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Partname: | LTC1709EG-85 |
Description: | 2-Phase, 5-Bit VID,Current Mode, High Efficiency,Synchronous Step-Down Switching Regulator |
Manufacturer: | Linear Technology |
Datasheet: | PDF (317K). Click here to download *) |
The LTC1709-85 is a 2-phase, VID programmable, synchronous step-down switching regulator controller that drives two all N-channel external power MOSFET stages in a fixed frequency architecture. The 2-phase controller drives its two output stages out of phase at frequencies up to 300kHz to minimize the RMS ripple currents in both input and output capacitors. The 2-phase technique effectively multiplies the fundamental frequency by two, improving transient response while operating each channel at an optimum frequency for efficiency. Thermal design is also simplified. |
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