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參數(shù)資料
| 型號(hào)： | NT7502H-TABF1 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 65 X 132 RAM-Map LCD Controller / Driver |
| 中文描述： | 65 × 132 RAM的地圖LCD控制器/驅(qū)動(dòng)器 |
| 文件頁數(shù)： | 17/54頁 |
| 文件大?。?/td> | 687K |
| 代理商： | NT7502H-TABF1 |
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NT7502
The Power Supply Circuit
The power supply circuits are low-power consumption power supply circuits that generate the voltage levels required for the
liquid crystal drivers. They comprise Booster circuits, voltage regulator circuits, and voltage follower circuits. They are only
enabled in master operation.
The power supply circuits can turn the Booster circuits, the voltage regulator circuits, and the voltage follower circuits ON or
OFF independently through the use of the Power Control Set command. Consequently, it is possible to make an external power
supply and the internal power supply function somewhat in parallel. Table 7 shows the Power Control Set Command 3-bit data
control function, and Table 8 shows reference combinations.
Table. 8
The Control Details of Each Bit of the Power Control Set Command
Status
“1”
ON
ON
ON
Item
“0”
OFF
OFF
OFF
D2 Booster circuit control bit
D1 Voltage regulator circuit (V regulator circuit) control bit
D0 Voltage follower circuit (V/F circuit) control bit
Table. 9
Use Settings
D2 D1 D0
Step-up
circuit
Voltage
regulator
circuit
V/F circuit
External
voltage input
Step-up
voltage
system
terminal
1. Only the internal power supply
is used
2. Only the V regulator circuit and
the V/F circuit are used
3. Only the V/F circuit is used
4. Only the external power supply
is used
1 1
1
O
O
O
V
DD2
Used
0 1
1
X
O
O
V
OUT
, V
DD2
Open
0 0
1
X
X
O
V
0
, V
DD2
Open
0 0
0
X
X
X
V
0
to V
4
Open
*The “step-up system terminals” refer CAP1+, CAP1-, CAP2+, CAP2-and CAP3+.
*While other combinations, not shown above, are also possible, these combinations are not recommended because they have
no practical use.
The Step-up Voltage Circuits
Using the step-up voltage circuits within the NT7502 chips it is possible to product 4X, 3X, 2X step-ups of the V
DD2
-V
SS
voltage
levels
17
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| NT75-1 | 制造商:DBLECTRO 制造商全稱:DB Lectro Inc 功能描述:Low coil consumption. / Switching capacity up to 16A. |
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| NT751AS12DC12V | 制造商:DBLECTRO 制造商全稱:DB Lectro Inc 功能描述:Switching capacity up to 16A. |
| NT75-1AS12DC12V0.253.5 | 制造商:DBLECTRO 制造商全稱:DB Lectro Inc 功能描述:Low coil consumption. / Switching capacity up to 16A. |
| NT75-1AS12DC12V0.255.0 | 制造商:DBLECTRO 制造商全稱:DB Lectro Inc 功能描述:Low coil consumption. / Switching capacity up to 16A. |
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