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Part Number
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MIC2843A |
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Manufacturer
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Micrel Semiconductor |
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Description
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High-Efficiency 6-Channel Linear WLED Driver |
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Published
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Apr 19, 2011 |
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Detailed Description
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MIC2843A
High Efficiency 6 Channel Linear WLED Driver with DAM™ and Ultra Fast PWM™ Control
General Description
Featur...
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Datasheet
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MIC2843A
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Overview
MIC2843A
High Efficiency 6 Channel Linear WLED Driver with DAM™ and Ultra Fast PWM™ Control
General Description
Features
The MIC2843A is a high efficiency linear White LED • High Efficiency (no Voltage Boost losses) (WLED) driver designed to drive up to six WLEDs, greatly • Dynamic Average Matching (DAM™) extending battery life for portable display backlighting • Ultra Fast PWM™ control (200Hz to 500kHz) keypad backlighting, and camera flash in mobile devices.
• Input voltage range: 3.
0V to 5.
5V The MIC2843A provides the highest possible efficiency as • Dropout of 40mV at 20mA this architecture has no switching losses present in traditional charge pumps or inductive boost circuits.
The • ...
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