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ISL78020ANZ Datasheet

  • ISL78020ANZ

  • Automotive Grade TFT-LCD DC/DC with Integrated Amplifiers

  • 315.15KB

  • 19頁

  • INTERSIL   INTERSIL

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ISL78020, ISL78022
Data Sheet
December 6, 2007
FN6386.2
Automotive Grade TFT-LCD DC/DC with
Integrated Amplifiers
The ISL78020 and ISL78022 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
(ISL78020) or five (ISL78022) amplifiers for V
COM
and
V
GAMMA
applications.
The boost converter in the ISL78020 and ISL78022 is a
current mode PWM type integrating an 18V N-Channel
MOSFET. Operating at 1.2MHz, this boost converter 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/碌s slew rate. All inputs and outputs are
rail-to-rail.
Available in a 32 Ld TQFP (7mmx7mm) Pb-free package, the
ISL78020, ISL78022 are specified for operation over a -40擄C to
+105擄C temperature range.
Features
鈥?Current mode boost regulator
- Fast transient response
- 1% accurate output voltage
- 18V/3A integrated FET
- >90% efficiency
鈥?2.6V to 5.5V V
IN
supply
鈥?2 LDO controllers for V
ON
and V
OFF
- 2% output regulation
- V
ON
-slice circuit
鈥?High speed amplifiers
- 150mA short-circuit output current
- 12V/碌s slew rate
- 12MHz -3dB bandwidth
- Rail-to-rail inputs and outputs
鈥?Built-in power sequencing
鈥?Internal soft-start
鈥?Multiple overload protection
鈥?Thermal shutdown
鈥?32 Ld 7x7 TQFP package
鈥?Pb-free (RoHS compliant)
Ordering Information
PART NUMBER
(Note)
ISL78020ANZ*
ISL78022ANZ*
PART
MARKING
PACKAGE
(Pb-Free)
PKG.
DWG. #
Applications
鈥?All automotive TFT-LCD panels
ISL78020 ANZ 32 Ld 7x7 TQFP Q32.7x7
ISL78022 ANZ 32 Ld 7x7 TQFP Q32.7x7
*Add 鈥?T鈥?suffix for tape and reel. Please refer to TB347 for details
on reel specifications.
NOTE: These Intersil Pb-free plastic packaged products employ
special Pb-free material sets; molding compounds/die attach
materials and 100% matte tin plate PLUS ANNEAL - e3 termination
finish, which is 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. 2007. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

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