CAT4008 Datasheet, PDF (7/14 Pages) Catalyst Semiconductor – 8-Channel Constant Current LED Driver

CAT4008
TYPICAL PERFORMANCE CHARACTERISTICS
V_DD = 5.0V, LED current 30mA, all LEDs On, T_AMB = 25°C unless otherwise specified.
RSET Voltage vs. Temperature
1.30
1.25
1.20
1.15
1.10
-50
0
50
100 150
TEMPERATURE [°C]
LED Current vs. Temperature
31.5
31.0
30.5
30.0
29.5
29.0
28.5
-50
0
50
100 150
TEMPERATURE [°C]
Internal Pull-Down Current (LATCH pin)
30
25
20
15
10
5
0
0
1
2
3
4
5
LATCH VOLTAGE [V]
PWM Dimming on BLANK pin (f = 10kHz)
100
80
60
40
20
0
0 5 10 15 20 25 30
LED CURRENT [mA]
Internal Pull-Up Current (BLANK pin)
30
25
20
15
10
5
0
0
1
2
3
4
5
BLANK VOLTAGE [V]
BLANK Transient Response
© Catalyst Semiconductor, Inc.
7
Characteristics subject to change without notice
Doc. No. MD-5034 Rev. A