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LM3410 датащи(PDF) 1 Page - Texas Instruments |
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LM3410 датащи(HTML) 1 Page - Texas Instruments |
1 / 44 page 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. |
Аналогичный номер детали - LM3410 |
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Аналогичное описание - LM3410 |
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