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Off-Line SMPS Quasi-Resonant P

消耗积分:5 | 格式:rar | 大小:211 | 2009-11-10

张伟

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The CoolSET®-Q1 series (ICE2QRxx65) is the first
generation of quasi-resonant integarted power ICs. It is
optimized for off-line switch mode power supply
applications such as LCD monitor, DVD R/W, DVD
Combo, Blue-ray DVD, set top box, etc. Operting the
MOSFET switch in quasi-resonant mode, lower EMI,
higher efficiency and lower voltage stress on secondary
diodes are expected for the SMPS. Based on the
BiCMOS technology, the CoolSET®-Q1 series has a
wide operation range (up to 25V) of IC power supply
and lower power consumption. It also offers many
advantages such as: a quasi-resonant operation till very
low load increasing the average system efficiency
compared to other conventional solutions; the Active
Burst Mode operation enables an ultra-low power
consumption at standby mode with small and
controllable output voltage ripple.

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