MAX765ESA+T Maxim Integrated Products, MAX765ESA+T Datasheet
MAX765ESA+T
Specifications of MAX765ESA+T
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MAX765ESA+T Summary of contents
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... LX MAX764 SHDN ON/OFF OUT REF FB GND ________________________________________________________________ Maxim Integrated Products Call toll free 1-800-998-8800 for free samples or literature. -5V/-12V/-15V or Adjustable, Q ____________________________Features High Efficiency for a Wide Range of Load Currents 250mA Output Current 120µA Max Supply Current 5µA Max Shutdown Current ...
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Adjustable, High-Efficiency, Low I ABSOLUTE MAXIMUM RATINGS V+ to GND ..............................................................-0.3V to +17V OUT to GND ...........................................................+0.5V to -17V Maximum Differential (V+ to OUT) ......................................+21V REF, SHDN GND ...............................-0.3V to (V+ + 0.3V V+..................................................................+0.3V ...
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High-Efficiency, Low I ELECTRICAL CHARACTERISTICS (continued) ( 0mA 0.1µ LOAD REF A PARAMETER SYMBOL LX Leakage Current LX On-Resistance Peak Current PEAK Maximum Switch On-Time t ON Minimum ...
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Adjustable, High-Efficiency, Low I ____________________________Typical Operating Characteristics (continued) ( -5V +25°C, unless otherwise noted.) OUT A MAXIMUM OUTPUT CURRENT vs. SUPPLY VOLTAGE 600 CIRCUIT OF FIGURE 2 500 V = -5V OUT ...
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High-Efficiency, Low I ____________________________Typical Operating Characteristics (continued) ( -5V +25°C, unless otherwise noted.) OUT A LX ON-RESISTANCE vs. TEMPERATURE 2.2 2 (V+) = 10V OUT 1.8 1 ...
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Adjustable, High-Efficiency, Low I ____________________________Typical Operating Characteristics (continued) ( -5V +25°C, unless otherwise noted.) OUT A TIME TO ENTER/EXIT SHUTDOWN 0V 0V 2ms/div CIRCUIT OF FIGURE 5V ...
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High-Efficiency, Low I ____________________________Typical Operating Characteristics (continued) ( -5V +25°C, unless otherwise noted.) OUT A DISCONTINUOUS CONDUCTION AT HALF CURRENT LIMIT s/div CIRCUIT OF FIGURE 5V ...
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Adjustable, High-Efficiency, Low I REF SHDN ERROR COMPARATOR Q ONE-SHOT TRIG Q ONE-SHOT Figure 1. Block Diagram _______________Detailed Description Operating Principle The MAX764/MAX765/MAX766 are BiCMOS, inverting, switch-mode power supplies that provide fixed outputs of -5V, -12V, and -15V, ...
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High-Efficiency, Low I switch is OFF), the range of input and output voltages is limited to a 21V absolute maximum differential voltage. When output voltages more negative than -16V are required, substitute the MAX764/MAX765/MAX766 with Maxim’s MAX774/MAX775/MAX776 or MAX1774, which ...
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Adjustable, High-Efficiency, Low I Modes of Operation When delivering high output currents, the MAX764/ MAX765/MAX766 operate in continuous-conduction mode. In this mode, current always flows in the induc- tor, and the control circuit adjusts the duty-cycle of the ...
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High-Efficiency, Low I Reference Capacitor Bypass REF with a 0.1µF capacitor (C3). The REF out- put can source up to 100µA for external loads. Layout Considerations Proper PC board layout is essential to reduce noise generated by high current levels ...
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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 © 1994 Maxim Integrated Products ...