参数资料
| 型号： | EL7642AILTZ |
| 厂商： | Intersil |
| 文件页数： | 1/19页 |
| 文件大小： | 0K |
| 描述： | IC CONV DC/DC TFT-LCD 32-QFN |
| 标准包装： | 72 |
| 应用： | 转换器，TFT，LCD |
| 输入电压： | 2.6 V ~ 5.5 V |
| 输出数： | 7 |
| 输出电压： | 5.5 V ~ 20 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 供应商设备封装： | 32-TQFN-EP（5x5） |
| 包装： | 散装 |
?
EL7640A, EL7641A, EL7642A
PRELIMINARY
Data Sheet
May 15, 2006
FN6270.0
TFT-LCD DC/DC with Integrated
Amplifiers
The EL7640A, EL7641A, and EL7642A 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 (EL7640A), three (EL7641A), or five amplifiers
(EL7642A) for V COM and V GAMMA applications.
The boost converter in the EL7640A, EL7641A, and
EL7642A is a current mode PWM type integrating an 18V
NHchannel 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 EL7640A, EL7641A, and EL7642A are specified
for operation over the -40°C to +85°C temperature range.
Ordering Information
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)
PART NUMBER
(Note)
PART
MARKING
TAPE & PACKAGE
REEL (Pb-Free)
PKG.
DWG. #
Applications
EL7640AILTZ
7640AILTZ
-
32 Ld 5x5
MDP0051
? TFT-LCD panels
Thin QFN
? LCD monitors
EL7640AILTZ-T7
7640AILTZ
7”
32 Ld 5x5
Thin QFN
MDP0051
? Notebooks
EL7640AILTZ-T13 7640AILTZ
13”
32 Ld 5x5
MDP0051
? LCD-TVs
Thin QFN
EL7641AILTZ
7641AILTZ
-
32 Ld 5x5
MDP0051
Thin QFN
EL7641AILTZ-T7
7641AILTZ
7”
32 Ld 5x5
MDP0051
Thin QFN
EL7641AILTZ-T13 7641AILTZ
13”
32 Ld 5x5
MDP0051
Thin QFN
EL7642AILTZ
7642AILTZ
-
32 Ld 5x5
MDP0051
Thin QFN
EL7642AILTZ-T7
7642AILTZ
7”
32 Ld 5x5
MDP0051
Thin QFN
EL7642AILTZ-T13 7642AILTZ
13”
32 Ld 5x5
MDP0051
Thin QFN
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.
1
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. 2006. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
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