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參數(shù)資料
| 型號： | SMM465FR05 |
| 廠商： | Summit Microelectronics, Inc. |
| 英文描述： | 4-Channel Active DC Output Controller, Monitor, Marginer and Sequencer |
| 中文描述： | 4通道有源直流輸出控制器，監(jiān)視器，Marginer和音序器 |
| 文件頁數(shù)： | 17/30頁 |
| 文件大?。?/td> | 957K |
| 代理商： | SMM465FR05 |
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SMM465
Preliminary Information
Summit Microelectronics, Inc
2085 1.1 05/27/04
17
SMM465 Brownout Recovery/Handling
During a power ‘brown-out’ (Figure 9) the SMM465
can default to a power-off state, thus requiring toggling
of the PWR_ON/OFF pin to enable the device to
perform a power-on sequence. For applications using
I
2
C control of the power-on/power-off function, the
same result may be effected by, upon recovery of
power, issuing a software (I
C) ‘Power-Off’ command
followed by a ‘Power-On’ command and ending with a
‘Clear’ command. If the PWR_ON/OFF pin is in the
asserted state, the SMM465 will initiate a power-on
sequence once all input conditions are met. Otherwise
the PWR_ON/OFF pin may require toggling if, upon
recovery from the ‘brownout’, it is in the de-asserted
state.
-48V Supply
0V
-48V
SMM465 Supplies
Power Brown-Out
VDD_CAP
+12VIN
SMM465 Hold-Up Time
Figure 9
-
Power Brown-Out with Resulting Loss of SMM465 Supply Voltages
APPLICATIONS INFORMATION (CONTINUED)
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