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參數(shù)資料
| 型號： | X9520 |
| 廠商： | Intersil Corporation |
| 英文描述： | Triple DCP, POR,2kbit EEPROM Memory, Dual Voltage Monitors |
| 中文描述： | 三氯酚，葡萄牙，2kbit EEPROM存儲器，雙電壓監(jiān)視器 |
| 文件頁數(shù)： | 19/33頁 |
| 文件大?。?/td> | 561K |
| 代理商： | X9520 |
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19
FN8206.0
March 8, 2005
If the error between the desired and measured V
TRIPx
is
less than the maximum desired error, then the program-
ming process may be terminated. If however, the error is
greater than the maximum desired error, then another
iteration of the V
TRIPx
programming sequence can be
performed (using the calculated error) in order to further
increase the accuracy of the threshold voltage.
If the calculated error is greater than zero, then the
V
TRIPx
must first be “reset”, and then programmed to the
a value equal to the previously set V
TRIPx
minus the cal-
culated error. If it is the case that the error is less than
zero, then the V
TRIPx
must be programmed to a value
equal to the previously set V
TRIPx
plus the absolute
value of the calculated error.
Continuing the previous example, we see that the calcu-
lated error was 0.09V. Since this is greater than zero, we
must first “reset” the V
TRIP2
threshold, then apply a volt-
age equal to the last previously programmed voltage,
minus the last previously calculated error. Therefore, we
must apply V
TRIP2
= 2.91 V to pin V2 and execute the
programming sequence ( ) .
Using this process, the desired accuracy for a particu-
lar V
TRIPx
threshold may be attained using a succes-
sive number of iterations.
V
TRIPx
Programming
Apply Vcc & Voltage
> Desired
V
TRIPx
to Vx
Decrease Vx
switches
Actual
V
TRIPx
-
Desired
V
TRIPx
= Error
DONE
Execute
V
TRIPx
Reset
Sequence
Set Vx = desired
V
TRIPx
Execute
Sequence
Set Higher
V
TRIPx
New Vx applied =
Old Vx applied
+
| Error |
Execute
Reset
V
Sequence
New Vx applied =
Old Vx applied
-
| Error |
Error < MDE
–
| Error | < | MDE |
YES
NO
Error >MDE
+
NO
YES
Figure 24. V
TRIPx
Setting / Reset Sequence (x=1,2,3)
Desired V
<
present value
Note: X = 1,2,3.
Let: MDE = Maximum Desired Error
Output
Acceptable
Error Range
MDE
+
MDE
–
Error = Actual - Desired
Desired Value
X9520
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相關(guān)代理商/技術(shù)參數(shù) |
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| X9520_06 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Triple DCP, POR, 2kbit EEPROM Memory, Dual Voltage Monitors |
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| X9520B20I-A | 功能描述:IC LASR CTRLR 3CHAN 5.5V 20TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 激光驅(qū)動器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:60 系列:- 類型:激光二極管驅(qū)動器 數(shù)據(jù)速率:- 通道數(shù):4 電源電壓:3.3V 電流 - 電源:- 電流 - 調(diào)制:- 電流 - 偏置:- 工作溫度:0°C ~ 70°C 封裝/外殼:40-TQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN EP 包裝:托盤 安裝類型:表面貼裝 |
| X9520B20I-AT1 | 功能描述:IC LASR CTRLR 3CHAN 5.5V 20TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 激光驅(qū)動器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:60 系列:- 類型:激光二極管驅(qū)動器 數(shù)據(jù)速率:- 通道數(shù):4 電源電壓:3.3V 電流 - 電源:- 電流 - 調(diào)制:- 電流 - 偏置:- 工作溫度:0°C ~ 70°C 封裝/外殼:40-TQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN EP 包裝:托盤 安裝類型:表面貼裝 |
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