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參數(shù)資料
| 型號(hào)： | AAT1118A |
| 廠商： | Advanced Analog Technology,lnc. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | ADJUSTABLE TRIPLE-CHANNEL TFT LCD DC-DC CONVERTER |
| 中文描述： | 可調(diào)三通道TFT液晶DC - DC變換器 |
| 文件頁(yè)數(shù)： | 1/18頁(yè) |
| 文件大?。?/td> | 761K |
| 代理商： | AAT1118A |
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Page 1 of 18 V 1.0
AAT1118/A/B
Details are subject to change without notice.
ADJUSTABLE TRIPLE-CHANNEL TFT LCD
DC-DC CONVERTER
Features General Description
Built in 1.6A, 0.2
Switching NMOS
Fault and Thermal Protection
Internal Soft-Start Function
Internal Power Up Sequencing
Dual Adjustable Charge Pump Output
Positive Output to 40V
Negative Output to
40V
Power Good Output
TSSOP-16 Package
Pin Configuration
(Top View)
The AAT1118/A/B is an adjustable triple-channel
TFT LCD DC-DC converter that provides one
current mode PWM, one positive charge pump and
one negative charge pump. Built-in functions
include soft-start and power up sequencing. When
power is turned on, soft-start avoids inrush current.
Power
up
sequencing
compensation for LCD panel to maintain a smooth
voltage during a turn-on cycle.
The DC-DC converter consists of an on-chip
voltage reference, error amplifier, current sense,
pulse width modulation controller, under-voltage
lockout protection, thermal detect, soft-start, and
fault protection circuit.
When the two charge pumps are in operation, the
output voltage would be doubled and the generated
VP3 and VP2 (Note 1) could switch on or off TFT
gate.
With the minimal external components, the
AAT1118/A/B offers a simple and economical
solution for TFT LCD power.
Note 1: Please refer to page 13 and 14 for VP3 and
VP2.
feature
provides
(TSSOP-16 Package)
AAT1118/A/B
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
PGO
IN1
EO
V
IN3
IN2
GND1
SW
GND2
/
OUT3
OUT2
SHDN
DD
V
DD1
V
REF
DD2
V
CH3
V
GND
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AAT1118B | ADJUSTABLE TRIPLE-CHANNEL TFT LCD DC-DC CONVERTER |
| AAT1149IJS-0.6-T1 | 3MHz Fast Transient 400mA Step-Down Converter |
| AAT1149 | 3MHz Fast Transient 400mA Step-Down Converter |
| AAT1151 | 850kHz 700mA Synchronous Buck DC/DC Converter |
| AAT1151_07 | 850kHz 700mA Synchronous Buck DC/DC Converter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AAT1118B | 制造商:AAT 制造商全稱:AAT 功能描述:ADJUSTABLE TRIPLE-CHANNEL TFT LCD DC-DC CONVERTER |
| AAT1120 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:500mA Step-Down Converter |
| AAT1120IES-0.6-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:500mA Step-Down Converter |
| AAT1121 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:1.5MHz, 250mA Step-Down Converter |
| AAT1121_07 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:1.5MHz, 250mA Step-Down Converter |
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