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AN2810 Datasheet(PDF) 4 Page - STMicroelectronics

Part # AN2810
Description  6-row 85 mA LED driver with boost
PDF  17 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2810 Datasheet(HTML) 4 Page - STMicroelectronics

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LED7707 main features
AN2810
4/17
Doc ID 14893 Rev 1
1
LED7707 main features
1.1
Boost section
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4.5 V to 36 V input voltage range
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Internal power MOSFET
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Internal +5 V LDO for device supply
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Up to 36 V output voltage
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Constant frequency peak current-mode control
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250 kHz to 1 MHz adjustable switching frequency
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External sync for multi-device application
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Pulse-skip power saving mode at light load
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Programmable soft-start
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Programmable OVP (overvoltage protection)
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Single ceramic output capacitor
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Non-latched thermal shutdown
1.2
Backlight driver section
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Six rows with 85 mA maximum current capability (adjustable)
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Up to 10 WLEDs per row
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Parallelable rows for higher current
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Row disable option
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Less than 10 µs minimum dimming time
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±2% current matching between rows
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LED failure (open and short-circuit) detection



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