STEVAL-ILL021V1 STMicroelectronics, STEVAL-ILL021V1 Datasheet - Page 27

• 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 18. Poor phase margin (a) and properly damped (b) load transient responses
Figure 19. Load transient response measurement set-up
V
IN
= 12V
+5V
C
IN
a)
VCC
BILIM
RILIM
SS
COMP
SGND
6.8μH
LED7707
ROW1
ROW2
ROW3
ROW4
ROW5
ROW6
Up to 10 WLEDs per row
2 x 4.7μF
MLCC
V
BOOST
b)
Application information
R
L
500Hz
=
AM00592v1
100mA
V
BST
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