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RT9214 pdf datasheet (5V/12V S
消耗积分:5 |
格式:rar |
大小:333 |
2008-12-13
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The RT9214 is a high efficiency synchronous buck PWM
controllers that generate logic-supply voltages in PC based
systems. These high performance , single output devices
include internal soft-start, frequency compensation
networks and integrates all of the control, output
adjustment, monitoring and protection functions into a
single package.
The device operating at fixed 300kHz frequency provides
an optimum compromise between efficiency, external
component size, and cost.
Adjustable over-current protection (OCP) monitors the
voltage drop across the RDS(ON) of the lower MOSFET for
synchronous buck PWM DC-DC controller. The overcurrent
function cycles the soft-start in 4-times hiccup
mode to provide fault protection, and in an always hiccup
mode for under-voltage protection.
controllers that generate logic-supply voltages in PC based
systems. These high performance , single output devices
include internal soft-start, frequency compensation
networks and integrates all of the control, output
adjustment, monitoring and protection functions into a
single package.
The device operating at fixed 300kHz frequency provides
an optimum compromise between efficiency, external
component size, and cost.
Adjustable over-current protection (OCP) monitors the
voltage drop across the RDS(ON) of the lower MOSFET for
synchronous buck PWM DC-DC controller. The overcurrent
function cycles the soft-start in 4-times hiccup
mode to provide fault protection, and in an always hiccup
mode for under-voltage protection.
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