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PX3539 pdf datasheet
消耗积分:3 |
格式:rar |
大小:666 |
2008-09-19
王芳
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The Primarion PX3539 VR11 4-phase Digital PWM Controller
provides core power for today’s high current microprocessors
by driving up to four synchronous-rectified buck-converter
channels in parallel. Interleaved timing of the channels results
in a higher ripple frequency, reducing input and output ripple.
With up to four phases, each capable of up to 2 MHz
operation, the PX3539 can be used to build DC-DC
converters that provide up to 130A with excellent efficiency,
low ripple, and the lowest component count.
The PX3539 utilizes digital technology to implement all control
functions, providing the ultimate in flexibility and stability. The
PX3539 incorporates an industry standard I2C-bus 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 PX3539 to provide digitized information for real
time system monitoring and control.
The PX3539 provides superior loadline accuracy through
internal calibration that measures and corrects current sense
error sources upon startup. The PX3539 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.
provides core power for today’s high current microprocessors
by driving up to four synchronous-rectified buck-converter
channels in parallel. Interleaved timing of the channels results
in a higher ripple frequency, reducing input and output ripple.
With up to four phases, each capable of up to 2 MHz
operation, the PX3539 can be used to build DC-DC
converters that provide up to 130A with excellent efficiency,
low ripple, and the lowest component count.
The PX3539 utilizes digital technology to implement all control
functions, providing the ultimate in flexibility and stability. The
PX3539 incorporates an industry standard I2C-bus 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 PX3539 to provide digitized information for real
time system monitoring and control.
The PX3539 provides superior loadline accuracy through
internal calibration that measures and corrects current sense
error sources upon startup. The PX3539 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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