XC9116B02ADL TOREX [Torex Semiconductor], XC9116B02ADL Datasheet - Page 19

• Manufacturer Part Number: XC9116B02ADL
• Description: Step-Up DC/DC Converter-Backlight LED Driver
• Manufacturer: TOREX [Torex Semiconductor]

■ TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
Note : Average LED Current denotes the average current which flows into LED when an PWM signal is input to the CE pin.
(16) Average LED Current vs. Dimming PWM Duty
20
16
12
20
16
12
20
16
12
CE CLK=100Hz,4 LEDs in series
CE CLK=10kHz,4 LEDs in series
8
4
0
8
4
0
8
4
0
CE CLK=1kHz,3 LEDs in series
0
0
0
20
20
20
Dimming PWM DUTY (%)
Dimming PWM Duty (%)
Dimming PWM Duty (%)
L=22uH(VLF3010),CL=0.22uF(Ceramic)
L=22uH(VLF3010),CL=0.22uF(Ceramic)
L=22uH(VLF3010),CL=0.22uF(Ceramic)
VIN=2.5V
VIN=2.5V
VIN=2.5V
2.7V
3.2V
4.2V
5.0V
2.7V
3.2V
4.2V
5.0V
2.7V
3.2V
4.2V
5.0V
40
40
40
R1=10ohm,SBD:XB0ASB03A1B
R1=10ohm,SBD:XB0ASB03A1B
R1=10ohm,SBD:XB0ASB03A1B
60
60
60
Ta=25
Ta=25
Ta=25
80
80
80
o
o
C
C
o
C
100
100
100
20
16
12
CE CLK=1kHz,4 LEDs in series
8
4
0
20
16
12
20
16
12
CE CLK=100Hz,3 LEDs in series
CE CLK=10kHz,3 LEDs in series
8
4
0
8
4
0
0
0
0
Dimming PWM DUTY (%)
20
20
20
L=22uH(VLF3010),CL=0.22uF(Ceramic)
Dimming PWM Duty (%)
Dimming PWM Duty (%)
L=22uH(VLF3010),CL=0.22uF(Ceramic)
VIN=2.5V
L=22uH(VLF3010),CL=0.22uF(Ceramic)
VIN=2.5V
VIN=2.5V
2.7V
3.2V
4.2V
5.0V
2.7V
3.2V
4.2V
5.0V
2.7V
3.2V
4.2V
5.0V
R1=10ohm,SBD:XB0ASB03A1B
40
40
40
R1=10ohm,SBD:XB0ASB03A1B
R1=10ohm,SBD:XB0ASB03A1B
60
60
60
Ta=25
Ta=25
80
80
80
o
C
o
C
100
100
100
XC9116
19/22
Series