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LM3410 датащи(PDF) 1 Page - Texas Instruments

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номер детали LM3410
подробное описание детали  525kHz/1.6MHz, Constant Current Boost and SEPIC LED Driver with Internal Compensation
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производитель  TI1 [Texas Instruments]
домашняя страница  http://www.ti.com
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LM3410 датащи(HTML) 1 Page - Texas Instruments

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FB
VIN
SW
2
1
3
5
4
DIM
VIN
C1
DIMM
GND
LEDs
L1
D1
R1
C2
LM3410
www.ti.com
SNVS541F – OCTOBER 2007 – REVISED AUGUST 2010
LM3410/LM3410Q 525kHz/1.6MHz, Constant Current Boost and SEPIC LED Driver with
Internal Compensation
Check for Samples: LM3410
1
FEATURES
2
Space Saving SOT23-5 & 6-LLP Package
Thermal Shutdown
Input voltage range of 2.7V to 5.5V
LM3410Q is AEC-Q100 Grade 1 qualified and is
manufactured on an Automotive Grade Flow
Output voltage range of 3V to 24V
2.8A Typical Switch Current
APPLICATIONS
High Switching Frequency
LED Backlight Current Source
525 KHz (LM3410-Y)
LiIon Backlight OLED & HB LED Driver
1.6 MHz (LM3410-X)
Handheld Devices
170 m
Ω NMOS Switch
LED Flash Driver
190 mV Internal Voltage Reference
Automotive
Internal Soft-Start
Current-Mode, PWM Operation
DESCRIPTION
The LM3410 constant current LED driver is a monolithic, high frequency, PWM DC/DC converter in 5-pin SOT23,
6-pin LLP, & 8-pin eMSOP packages. With a minimum of external components the LM3410 is easy to use. It can
drive 2.8A typical peak currents with an internal 170 m
Ω NMOS switch. Switching frequency is internally set to
either 525 kHz or 1.60 MHz, allowing the use of extremely small surface mount inductors and chip capacitors.
Even though the operating frequency is high, efficiencies up to 88% are easy to achieve. External shutdown is
included, featuring an ultra-low standby current of 80 nA. The LM3410 utilizes current-mode control and internal
compensation to provide high-performance over a wide range of operating conditions. Additional features include
dimming, cycle-by-cycle current limit, and thermal shutdown.
Typical Boost Application Circuit
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2007–2010, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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