cat4004 Catalyst Semiconductor, cat4004 Datasheet - Page 5

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

TYPICAL PERFORMANCE CHARACTERISTICS
V
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
IN
= 4V, V
F
100
0.7
0.6
0.5
0.4
0.3
0.2
40
30
20
10
= 3.3V, I
90
80
70
60
50
RSET Pin Voltage vs. Input Voltage
0
LED Current vs. LED Pin Voltage
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
5.0
Efficiency vs. Input Voltage
OUT
4.5
LED PIN VOLTAGE [V]
INPUT VOLTAGE [V]
INPUT VOLTAGE [V]
= 80mA (4 LEDs at 20mA), C
4.0
3.5
3.0
2.5
2.0
IN
= 1μF, T
5
AMB
= 25°C unless otherwise specified.
0.7
0.6
0.5
0.4
0.3
0.2
40
30
20
10
RSET Pin Voltage vs. Temperature
0
-40
0
Dropout Characteristics
50
LED PIN VOLTAGE [mV]
TEMPERATURE [°C]
0
100
150
40
200 250
80
Doc. No. MD-5024 Rev. B
CAT4004
300
120