參數(shù)資料
型號(hào): L6372
英文描述: OCTAL INDUSTRIAL INPUT INTERFACE(253.91 k)
中文描述: 八路工業(yè)輸入接口(253.91十一)
文件頁數(shù): 12/15頁
文件大?。?/td> 253K
代理商: L6372
OVERTEMPERATURE
If the chip temperature exceeds T
h
(measured in
a central position in the chip) the chip deactivates
itself, because an internal signal, called OT,
forces the reset signal. To reduce the device
power dissipation to a minimum, the OT signal
turns-off the internal current generators of the
eight channels and the internal oscillator opera-
tions. Normal condition (OT low) is resumed as
soon as (typically after some seconds) the chip
temperaturemonitoredgoes back below T
I
.
The different thresholds T
h
and T
l,
withhysteretic
behavior, assure that no intermittent conditions
can be generated.
Typical values for T
h
and T
l
, are 170
o
C and
150
o
C.
Figure8:
Timing
Figure9:
Typical Application
L6372
12/15
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