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參數(shù)資料
| 型號(hào)： | MAX9552EUD+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 10/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC BUFFER VCOM 14-TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 應(yīng)用： | TFT-LCD 面板：VCOM 驅(qū)動(dòng)器 |
| 電路數(shù)： | 4 |
| 電流 - 電源： | 2mA |
| 電流 - 輸出 / 通道： | 55mA |
| 電壓 - 電源，單路/雙路(±)： | 6 V ~ 20 V，±3 V ~ 10 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 14-TSSOP （0.173"，4.40mm 寬）裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 14-TSSOP-EP |
| 包裝： | 帶卷 (TR) |
MAX9550/MAX9551/MAX9552
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 4.7F (C1) and 0.1F (C2) power-sup-
ply bypass capacitors placed as close as possible to
the power-supply pin (VDD). See Figure 2. For dual-
supply operation, use 4.7F and 0.1F bypass capaci-
tors on both supplies (VDD and GND) with each
capacitor placed as close as possible to the VDD and
GND pins.
Layout and Grounding
The exposed paddle on the MAX 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 = 4.7F
CL=1F
*C2 = 0.1F
*PLACE 4.7F AND 0.1F CAPACITORS AS CLOSE TO PIN AS POSSIBLE.
NOTE: PLACE CL AS CLOSE TO THE OUT PIN AS POSSIBLE
AND KELVIN SENSE THE FEEDBACK LOOP CONNECTION AS SHOWN.
IN+
OUT
VOUT
TFT-LCD
CAPACITANCE
VREF
VDD
TFT LCD
IN-
GND
Figure 2. Typical TFT-LCD Backplane Drive Circuit
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