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Partname: | MAX1876 |
Description: | Dual 180?? Out-of-Phase PWM Step- Down Controllers with POR |
Manufacturer: | Maxim Integrated Products |
Datasheet: | PDF (493K). Click here to download *) |
The MAX1875/MAX1876 dual, synchronized, step-down controller generates two outputs from input supplies ranging from 4.75V to 23V. Each output is adjustable from sub-1V to 18V and supports loads of 10A or higher. Input voltage ripple and total RMS input ripple current are reduced by synchronized 180 out-of-phase operation. The switching frequency is adjustable from 100kHz to 600kHz with an external resistor. Alternatively, the controller can be synchronized to an external clock generated to another MAX1875/MAX1876 or a system clock. One MAX1875/MAX1876 can be set to generate an inphase, or 90 out-of-phase, clock signal for synchronization with additional controllers. This allows two controllers to operate either as an interleaved two- or four-phase system with each output shifted by 90. These devices also feature soft-start and soft-stop. |
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Click here to download MAX1876 Datasheet*) |
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