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LED2001PHR Datasheet(PDF) 34 Page - STMicroelectronics

No. de pieza LED2001PHR
Descripción Electrónicos  4 A monolithic step-down current source with synchronous rectification
PDF  42 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LED2001PHR Datasheet(HTML) 34 Page - STMicroelectronics

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Typical characteristics
LED2001
34/42
DocID024346 Rev 1
8
Typical characteristics
Figure 24. Soft-start
Figure 25. Load regulation
Figure 26. Dimming operation
Figure 27. LED current rising edge
a
Figure 28. LED current falling edge
Figure 29. Hiccup current protection
AM12913v1
Vin 12V
Vled 7V
AM12914v1
AM12915v1
AM12916v1
To maximize the dimming
performan ce the embedded LS
discharges C OUT when D IM goes low.
(D IM = 0 & & V FB > 60mV ):
the low side is enabled
as long as I L > -1A
(implements negative
current limitation)
AM12917v1
AM12918v1



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