General DescriptionThe MAX8520/MAX8521 are designed to drive thermo-electric coolers (TECs) in space-constrained opticalmodules. Both devices deliver
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MAX8520/MAX8521The output common-mode ripple voltage can be calcu-lated as follows:VRIPPLE(P-P)= LIR x ITEC(MAX)(ESR + 1/8 x C x fs)A 1µF ceramic capa
Take care not to exceed the positive or negative cur-rent limit on the TEC. Refer to the manufacturer’s datasheet for these limits.Setting Max TEC Vol
MAX8520/MAX85216) To ensure high DC loop gain and minimum looperror, keep the board layout adjacent to the negativeinput pin of the integrator (U2 in
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MAX8520/MAX8521Smallest TEC Power Drivers for Optical ModulesMaxim cannot assume responsibility for use of any circuitry other than circuitry entirely
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