LED7707TR STMicroelectronics, LED7707TR Datasheet - Page 27

• Manufacturer Part Number: LED7707TR
• Description: IC LED DRIVR WHT BCKLT 24-VFQFPN
• Manufacturer: STMicroelectronics
• Type: Backlight, White LEDr

Specifications of LED7707TR

• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 6
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 250kHz ~ 1MHz
• Voltage - Supply: 4.5 V ~ 36 V
• Voltage - Output: 36V
• Mounting Type: Surface Mount
• Package / Case: 24-VFQFN, 24-VFQFPN
• Operating Temperature: 0°C ~ 85°C
• Current - Output / Channel: 85mA
• Internal Switch(s): Yes
• High Level Output Current: 85 mA
• Operating Supply Voltage: 4.5 V to 36 V
• Maximum Supply Current: 1 mA
• Maximum Power Dissipation: 2.3 W
• Maximum Operating Temperature: + 150 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• For Use With: 497-10044 - BOARD EVAL LCD BACKLIGHT LED7707
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Efficiency: -
• Lead Free Status / Rohs Status: Details
• Other names: 497-8492-2

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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