isl97636 Intersil Corporation, isl97636 Datasheet - Page 7

• Manufacturer Part Number: isl97636
• Description: 8-channel Led Driver
• Manufacturer: Intersil Corporation

Typical Performance Curves
FIGURE 10. I
FIGURE 12. I
180
160
140
120
100
80
60
40
20
0
0
8 CHANNELS
9 LEDS PER CHANNEL
FIGURE 8. PWM DIMMING LINEARITY
10
V
V
L
LED
IN
IN
AT 50% PWM DIMMING (54LEDs, 20mA,
= 12V, L = 8.2µH)
= 12V)
20
AT 50% PWM DIMMING (54 LEDs, 20mA,
30
PWM DUTY CYCLE (%)
V
IN
40
= 18V
7
V
50
IN
= 12V
60
V
IN
70
(Continued)
= 6V
80
90
100
ISL97636
FIGURE 13. LX AT 50% PWM DIMMING (54 LEDs, 20mA,
FIGURE 11. I
FIGURE 9. LX, VIIN, IL AND I
20mA, V
20mA, V
V
L
IN
ZOOM IN AT PWM DIMMING ZOOM IN (54 LEDs,
= 12V)
IN
IN
= 12V)
= 12V, L = 8.2µH)
O
AT PWM DIMMING (54 LEDS,
May 9, 2008
FN6570.0