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Intersil Electronic Components Datasheet

EL7642A Datasheet

(EL7640A - EL7642A) TFT-LCD DC/DC

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EL7642A pdf
®
PRELIMINARY
Data Sheet
EL7640A, EL7641A, EL7642A
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 VON
and VOFF, a VON-slice circuit with adjustable delay and
either one (EL7640A), three (EL7641A), or five amplifiers
(EL7642A) for VCOM and VGAMMA 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 VON, VOFF, as well as providing
start-up sequence control and fault protection.
The amplifiers are ideal for VCOM and VGAMMA
applications, with 150mA peak output current drive, 12MHz
bandwidth, and 12V/µs 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
www.DataSheet4U.com
for operation over the -40°C to +85°C temperature range.
Ordering Information
PART NUMBER PART TAPE & PACKAGE PKG.
(Note)
MARKING REEL (Pb-Free) DWG. #
EL7640AILTZ
7640AILTZ - 32 Ld 5x5 MDP0051
Thin QFN
EL7640AILTZ-T7 7640AILTZ 7” 32 Ld 5x5 MDP0051
Thin QFN
EL7640AILTZ-T13 7640AILTZ 13” 32 Ld 5x5 MDP0051
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.
Features
• Current mode boost regulator
- Fast transient response
- 1% accurate output voltage
- 18V/3A integrated FET
- >90% efficiency
• 2.6V to 5.5V VIN supply
• 2 LDO controllers for VON and VOFF
- 2% output regulation
- VON-slice circuit
• High speed amplifiers
- 150mA short-circuit output current
- 12V/µs 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
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.


Intersil Electronic Components Datasheet

EL7642A Datasheet

(EL7640A - EL7642A) TFT-LCD DC/DC

No Preview Available !

EL7642A pdf
Pinouts
EL7640A, EL7641A, EL7642A
EL7640A
(32 LD QFN)
TOP VIEW
EL7641A
(32 LD QFN)
TOP VIEW
SRC 1
REF 2
AGND 3
PGND 4
OUT1 5
NEG1 6
POS1 7
NC 8
THERMAL
PAD
24 COMP
23 FB
22 IN
21 LX
20 NC
19 NC
18 IC
17 NC
SRC 1
REF 2
AGND 3
PGND 4
OUT1 5
NEG1 6
POS1 7
OUT2 8
THERMAL
PAD
24 COMP
23 FB
22 IN
21 LX
20 NC
19 NC
18 IC
17 OUT3
NC = NOT INTERNALLY CONNECTED
IC = INTERNALLY CONNECTED
EL7642A
(32 LD QFN)
TOP VIEW
SRC 1
REF 2
AGND 3
PGND 4
OUT1 5
NEG1 6
POS1 7
OUT2 8
THERMAL
PAD
24 COMP
23 FB
22 IN
21 LX
20 OUT5
19 NEG5
18 POS5
17 OUT4
NC = NOT INTERNALLY CONNECTED
IC = INTERNALLY CONNECTED
2 FN6270.0
May 15, 2006


Part Number EL7642A
Description (EL7640A - EL7642A) TFT-LCD DC/DC
Maker Intersil Corporation
Total Page 19 Pages
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EL7642A pdf
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