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High Current Boost White Led Driver


For this reason, they may not be 100% accurate for a specific device. CAT4139TD-GT3 Active Pb-free Halide free White LED Driver, High Current Boost, 22 V TSOT-23-5 419AE 1 Tape and Reel 3000 $0.48 Sample Inventory Moisture Sensitivity level (MSL) for surface mount devices Their high-efficiency and high-switching frequencies make them well suited to modern consumer equipment.Diodes' linear LED drivers provide a simple cost-effective solution to driving low-current, high-brightness LEDs.Licensed LED Partners     Off-Line LED Drivers Example: "npn bipolar transistor" Fill in the Blanks - Wildcard ( * ) - Results contain various forms of words sharing common roots or stems. click site

For less urgent requests, please complete our Technical Support Request Form. Please contact our sales support for information on specific devices. number of strings: This option is required. When driving multiple LEDs in a single string, efficiencies greater than 95% may be attained together with very accurate LED current matching.Diodes' offline LED drivers provide a simple cost-effective solution for http://www.onsemi.com/PowerSolutions/product.do?id=CAT4139

Led Boost Driver

With the maximum operating input voltage of 36V and output voltage up to 90V, the RT8494 is ideal for Buck, Boost or Buck-Boost operation. LED dimming can be done by using a DC voltage, a logic signal, or a pulse width modulation (PWM) signal. Example: "npn -pnp" Search Exactly As Is ( + ) - Results contain the exact term immediately following it (do not add a space after the +). The built-in clamping comparator and filter allow easy low noise analog dimming conversion from digital signal with only one external capacitor.

And must be less than or equal to Volt. Output Voltage: Current: Power: Product Tree Boost Current Regulators for LED eDesignSuite LED LED DC/DC Input Voltage presets 230 V - 50 Hz 115 - 60 Hz Wide Range - Please allow 2-3 business days for reply. Boost Converter Led Driver Home Products Discrete MOSFETs MOSFET Master Table N Channel N Channel 8V to 29V N Channel 30V N Channel 31V - 99V N Channel 100V - 399V N-Channel >400V P Channel

Min [V] LED custom VF [V] This option is required. The output current control ensures good current regulation over the forward voltage spread characteristics of high-brightness LEDs. Dimming can be done by either analog or digital. http://www.st.com/en/power-management/stcf07.html Qty: OK Cancel Get to Know Us About Richtek News Release Find Products SwitchingRegulators Motherboard Parametric Search Cross Reference Get Support Technical Documents Design Tools Contact Us My Richtek My Profile

And must be less than or equal to Volt. Boost Led Driver Ic With a current sense amplifier threshold of 190mV, the LED current is programmable with one external current sense resistor. IF [A] This option is required. Operation at a fixed switching frequency of 1MHz allows the device to be used with small value external ceramic capacitors and inductor.

Constant Current Boost Led Driver

Output Voltage: Current: Power: Tools & Software Tools & Software Ecosystems STM32 Open Development Environment STM32 ODE Power-Drive HW (1) Evaluation Tools Product Evaluation Tools STM32 Nucleo expansion boards (1) Solution http://www.richtek.com/RedirectToProduct?specid=RT8494 Other features include integrated Schottky diodes, accurate LED current matching and multiple output capability.

View All Step-Up (Boost) LED Drivers You will need to enable JavaScript in your browser in order Led Boost Driver By continuing your visit on our website, you consent to our cookies in accordance with ST Cookies Policy. OK READ MORE Menu Products Explore our product portfolio Aerospace and Defense Products Buck Boost Led Driver Module Technical Support Home> Products> Product Taxonomy> LED Drivers> DC-DC LED Drivers> CAT4139 The document you are trying to download is gated.Log into MyON to proceed.

And must be greater than or equal to Volt. http://tuiconverter.com/led-driver/high-efficiency-12v-white-led-driver.php Applications General Industrial High Power LED Lighting Desk Lights and Room Lighting Building and Street Lighting Industrial Display Backlight Smart lighting solutions DC/CC Buck, Boost and Buck-Boost Key Spec. & CAT4139:White LED Driver, High Current Boost, 22 V Datasheet: White LED Driver, 22 V, High Current Boost Rev. 2 (128kB) Product Overview »View Reliability Data »View Material Composition »Product Change Notification(2) For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors Quality & Reliability Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration** STCF07PNR NRNDVFQFPN 16 Constant Current Boost Converter

Features Switch Current Limit 750 mA Drives LED strings up to 22 V Up to 87% Efficiency Low Quiescent Ground Current 0.6 mA 1 MHz Fixed Frequency Low noise Operation In addition to thermal protection and overload current limiting, the device also enters a very low power operating mode during 'Open LED' fault conditions. Use of this web site signifies your agreement to the terms and conditions. http://tuiconverter.com/led-driver/high-bright-white-led-driver.php Min [V] LED custom VF [V] This option is required.

The CAT4139 is ideal for driving parallel strings of up to five white LEDs in series or up to 22 V. Led Boost Driver Circuit ST offers both single- and multi-channel high-efficiency boost LED drivers featuring a wide dimming range, low noise and small footprint. LEDs connected in series are driven with a regulated current set by the external resistor R1.

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They also embed protection functions such as overvoltage and overcurrent protection, thermal shutdown and LED-array protection. And must be greater than or equal to Volt. Device topologies include Buck, Boost and Buck-boost.Diodes' low voltage DC-DC high brightness LED drivers are targeted at battery powered systems for general illumination applications. Led Boost Circuit Example: controllers OR converters Phrase Search ( " " ) - Results contain exact words in that exact order.

The device includes various functions to protect the chip and the power LEDs. LED7706 LED driver with boost regulator, 6-rows 30 mA, for LCD panels backlight LED6001 PWM-dimmable single channel LED driver with integrated boost controller LED7707 LED driver with boost regulator, 6-rows 85 About STMicroelectronics Who We Are Management ST Code of Conduct Blog Media Center Newsroom Backgrounders Media Contacts Media Subscription Investor Relations Investor Relations Home Calendar & Presentations Quarterly Results Corporate Governance my review here An optional external NTC is supported to protect the LEDs against overheating.

LEDs in the string: This option is required. The RT8494 is available in SOP-14 package. Rd [Ω] This option is required. The symbol (*) represents additional letters or characters Example: "NCP*" Exclude Terms ( - ) - Results do not contain the term immediately following it (do not add a space after

Please input order qty: Invalid number! Max [V] Volt. XO Programmable XO Build Programmable XO Part Number SSXO Ultra Low Jitter XO VCXO/TCXO/VCCTCXO VCXO TCXO / VCTCXO Xtals/Crystals Standard Xtal Parts Interface Universal Level Shifter / Voltage Translation (ULS) UART Max [V] This option is required.