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ISL97519A Datasheet(PDF) 1 Page - Intersil Corporation

Part No. ISL97519A
Description  600kHz/1.2MHz PWM Step-Up Regulator
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Maker  INTERSIL [Intersil Corporation]
Homepage  http://www.intersil.com/cda/home
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ISL97519A Datasheet(HTML) 1 Page - Intersil Corporation

   
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1
®
FN6683.2
ISL97519A
600kHz/1.2MHz PWM Step-Up Regulator
The ISL97519A is a high frequency, high efficiency step-up
voltage regulator operated at constant frequency PWM
mode. With an internal 2.0A, 200m
Ω MOSFET, it can deliver
up to 1A output current at over 90% efficiency. Two
selectable frequencies, 600kHz and 1.2MHz, allow trade offs
between smaller components and faster transient response.
An external compensation pin gives the user greater
flexibility in setting frequency compensation allowing the use
of low ESR Ceramic output capacitors.
When shut down, it draws <1µA of current and can operate
down to 2.3V input supply. These features along with
1.2MHz switching frequency makes it an ideal device for
portable equipment and TFT-LCD displays.
The ISL97519A is available in an 8 Ld MSOP package with a
maximum height of 1.1mm. The device is specified for
operation over the full -40°C to +85°C temperature range.
Pinout
ISL97519A
(8 LD MSOP)
TOP VIEW
Features
• >90% Efficiency
• 2.0A, 200m
Ω Power MOSFET
• 2.3V to 5.5V Input
• Up to 25V Output
• 600kHz/1.2MHz Switching Frequency Selection
• Adjustable Soft-Start
• Internal Thermal Protection
• 1.1mm Max Height 8 Ld MSOP Package
• Pb-Free (RoHS compliant)
• Halogen Free
Applications
• TFT-LCD displays
• DSL modems
• PCMCIA cards
• Digital cameras
• GSM/CDMA phones
• Portable equipment
• Handheld devices
FB
FSEL
EN
VDD
GND
LX
COMP
SS
1
2
3
4
8
7
6
5
Ordering Information
PART
NUMBER
(Note)
PART
MARKING
PACKAGE
(Pb-Free)
PKG.
DWG. #
ISL97519AIUZ
7519A
8 Ld MSOP
MDP0043
ISL97519AIUZ-T*
7519A
8 Ld MSOP
MDP0043
ISL97519AIUZ-TK*
7519A
8 Ld MSOP
MDP0043
*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.
Data Sheet
June 30, 2008
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. 2008. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.


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