參數(shù)資料
型號： EL7642
廠商： Intersil Corporation
英文描述： TFT-LCD DC/DC with Integrated Amplifiers
中文描述： 的TFT - LCD的DC / DC集成放大器
文件頁數(shù)： 1/19頁
文件大?。?/td> 493K
代理商： EL7642
1
FN7415.1
EL7640, EL7641, EL7642
TFT-LCD DC/DC with Integrated
Amplifiers
The EL7640, EL7641, and EL7642 integrate a high
performance boost regulator with 2 LDO controllers for V
ON
and V
OFF
, a V
ON
-slice circuit with adjustable delay and
either one (EL7640), three (EL7641), or five amplifiers
(EL7642) for V
COM
and V
GAMMA
applications.
The boost converter in the EL7640, EL7641, and EL7642 is
a current mode PWM type integrating an 18V N-channel
MOSFET. Operating at 1.2MHz, this boost can operate in
either P-mode for superior transient response, or in PI-mode
for tighter output regulation.
Using external low-cost transistors, the LDO controllers
provide tight regulation for V
ON
, V
OFF
, as well as providing
start-up sequence control and fault protection.
The amplifiers are ideal for V
COM
and V
GAMMA
applications, with 150mA peak output current drive, 12MHz
bandwidth, and 12V/
μ
s slew rate. All inputs and outputs are
rail-to-rail.
Available in the 32 Ld thin QFN (5mm x 5mm) Pb-free
packages, the EL7640, EL7641, and EL7642 are specified
for operation over the -40°C to +85°C temperature range.
Features
Current mode boost regulator
- Fast transient response
- 1% accurate output voltage
- 18V/3A integrated FET
- >90% efficiency
2.6V to 5.5V V
IN
supply
2 LDO controllers for V
ON
and V
OFF
- 2% output regulation
- V
ON
-slice circuit
High speed amplifiers
- 150mA short-circuit output current
- 12V/
μ
s slew rate
- 12MHz -3dB bandwidth
- Rail-to-rail inputs and outputs
Built-in power sequencing
Internal soft-start
Multiple overload protection
Thermal shutdown
32 Ld 5x5 thin QFN package
Pb-Free plus anneal available (RoHS compliant)
Applications
TFT-LCD panels
LCD monitors
Notebooks
LCD-TVs
Ordering Information
PART NUMBER
(Note)
PART
MARKING
TAPE &
REEL
PACKAGE
(Pb-Free)
PKG.
DWG. #
EL7640ILTZ
7640ILTZ
-
32 Ld 5x5
Thin QFN
MDP0051
EL7640ILTZ-T7
7640ILTZ
7”
32 Ld 5x5
Thin QFN
MDP0051
EL7640ILTZ-T13
7640ILTZ
13”
32 Ld 5x5
Thin QFN
MDP0051
EL7641ILTZ
7641ILTZ
-
32 Ld 5x5
Thin QFN
MDP0051
EL7641ILTZ-T7
7641ILTZ
7”
32 Ld 5x5
Thin QFN
MDP0051
EL7641ILTZ-T13
7641ILTZ
13”
32 Ld 5x5
Thin QFN
MDP0051
EL7642ILTZ
7642ILTZ
-
32 Ld 5x5
Thin QFN
MDP0051
EL7642ILTZ-T7
7642ILTZ
7”
32 Ld 5x5
Thin QFN
MDP0051
EL7642ILTZ-T13
7642ILTZ
13”
32 Ld 5x5
Thin QFN
MDP0051
NOTE: Intersil Pb-free plus anneal products employ special Pb-free material
sets; molding compounds/die attach materials and 100% matte tin plate
termination finish, which are RoHS compliant and compatible with both SnPb
and Pb-free soldering operations. Intersil Pb-free products are MSL classified at
Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements
of IPC/JEDEC J STD-020.
Data Sheet
September 26, 2005
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EL7642AILTZ 功能描述:LCD 驅(qū)動器 EL7642AILTZ TFT-LCD DC-DC W/INTEGRTD AMP RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時鐘頻率: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
EL7642AILTZ-T13 功能描述:LCD 驅(qū)動器 EL7642AILTZ TFT-LCD DC-DC W/INTEGRTD AMP RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時鐘頻率: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
EL7642AILTZ-T7 功能描述:LCD 驅(qū)動器 EL7642AILTZ TFT-LCD DC-DC W/INTEGRTD AMP RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時鐘頻率: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
EL7642ILTZ 功能描述:直流/直流開關(guān)調(diào)節(jié)器 EL7642ILZ TFT-LCD DC -DC W/INTEGRTD AMP RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
EL7642ILTZ-T13 功能描述:直流/直流開關(guān)調(diào)節(jié)器 EL7642ILTZ TFT-LCD D C-DC W/INTEGRTD AMP RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
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