cat4004 Catalyst Semiconductor, cat4004 Datasheet - Page 4

• Manufacturer Part Number: cat4004
• Description: 4-channel Constant Current Led Driver With Ezdim?
• Manufacturer: Catalyst Semiconductor

CAT4004
TYPICAL PERFORMANCE CHARACTERISTICS
V
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
IN
= 4V, V
F
LED Current Change vs. Input Voltage
= 3.3V, I
-0.2
-0.4
-0.6
-0.8
-1.0
1.4
1.2
1.0
0.8
0.6
Quiescent Current vs. Input Voltage
1.0
0.8
0.6
0.4
0.2
0.0
40
30
20
10
0
2.5
LED Current vs. RSET Resistor
3.0
0
OUT
3.0
3.5
INPUT VOLTAGE [V]
INPUT VOLTAGE [V]
= 80mA (4 LEDs at 20mA), C
5
3.5
RSET [kΩ]
4.0
4.0
10
4.5
4.5
15
5.0
5.0
5.5
20
5.5
IN
= 1μF, T
4
AMB
= 25°C unless otherwise specified.
LED Current Change vs. Temperature
1.4
1.2
1.0
0.8
0.6
-10
10
Quiescent Current vs. Temperature
-2
-4
-6
-8
8
6
4
2
0
-40
-40
TEMPERATURE [°C]
TEMPERATURE [°C]
0
0
40
40
80
80
Doc. No. MD-5024 Rev. B
120
120