STEVAL-ILL021V1 STMicroelectronics, STEVAL-ILL021V1 Datasheet - Page 17

• 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

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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