MAX1673ESA Maxim Integrated Products, MAX1673ESA Datasheet
MAX1673ESA
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MAX1673ESA Summary of contents
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... Regulated Negative Output Voltage ( 125mA Output Current 35µA Quiescent Supply Current in IN (Skip-mode regulation) in Linear (LIN) IN 350kHz Fixed-Frequency, Low-Noise Output (Linear-mode regulation 5.5V Input Range 1µA Logic-Controlled Shutdown _______________Ordering Information PART MAX1673ESA INPUT GND OUT ) IN TEMP. RANGE PIN-PACKAGE -40°C to +85°C ...
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Regulated, 125mA-Output, Charge-Pump DC-DC Inverter ABSOLUTE MAXIMUM RATINGS IN ..............................................................................-0.3V to +6V CAP+, FB, LIN/SKIP.....................................-0. SHDN........................................................................-0.3V to +6V OUT, CAP-................................................................-6V to +0.3V Continuous Output Current ...............................................135mA Output Short-Circuit Duration to GND (Note 1) ....................1sec Note 1: Shorting OUT ...
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ELECTRICAL CHARACTERISTICS (continued +5V 10µF, C SHDN IN IN OUT T = +25°C.) (Note 2) A PARAMETER SYMBOL Switching Frequency (LIN Mode) FB Threshold V FB Input Bias Current Input Bias Current (SHDN, LIN/SKIP) ...
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Regulated, 125mA-Output, Charge-Pump DC-DC Inverter (Circuit of Figure +5V 2.2µ FLY OUTPUT RIPPLE vs. LOAD CURRENT (LIN MODE) 140 C OUT C = FLY OUT 10 120 100 C ...
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Figure +5V 2.2µ FLY LOAD-TRANSIENT RESPONSE (LIN MODE) I OUT 100mA/div V OUT 50mV/div CIRCUIT OF FIGURE 4 250 s/div LINE-TRANSIENT RESPONSE (LIN MODE 2V/div V OUT I = ...
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Regulated, 125mA-Output, Charge-Pump DC-DC Inverter ______________________________________________________________Pin Description PIN NAME Regulation-Mode Select Input. Driving LIN/SKIP high or connecting selects LIN mode, with regula- 1 LIN/SKIP tion accomplished by modulating switch resistance. Driving LIN/SKIP low or connecting it to ...
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Linear Mode (Constant-Frequency Mode) In LIN mode (LIN/SKIP = IN), the charge pump runs con- tinuously at 350kHz. The MAX1673 controls the charge varying the gate drive on S1 (Figure 2). FLY When the output voltage falls, ...
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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. _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 8 © ...