Up to 28V for LCD Bias Internal Switch o Input Voltage Range +1.5V to +5.5V o Minimal External Components Required o 0.1µA Logic-Controlled Shutdown o Low 15µA Quiescent Supply Current PART MAX1817EUB TOP VIEW FB ON LCD ONLCD FBLCD AGND MAIN Features Ordering Information TEMP ...
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... V IN Load Regulation I LOAD LX On-Resistance V OUT LX Current Limit Dual Mode is a trademark of Maxim Integrated Products. 2 _______________________________________________________________________________________ Operating Temperature Range ...........................-40°C to +85°C + 0.3V) Junction Temperature ......................................................+150°C OUT Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C RMS = 0° ...
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Compact, High-Efficiency, Dual-Output ELECTRICAL CHARACTERISTICS (continued +3.3V GND ONLCD OUT PARAMETER LX Leakage Current V ON Input Low Voltage 1.8V < Input High Voltage 1.8V < ...
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Compact, High-Efficiency, Dual-Output Step-Up DC-DC Converter ELECTRICAL CHARACTERISTICS (continued +3.3V GND ONLCD OUT PARAMETER FB Dual Mode Threshold Outp tag ustm ent Rang e ...
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Compact, High-Efficiency, Dual-Output (Circuit of Figure +25°C, unless otherwise noted.) A MAIN OUTPUT EFFICIENCY vs. LOAD CURRENT 3.3V 2.4V OUT OUT ...
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Compact, High-Efficiency, Dual-Output Step-Up DC-DC Converter (Circuit of Figure +25°C, unless otherwise specified) A MAIN LOAD TRANSIENT RESPONSE 0 400µs/div 100mV/div, AC-COUPLED OUT 50mA/div LOAD, OUT V = 2.4V ...
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Compact, High-Efficiency, Dual-Output PIN NAME Main Output Feedback Input. Connect FB to GND for fixed 3.3V main output. For other output 1 FB voltages, use a resistive voltage-divider to set the output voltage. The feedback regulation voltage is 1.25V at ...
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Compact, High-Efficiency, Dual-Output Step-Up DC-DC Converter V IN DUAL-MODE FEEDBACK FB 75mV SHUTDOWN ON ON LOGIC OFF MAIN UNDERVOLTAGE LOCKOUT SHUTDOWN ON ONLCD LOGIC OFF LCD MAX1817 Figure 1. MAX1817 Simplified Functional Diagram the output voltage rises above the undervoltage ...
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Compact, High-Efficiency, Dual-Output 10µF L1 10µ 10µ LXLCD 4.7pF C4 ON OFF LCD ONLCD FBLCD ON OFF MAX1817 ON OUT MAIN R3 300k FB R4 100k AGND GND Figure 2. Setting Main Output ...
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Compact, High-Efficiency, Dual-Output Step-Up DC-DC Converter R3 L1,10µ 10µF L2 10µ D1** LXLCD R1 240k MAX1817 ONLCD FBLCD ON OUT C3 22µF FB AGND GND *D3 CENTRAL SEMICONDUCTOR CMPD7000 DUAL **D1 = ...
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Compact, High-Efficiency, Dual-Output loss in efficiency. Choose a reverse breakdown voltage greater than the output voltage. Input Bypass Capacitor The input supplies high currents to the inductors and requires local bulk bypassing close to the inductors. A low equivalent series ...
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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. 12 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2000 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products ...