STEVAL-ILL021V1 STMicroelectronics, STEVAL-ILL021V1 Datasheet - Page 17
STEVAL-ILL021V1
Manufacturer Part Number
STEVAL-ILL021V1
Description
BOARD EVAL LCD BACKLIGHT LED7707
Manufacturer
STMicroelectronics
Specifications of STEVAL-ILL021V1
Design Resources
STEVAL-ILL021V1 Bill of Material STEVAL-ILL021V1 Schematic
Current - Output / Channel
85mA
Outputs And Type
6, Non-Isolated
Voltage - Output
36 V
Features
Dimmable, Extra 5V Output
Voltage - Input
4.5 ~ 36 V
Utilized Ic / Part
LED7707
Description/function
LCD backlight demonstration board
Operating Voltage
4.5 V to 36 V
Product
Display Modules
Core Chip
LED7707
No. Of Outputs
1
Output Voltage
36V
Dimming Control Type
PWM
Mcu Supported Families
LED7707
Lead Free Status / RoHS Status
Lead free by exemption / RoHS compliant by exemption
For Use With/related Products
LED7707
Other names
497-10044
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
STEVAL-ILL021V1
Manufacturer:
STMicroelectronics
Quantity:
1
LED7707
Figure 12. Effect of slope compensation on small inductor current perturbation (D > 0.5)
Equation 6
Inductor current (CCM)
Inductor current (CCM)
0.35
0.35
·T
·T
ΔI
ΔI
SW
SW
L
L
T
T
Inductor current
Inductor current
perturbation
perturbation
SW
SW
R
slope compensation (S
slope compensation (S
SLOPE
Programmed inductor peak current with
Programmed inductor peak current with
≤
2
I
I
⋅
BOOST, PEAK
BOOST, PEAK
K
S
⋅
L
V (
⋅
V (
OUT
E
E
)
)
OUT
−
−
V
IN
V
IN
)
−
V
BE
)
Operation description
t
t
AM00589v1
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