LED7707 STMicroelectronics, LED7707 Datasheet - Page 17

• Manufacturer Part Number: LED7707
• Description: LED Drivers 6-ROW 85mA LED DRIV BOOST REG LCD PANEL
• Manufacturer: STMicroelectronics

Specifications of LED7707

• 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
• Package / Case: VFQFPN-24
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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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