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IRVRM2 датащи(PDF) 6 Page - International Rectifier

номер детали IRVRM2
подробное описание детали  Pentium II1 Power Supply Design Specification
PDF  8 Pages
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производитель  IRF [International Rectifier]
домашняя страница  http://www.irf.com
Logo IRF - International Rectifier

IRVRM2 датащи(HTML) 6 Page - International Rectifier

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IRVRM2
6
Static Performance
Rectifier
International
Efficiency
Efficiency is required to be at least 80% at
full load. Thanks to the very efficient 20V
low V
th
MOSFETs, IRVRM2 exceeds the
required specification by a comfortable
margin.
Maximum Junction Temperature
Analysis of Q1 junction temperature shows
that it remains within specifications at an
ambient temperature of 50°C, even in still air.
Dynamic Performance
Fig 18. Transient Load Current Fall time
Transient Load Test Conditions
The Intel specification requires the supply to
stay within its ±5% specification during
transient load event of 0.8A-to-12.7A at a rate
of 30A/µs. Although most motherboards do
not require this full level of performance,
IRVRM2 meets the full transient response
specification.
Fig 17. Transient Load Current Rise Time
Load Regulation
The output must stay within its -2.1% ~ +3.6%
static specification from no load to full load.
Fig 15. Typical Load Regulation
Fig 16. Typical Line Regulation
Line Regulation
The Intel specification requires the line
voltage to be within ±5% of nominal voltage.
IRVRM2 easily meets line regulation
specification even up to ±10%.
Fig 12. Typical Efficiency
Fig 14. Projected Tj of Q1 Ta = 50ºC (still air)
Fig 13. Typical Tj of Q1 Ta = 25ºC (still air)



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