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MAX17410,pdf datasheet (Quick-
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格式:rar |
大小:322 |
2009-06-19
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The MAX17410 is a 2-/1-phase interleaved Quick-
PWM™ step-down VID power-supply controller for
notebook IMVP6+ CPUs. True out-of-phase operation
reduces input ripple current requirements and output
voltage ripple while easing component selection and
layout difficulties. The Quick-PWM control scheme provides
instantaneous response to fast load current
steps. Active voltage positioning reduces power dissipation
and bulk output capacitance requirements and
allows ideal positioning compensation for tantalum,
polymer, or ceramic bulk output capacitors.
The MAX17410 is intended for two different CPU core
applications: either bucking down the battery directly to
create the core voltage, or bucking down the +5V system
supply. The single-stage conversion method allows
this device to directly step down high-voltage batteries
for the highest possible efficiency. Alternatively, 2-stage
conversion (stepping down the +5V system supply
instead of the battery) at higher switching frequency
provides the minimum possible physical size.
A slew-rate controller allows controlled transitions
between VID codes. A thermistor-based temperature
sensor provides programmable thermal protection. A
power monitor provides a buffered analog voltage output
proportional to the power delivered to the load.
The MAX17410 is available in a 48-pin, 7mm x 7mm
TQFN package.
PWM™ step-down VID power-supply controller for
notebook IMVP6+ CPUs. True out-of-phase operation
reduces input ripple current requirements and output
voltage ripple while easing component selection and
layout difficulties. The Quick-PWM control scheme provides
instantaneous response to fast load current
steps. Active voltage positioning reduces power dissipation
and bulk output capacitance requirements and
allows ideal positioning compensation for tantalum,
polymer, or ceramic bulk output capacitors.
The MAX17410 is intended for two different CPU core
applications: either bucking down the battery directly to
create the core voltage, or bucking down the +5V system
supply. The single-stage conversion method allows
this device to directly step down high-voltage batteries
for the highest possible efficiency. Alternatively, 2-stage
conversion (stepping down the +5V system supply
instead of the battery) at higher switching frequency
provides the minimum possible physical size.
A slew-rate controller allows controlled transitions
between VID codes. A thermistor-based temperature
sensor provides programmable thermal protection. A
power monitor provides a buffered analog voltage output
proportional to the power delivered to the load.
The MAX17410 is available in a 48-pin, 7mm x 7mm
TQFN package.
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