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參數(shù)資料
| 型號(hào)： | LM2465TA |
| 元件分類： | 顯示驅(qū)動(dòng)器 |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數(shù)： | 7/12頁 |
| 文件大?。?/td> | 423K |
| 代理商： | LM2465TA |
Application Hints
(Continued)
NSC DEMONSTRATION BOARD
Figure 12 shows the routing and component placement on
the NSC LM126X/246X/LM2479/80 demonstration board.
The schematic of the board is shown in Figure 10and Figure
11 This board provides a good example of a layout that can
be used as a guide for future layouts. Note the location of the
following components:
C16, C19—V
bypass capacitor, located very close to
pin 4 and ground pins
C17, C20—V
BB
bypass capacitors, located close to pin 8
and ground
C46, C47, C48—V
bypass capacitors, near LM2465
and V
CC
clamp diodes. Very important for arc protection.
The routing of the LM2465 outputs to the CRT is very critical
to achieving optimum performance. Figure 13 shows the
routing and component placement from pin 3 of the LM2465
to the blue cathode. Note that the components are placed so
that they almost line up from the output pin of the LM2465 to
the blue cathode pin of the CRT connector. This is done to
minimize the length of the video path between these two
components. Note also that D8, D9, R24 and D6 are placed
to minimize the size of the video nodes that they are
attached to. This minimizes parasitic capacitance in the
video path and also enhances the effectiveness of the
protection diodes. The anode of protection diode D8 is
connected directly to a section of the the ground plane that
has a short and direct path to the LM2465 ground pins. The
cathode of D9 is connected to V
very close to decoupling
capacitor C48 (see Figure 13) which is connected to the
same section of the ground plane as D8. The diode
placement and routing is very important for minimizing the
voltage stress on the LM2465 during an arcover event.
Lastly, notice that S3 is placed very close to the blue cathode
and is tied directly to CRT ground.
L
www.national.com
7
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM2465TA/NOPB | 功能描述:IC CRT DRIVER TRPL 5.5NS TO220-9 RoHS:是 類別:集成電路 (IC) >> PMIC - 顯示器驅(qū)動(dòng)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:2,500 系列:- 顯示器類型:真空熒光 (VF) 配置:5 x 7（矩陣） 接口:串行 數(shù)字或字符:- 電流 - 電源:3.5mA 電源電壓:2.7 V ~ 3.6 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:16-SSOP（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:16-QSOP 包裝:帶卷 (TR) |
| LM2466 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Monolithic Triple 7.5 ns CRT Driver |
| LM2466AT WAF | 制造商:Texas Instruments 功能描述: |
| LM2466TA | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Monolithic Triple 7.5 ns CRT Driver |
| LM2466TA/NOPB | 功能描述:IC CRT DRIVER TRPL 7.5NS TO220-9 RoHS:是 類別:集成電路 (IC) >> PMIC - 顯示器驅(qū)動(dòng)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:2,500 系列:- 顯示器類型:真空熒光 (VF) 配置:5 x 7（矩陣） 接口:串行 數(shù)字或字符:- 電流 - 電源:3.5mA 電源電壓:2.7 V ~ 3.6 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:16-SSOP（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:16-QSOP 包裝:帶卷 (TR) |
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