MAX887HESA+ Maxim Integrated Products, MAX887HESA+ Datasheet
MAX887HESA+
Specifications of MAX887HESA+
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MAX887HESA+ Summary of contents
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... FB VL REF GND 2.2 F 0.047 1.25V (R1/ OUT ________________________________________________________________ Maxim Integrated Products For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800 100% Duty Cycle, Low-Noise, ____________________________Features 95% Efficiency 600mA Output Current Cycle-by-Cycle Current Limiting Low-Dropout, 100% Duty-Cycle Operation, 300mV at 500mA Internal 0.6Ω (typ) MOSFET ...
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Duty Cycle, Low-Noise, Step-Down, PWM DC-DC Converter ABSOLUTE MAXIMUM RATINGS REF, FB, SYNC GND..................................... -0. GND ............................................................. -0.3V to +12V SHDN GND ....................................... -0.3V to (V+ + 0.3V) PGND to GND ...
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Step-Down, PWM DC-DC Converter ELECTRICAL CHARACTERISTICS (V+ = +7V, PGND = GND = 0V, SHDN = V+, (T PARAMETER SYMBOL Supply Range Quiescent Supply Current I (PWM Mode) Quiescent Supply Current (PFM Mode) Shutdown Supply Current I V+, SHDN Output ...
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Duty Cycle, Low-Noise, Step-Down, PWM DC-DC Converter ____________________________Typical Operating Characteristics (continued) (Circuit of Figure +25°C, unless otherwise noted.) A EFFICIENCY vs. OUTPUT CURRENT 100 ...
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Step-Down, PWM DC-DC Converter ____________________________Typical Operating Characteristics (continued) (Circuit of Figure +25°C, unless otherwise noted.) A HEAVY-LOAD, PWM-MODE SWITCHING WAVEFORMS 0mA 1 s/div 3.3V, LOAD = 500mA IN OUT ...
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Duty Cycle, Low-Noise, Step-Down, PWM DC-DC Converter _____________________________Typical Operating Characteristics (continued) (Circuit of Figure +25°C, unless otherwise noted.) A LOAD-TRANSIENT RESPONSE s/div 3.3V, IN OUT LOAD = ...
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Step-Down, PWM DC-DC Converter ______________________________________________________________Pin Description PIN NAME SHDN Shutdown, Active-Low, Logic-Level Input. Connect SHDN to V+ for normal operation Feedback Input. Connect resistor voltage divider between the output and GND. 3 REF Reference ...
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Duty Cycle, Low-Noise, Step-Down, PWM DC-DC Converter _______________Detailed Description The MAX887 is a step-down, pulse-width modulation (PWM) DC-DC converter that provides an adjustable output from 1.25V to 10.5V. It accepts inputs from 3.5V to 11V and delivers up to ...
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Step-Down, PWM DC-DC Converter backward through the inductor, from the output filter capacitor to GND, or through the switch and synchro- nous rectifier to GND. During PWM operation, the NEGLIM threshold adjusts to permit small amounts of reverse current to ...
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Duty Cycle, Low-Noise, Step-Down, PWM DC-DC Converter when to turn off this synchronous rectifier. A fourth comparator (ILIM) is used at the P-channel MOSFET switch for overcurrent detection. This protects the sys- tem, external components, and internal MOSFETs under ...
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Step-Down, PWM DC-DC Converter Bypass V+ to GND using a 0.33µF capacitor. Also bypass VL to GND with a 2.2µF capacitor, and VREF to GND using a 0.047µF capacitor. These capacitors should be placed within 0.2in (5mm) of their respective ...
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Duty Cycle, Low-Noise, Step-Down, PWM DC-DC Converter ________________________________________________________Package Information ______________________________________________________________________________________ 0.101mm 0.004in Narrow SO SMALL-OUTLINE H PACKAGE (0.150 in.) INCHES MILLIMETERS DIM MIN MAX MIN A 0.053 0.069 1.35 A1 ...