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EL7560 pdf datasheet (Programm
消耗积分:2 |
格式:rar |
大小:665 |
2009-01-16
王伟
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The EL7560 is the simplest, most cost
effective method for powering modern
high power CPUs which require a user
adjustable output voltage. Although it is particularly designed
to function with next generation CPUs, its simple design can
provide low cost solutions for any 5V to 3V application.
The circuit uses on chip resistorless current sensing for high
efficiency, stable current mode control. An on chip
temperature sensor resets the OT pin. The OT pin can be
tied directly to the OUTEN pin for automatic overtemperature
shutdown. The user can adjust the oscillator frequency as
well as the slope compensation.
The output voltage is adjustable using a 4-bit parallel
interface. A power OK signal "PWRGD' pulls high when the
FB pin is within -7% of the programmed value.
effective method for powering modern
high power CPUs which require a user
adjustable output voltage. Although it is particularly designed
to function with next generation CPUs, its simple design can
provide low cost solutions for any 5V to 3V application.
The circuit uses on chip resistorless current sensing for high
efficiency, stable current mode control. An on chip
temperature sensor resets the OT pin. The OT pin can be
tied directly to the OUTEN pin for automatic overtemperature
shutdown. The user can adjust the oscillator frequency as
well as the slope compensation.
The output voltage is adjustable using a 4-bit parallel
interface. A power OK signal "PWRGD' pulls high when the
FB pin is within -7% of the programmed value.
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