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ISL97631 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 ISL97631
部品説明 White LED Boost Regulator
メーカ Intersil Corporation
ロゴ Intersil Corporation ロゴ 



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ISL97631 Datasheet, ISL97631 PDF,ピン配置, 機能
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Data Sheet
December 21, 2005
ISL97631
FN7370.1
White LED Boost Regulator With
Integrated Schottky Diode
The ISL97631 represents a high efficiency, constant
frequency PWM regulator with integrated boost diode and
FET. Designed for use in white LED driving applications, the
ISL97631 features efficiencies up to 85%. It operates at
1.35MHz switching frequency and operates from an input
voltage of between 2.7V and 5.5V. The maximum output
voltage of 27V enables the ISL97631 to drive up to 6 LEDs in
series. It is also possible to use the ISL97631 to drive LEDs
in series/parallel combination for applications requiring up to
15 LEDs.
Available in the 6 Ld TSOT package, the ISL97631 offers
high efficiency, constant frequency operation. It is specified
for operation over the -40°C to +85°C ambient temperature
range.
Pinout
ISL97631
(6 LD TSOT)
TOP VIEW
VOUT 1
GND 2
LX 3
6 VIN
5 FB
4 ENAB
Features
• Up to 6 LEDs in series
• 27V maximum output
• 2.7V to 5.5V input
• Up to 85% efficient
• 1.35MHz constant frequency
• Enable/PWM dimming control
• Pb-free plus anneal available (RoHS compliant)
Applications
• LED backlighting
• Cell phones
• PDAs
• Handheld games
• MP3 players
• GPS
• Other handheld devices
Ordering Information
PART NUMBER
PART
MARKING
PCS.
TAPE &
REEL
PACKAGE
(TAPE AND REEL)
PKG. DWG. #
ISL97631IHTZ-T7 (See Note)
631Z
3,000
7” 6 Ld TSOT (Pb-free)
MDP0049
ISL97631IHTZ-T7A (See Note)
631Z
270 7” 6 Ld TSOT (Pb-free)
MDP0049
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. 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

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