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參數(shù)資料
| 型號： | MAX9550EUA |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | High-Current VCOM Drive Buffers for TFT LCDs |
| 中文描述： | 大電流的VCOM驅(qū)動(dòng)緩沖器用于TFT液晶顯示器 |
| 文件頁數(shù)： | 7/12頁 |
| 文件大?。?/td> | 835K |
| 代理商： | MAX9550EUA |
M
High-Current VCOM Drive Buffers
for TFT LCDs
_______________________________________________________________________________________
7
Applications Information
Output Load Capacitor
The output load capacitor must have a low ESR value
(50m
or lower) and it must be placed as close as pos-
sible to the OUT pin to ensure buffer stability (see
Figure 2). Ceramic capacitors are an excellent choice.
Power Supplies and Bypass Capacitors
The MAX9550/MAX9551/MAX9552 operate from a 6V to
20V single supply, or from ±3V to ±10V dual supplies.
Proper supply bypassing ensures stability while driving
high transient loads. The MAX9550/MAX9551/MAX9552
require minimum 4.7μF (C1) and 0.1μF (C2) power-sup-
ply bypass capacitors placed as close as possible to
the power-supply pin (V
DD
). See Figure 2. For dual-
supply operation, use 4.7μF and 0.1μF bypass capaci-
tors on both supplies (V
DD
and GND) with each
capacitor placed as close as possible to the V
DD
and
GND pins.
Layout and Grounding
The exposed paddle on the μMAX and TSSOP pack-
ages provides a low thermal resistance for heat dissi-
pation. Solder the exposed paddle to a ground plane
for best results. Do not route traces under these pack-
ages. For dual-supply operation, the exposed paddle
(EP) must be electrically connected to the negative
supply or it can be left unconnected.
MAX9550
16V
SUPPLY
*C1 = 4.7
μ
F
C
L
= 1
μ
F
*C2 = 0.1
μ
F
*PLACE 4.7
μ
F AND 0.1
μ
F CAPACITORS AS CLOSE TO PIN AS POSSIBLE.
NOTE:
PLACE C
AS CLOSE TO THE OUT PIN AS POSSIBLE
AND KELVIN SENSE THE FEEDBACK LOOP CONNECTION AS SHOWN.
IN+
OUT
V
OUT
TFT-LCD
CAPACITANCE
V
REF
V
DD
TFT LCD
IN-
GND
Figure 2. Typical TFT-LCD Backplane Drive Circuit
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9550EUA+ | 功能描述:LCD 驅(qū)動(dòng)器 RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| MAX9550EUA+T | 功能描述:LCD 驅(qū)動(dòng)器 RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| MAX9550EUK+T | 制造商:Maxim Integrated Products 功能描述:- Tape and Reel |
| MAX9550EZK+ | 制造商:Maxim Integrated Products 功能描述:LCD DRVR 9V/12V/15V/18V 5PIN TSOT-23 - Rail/Tube |
| MAX9550EZK+T | 功能描述:LCD 驅(qū)動(dòng)器 VCOM Drive Buffer for TFT LCD RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
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