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L99LD21

STMicroelectronics
Part Number L99LD21
Manufacturer STMicroelectronics
Description High power LED driver
Published Oct 25, 2018
Detailed Description L99LD21 High power LED driver for automotive applications 4)1/[ *$'*36 Features  AEC-Q100 qualified...
Datasheet PDF File L99LD21 PDF File

L99LD21
L99LD21

Overview
L99LD21 High power LED driver for automotive applications 4)1/[ *$'*36 Features  AEC-Q100 qualified  General – ST SPI communication v4.
1 – 5.
5 to 24 V Operating battery voltage range – Load dump protected – QFN40L 6x6 (wettable flanks) with exposed pad – Timeout watchdog and limp home function – Low standby current  Boost Section – Fixed frequency architecture, programmable by SPI – Peak current mode control – Dual phase operation supported – Input current limitation – Soft start – Overvoltage protection (OVP) – Short feedback failure protection – Constant voltage control  Buck section – Integrated switching mosfets – Lossless current sensing without need of external ...


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