參數(shù)資料
型號(hào): AD5100EVAL
廠商: Analog Devices, Inc.
英文描述: System-Management IC with Programmable Quad Voltage Monitoring and Supervisory Functions
中文描述: 系統(tǒng)管理IC與可編程四路電壓監(jiān)測(cè)和監(jiān)督職能
文件頁(yè)數(shù): 14/32頁(yè)
文件大?。?/td> 495K
代理商: AD5100EVAL
AD5100
Preliminary Technical Data
Rev. PrJ | Page 14 of 32
V
4MON
t
GLITCH
t
RS_HOLD*
RESET
V
4MON
t
RS_HOLD*
t
RS_DELAY
t
RS_DELAY
Most Applications using V
4OUT
require disabling of V
4MON
triggered reset
V
4OUT
Programmable
Figure 10. V
4MON
,
RESET ,
and V
4OUT
Timing Diagrams
The V
4MON
pin is monitored by a comparator to detect an
under-voltage condition. It is designed with 6% hysteresis.
When the V
4MON
input drops below the programmed UV
threshold, the comparator will become active immediately,
indicating a UV condition has occurred. Due to hysteresis,
the V
4MON
input must be brought above the programmed UV
threshold by 6% before the comparator will be in-active,
indicating the UV condition has gone away, See Figure 11.
The V
4MON
comparator is used to control the V
4OUT
pin and
also (in conjunction with a hold timer) to control the RESET
pin.
V
4MON
exhibits typical input resistance of 50KΩ that users
should account the loading effect.
V
4MON
V
4MON_UV
Hysteresis
UV
In-Active
UV
In-Active
Comparator
Comparator
Figure 11. V
4MON
Hysteresis.
The default V
4MON
is Disabled. User should refer to Table 5b if
they want to program a different setting.
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