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Lifecycle StatusObsolete (Last Updated: 4 years ago)
Manufacturer Lifecycle StatusOBSOLETE (Last Updated: 4 years ago)
설명
유통업체에서 제공한 Analog Devices ADM8843ACPZ1-R7에 대한 설명입니다.
Contains Lead Non-RoHS Compliant NO LEAD QUAD led driver 85C 5.5V 20mA 3mm
The ADM8843 uses charge pump technology to provide the power to drive up to four LEDs. The LEDs are used for...
The ADM8843 uses charge pump technology to provide the power to drive up to four LEDs. The LEDs are used for backlighting a color LCD display that has regulated constant current for uniform brightness intensity. The main display can use up to three LEDs, and the sub display uses one LED. The CTRL1 and CTRL2 digital input control pins control the shutdown operation and the brightness of the main and sub displays. To maximize power efficiency, the charge pump can operate in 1×, 1.5×, or 2× mode. The charge pump automatically switches among 1×/1.5×/2× modes, based on the input voltage, to maintain sufficient drive for the LED anodes at the highest power efficiency. Improved brightness matching of the LEDs is achieved by a feedback pin that senses individual LED current with a typical matching accuracy of 0.3%. Applications Cellular phones with main and sub displays White LED backlighting Camera flash/strobes and movie light applications Micro TFT color displays DSC PDAs
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- Analog Devices Inc
- ANALOG
- ADI
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- ANALOG DEV
- AD
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- PMI
- Analog Devices Inc/Maxim Integrated
- ADV
- ADA
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- PMI/AD
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- AD/PMI
- STOCK
- Analog Devices / Linear Technology
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- PRECISION MONOLITIC INC
- ADI (Analog Devices Inc)
- ANADEV
- Analog Devices / Hittite
- ANALOG DEVICES (ADI)
- ANLOGDEVIC
- Analog Devices Inc.
- Maxim Analog Devices
- Analog Devices / Maxim Integrated