LED7707TR STMicroelectronics, LED7707TR Datasheet - Page 42

• 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

Electrical characteristics
7
42/47
Figure 25. Efficiency versus DIM duty cycle,
Figure 27. Efficiency versus DIM duty cycle,
Electrical characteristics
V
(60 mA) in series, F
V
(60 mA) in series, F
IN
IN
= 12 V, 6 rows, 10 white LEDs
= 24 V, 6 rows, 10 white LEDs
SW
SW
= 660 kHz
= 825 kHz
Figure 26. Efficiency versus DIM duty cycle,
Figure 28. Efficiency versus DIM duty cycle,
V
(60 mA) in series, F
V
(60 mA) in series, F
IN
IN
= 18 V, 6 rows, 10 white LEDs
= 24 V, 6 rows, 10 white LEDs
SW
SW
= 660 kHz
= 825 kHz
LED7707