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ISL97519 Datasheet

  • ISL97519

  • 1% Output Accuracy 600kHz/1.2MHz PWM Step-Up Regulator

  • Intersil   Intersil

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ISL97519
Data Sheet
November 2, 2007
FN6454.1
1% Output Accuracy 600kHz/1.2MHz PWM
Step-Up Regulator
The ISL97519 is a high frequency, high efficiency step-up
voltage regulator operated at constant frequency PWM
mode. With an internal 2.0A, 200m惟 MOSFET, it can deliver
up to 1A output current at over 90% efficiency. The
selectable 600kHz and 1.2MHz allows smaller inductors 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 <1碌A(chǔ) 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 ISL97519 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擄C to +85擄C temperature range.
Features
鈥?1% Output Accuracy
鈥?>90% Efficiency
鈥?2.0A, 200m惟 Power MOSFET
鈥?2.3V to 5.5V Input
鈥?Up to 25V Output
鈥?600kHz/1.2MHz Switching Frequency Selection
鈥?Adjustable Soft-Start
鈥?Internal Thermal Protection
鈥?1.1mm Max Height 8 Ld MSOP Package
鈥?Pb-free Plus Anneal Available (RoHS compliant)
Applications
鈥?TFT-LCD displays
鈥?DSL modems
鈥?PCMCIA cards
Pinout
ISL97519
(8 LD MSOP)
TOP VIEW
COMP 1
FB 2
EN 3
GND 4
8 SS
7 FSEL
6 VDD
5 LX
鈥?Digital cameras
鈥?GSM/CDMA phones
鈥?Portable equipment
鈥?Handheld devices
Ordering Information
PART
NUMBER
(Note)
ISL97519IUZ
ISL97519IUZ-T*
ISL97519IUZ-TK*
PART
MARKING
7519Z
7519Z
7519Z
PACKAGE
(Pb-free)
8 Ld MSOP
8 Ld MSOP
8 Ld MSOP
PKG.
DWG. #
MDP0043
MDP0043
MDP0043
*Please refer to TB347 for details on reel specifications.
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. 2007. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

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