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EL7581 pdf datasheet (3-Channe
消耗积分:2 |
格式:rar |
大小:444 |
2009-01-17
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The EL7581 is a 3-channel DC/DC converter IC which is
designed primarily for use in TFT/LCD applications. It
features a PWM boost converter with 2.7V to 14V input
capability and 5V to 17V output, which powers the column
drivers and provides up to 720mA @12V, 570mA @ 15V
from 5V input. A pair of charge pump control circuits provide
regulated outputs of VON and VOFF supplies at 8V to 40V
and -5V to -40V, respectively, each at up to 60mA.
The EL7581 features adjustable switching frequency,
adjustable soft start, and a separate output VON enable
control to allow selection of supply start-up sequence. An
over-temperature feature is provided to allow the IC to be
automatically protected from excessive power dissipation.
The EL7581 is available in a 20 Ld HTSSOP package and is
specified for operation over the full -40°C to +85°C
temperature range.
designed primarily for use in TFT/LCD applications. It
features a PWM boost converter with 2.7V to 14V input
capability and 5V to 17V output, which powers the column
drivers and provides up to 720mA @12V, 570mA @ 15V
from 5V input. A pair of charge pump control circuits provide
regulated outputs of VON and VOFF supplies at 8V to 40V
and -5V to -40V, respectively, each at up to 60mA.
The EL7581 features adjustable switching frequency,
adjustable soft start, and a separate output VON enable
control to allow selection of supply start-up sequence. An
over-temperature feature is provided to allow the IC to be
automatically protected from excessive power dissipation.
The EL7581 is available in a 20 Ld HTSSOP package and is
specified for operation over the full -40°C to +85°C
temperature range.
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