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PX3538 pdf datasheet (6-phase
消耗积分:0 |
格式:rar |
大小:666 |
2008-09-19
王伟
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The PX3538 digital multiphase controller provides core
power for today’s high current microprocessors by driving up
to six synchronous-rectified buck-converter channels in
parallel. Interleaved timing of the channels results in a higher
ripple frequency, reducing both input and output ripple. With
up to six phases, each capable of up to 2 MHz operation, the
PX3538 can be used to build DC-DC converters that provide
up to 200A with excellent efficiency, low ripple, and the
lowest component count.
The PX3538 utilizes digital technology to implement all
control functions, providing the ultimate in flexibility and
stability. The PX3538 incorporates an industry standard I2Cbus
serial interface for control and monitoring. Through the
serial interface, the power supply designer can quickly
optimize designs and monitor system performance. The
interface allows the PX3538 to provide digitized information
for real time system monitoring and control.
The PX3538 provides superior loadline accuracy through
internal calibration that measures and corrects current sense
error sources upon startup. The PX3538 has programmable
current sense temperature compensation that allows the
designer to tailor the response for best loadline accuracy
over temperature. Superior loadline accuracy reduces
component count and solution cost.
power for today’s high current microprocessors by driving up
to six synchronous-rectified buck-converter channels in
parallel. Interleaved timing of the channels results in a higher
ripple frequency, reducing both input and output ripple. With
up to six phases, each capable of up to 2 MHz operation, the
PX3538 can be used to build DC-DC converters that provide
up to 200A with excellent efficiency, low ripple, and the
lowest component count.
The PX3538 utilizes digital technology to implement all
control functions, providing the ultimate in flexibility and
stability. The PX3538 incorporates an industry standard I2Cbus
serial interface for control and monitoring. Through the
serial interface, the power supply designer can quickly
optimize designs and monitor system performance. The
interface allows the PX3538 to provide digitized information
for real time system monitoring and control.
The PX3538 provides superior loadline accuracy through
internal calibration that measures and corrects current sense
error sources upon startup. The PX3538 has programmable
current sense temperature compensation that allows the
designer to tailor the response for best loadline accuracy
over temperature. Superior loadline accuracy reduces
component count and solution cost.
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