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ANALOG DEVICES LT3967EFE#PBF
LED Driver, DC / DC, Buck-Boost, 2 MHz, TSSOP-EP-28, 2.7 to 5.5 V, -40 to 125°C, SMD
- Manufacturer:
- ANALOG DEVICES ANALOG DEVICES
- Manufacturer Part No:
- LT3967EFE#PBF
- Order Code:
- 4033347
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- Technical Datasheet:
- LT3967EFE#PBF Datasheet
- ECAD / MCAD
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Product Information
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- :
- Boost, Buck, Buck-Boost
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- -
- :
- 2.7V
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- 5.5V
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- -
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- 1A
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- 2MHz
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- Surface Mount
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- TSSOP-EP
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- 28Pins
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- -40°C
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- 125°C
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- -
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- -
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- MSL 1 - Unlimited
Technical Documents (1)
Product Overview
LT®3967 is an LED bypass switching device for dimming individual LEDs in a string using a common current source. It features eight individually controlled floating source 15V/110mohm NMOS switches. The eight switches can be connected in parallel and/or in series to bypass current around LEDs in a string. The LT3967 uses the I²C serial interface to communicate with a microcontroller. Each of the eight channels can be independently programmed to bypass the LED string in constant on or off, or PWM dimming with or without fade transition. Using the programmable fade option provides 11bit resolution exponential transition between PWM dimming states. Application includes automotive LED headlight clusters, large LED displays, RGBW colour mixing lighting.
- I²C serial interface with programmable address, I²C packet error checking with CRC-8
- 11bit precision exponential fade with programmable time
- Independent On/Off control for each switch, internal PWM signal generator
- Programmable shorted/open LED threshold with fault reporting, programmable watchdog timer
- Accurate VIN referred enable pin, user defined power-up/reset state of switches
- Input supply voltage range from 2.7 to 5.5V (TA=25°C, VIN=40V, ENH=38.5V, VDD=5V)
- Typical VDD Operating IQ is 1.5mA (2C Bus Idle, RTSYNC=28K)
- Operating voltage range from 8 to 60V (all channels VOTH=VSTH=0, TA=25°C)
- Typical shutdown IQ is 0.9mA (VIN - ENH
1.15V, All Channels LED ON) - 28-lead plastic TSSOP, temperature range from -40°C to 125°C
Footnotes
ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party
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40 deliver in 3-4 business days from our UK warehouse
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¥1,989.15
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¥2,188.07
Inc. JCT)
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| 1+ | ¥1,989.15 (¥2,188.07) | ( ) |
| 10+ | ¥1,402.87 (¥1,543.16) | ( ) |
| 50+ | ¥1,251.82 (¥1,377.00) | ( ) |
| 100+ | ¥1,083.01 (¥1,191.31) | ( ) |
| 250+ | ¥1,001.24 (¥1,101.36) | ( ) |
| 500+ | ¥951.46 (¥1,046.61) | ( ) |
| 1000+ | ¥915.33 (¥1,006.86) | ( ) |
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