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LED7707 Fiches technique(PDF) 18 Page - STMicroelectronics

No de pièce LED7707
Description  6-rows 85 mA LEDs driver with boost regulator for LCD panels backlight
PDF  48 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LED7707 Fiches technique(HTML) 18 Page - STMicroelectronics

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Operation description
LED7707
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Equation 6
Figure 12.
Effect of slope compensation on small inductor current perturbation (D > 0.5)
)
V
V
(
)
V
V
V
(
L
K
2
R
IN
OUT
BE
IN
OUT
S
SLOPE
−
−
−
⋅
⋅
⋅
≤
AM00589v1
TSW
Programmed inductor peak current with
slope compensation (SE)
Inductor current (CCM)
t
IBOOST, PEAK
0.35
·TSW
ΔI
L
Inductor current
perturbation
TSW
Programmed inductor peak current with
slope compensation (SE)
Inductor current (CCM)
t
IBOOST, PEAK
0.35
·TSW
ΔI
L
Inductor current
perturbation



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