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STCF07 Fiches technique(PDF) 14 Page - STMicroelectronics

No de pièce STCF07
Description  High power buck-boost white LED driver
PDF  26 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STCF07 Fiches technique(HTML) 14 Page - STMicroelectronics

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Detailed description
STCF07
14/26
Doc ID 16757 Rev 3
8.6.5
Undervoltage lockout function
If the device is ON and the battery voltage is as low as 2.2 V, the device goes into a FAULT
state and the FAULT pin is put to LOW. To restart the device, the ENABLE pin must be reset
LOW and HIGH.
Figure 5.
Typical LED temperature sensing application with the NTC resistor
V
REF = 1.2 V
NTC
R
NTC = 100 k
Vref = 1.8 V
R
X = 15 k
V
REF = 1.2 V
NTC
R
NTC = 100 k
Vref = 1.8 V
R
X = 15 k



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