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Partname: | MAX1537A |
Description: | High-Efficiency, 5x Output, Main Power-Supply Controllers for Notebook Computers |
Manufacturer: | Maxim Integrated Products |
Datasheet: | PDF (1.37M). Click here to download *) |
The MAX1533A/MAX1537A are dual step-down, switchmode power-supply (SMPS) controllers with synchronous rectification, intended for main 5V/3.3V power generation in battery-powered systems. Fixed-frequency operation with optimal interleaving minimizes input ripple current from the lowest input voltages up to the 26V maximum input. Optimal 40/60 interleaving allows the input voltage to go down to 8.3V before duty-cycle overlap occurs, compared to 180 out-of-phase regulators where the duty-cycle overlap occurs when the input drops below 10V. Output current sensing provides accurate current limit using a sense resistor. Alternatively, power dissipation can be reduced using lossless inductor current sensing. |
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Click here to download MAX1537A Datasheet*) |
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