參數資料
型號: VKA150MS15-61
英文描述: Analog IC
中文描述: 模擬IC
文件頁數: 4/4頁
文件大小: 70K
代理商: VKA150MS15-61
VKA150MS REV B 4/2001
Page 4
OVP NOTE
Special attention should be given to the peak voltage
deviation during a dynamic load step when trimming
the output above the original set point to avoid tripping
the overvoltage protection circuit. Should an OVP
condition occur, the converter will go into a latch
condition and must be externally reset before it will
return to normal operation.
OUTPUT VOLTAGE ADJUST
This feature allows the user to accurately adjust the
module's output voltage set point to a specified level.
This is achieved by connecting a resistor or potentiom-
eter from the TRIM terminal to either the +Vout termi-
nal (for increased Vout) or the -Vout terminal (for
decreased Vout). The formulae below describe the trim
resistor value to obtain a Vout change of
%. V
O
is
output voltage prior to adjustment (3.3V, 5V, 12V, 15V
or 24V).
Radj- up =
(
Vo(100 +
%)
_
(100 + 2
%)
)
k
1.225
%
%
Radj - down =
(
100
-
2
)
k
%
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