cat4008 Catalyst Semiconductor, cat4008 Datasheet - Page 6

• Manufacturer Part Number: cat4008
• Description: 8-channel Constant Current Led Driver
• Manufacturer: Catalyst Semiconductor

CAT4008
TYPICAL PERFORMANCE CHARACTERISTICS
V
Doc. No. MD-5034 Rev. A
DD
= 5.0V, LED current 30mA, all LEDs On, T
RSET Voltage vs. VDD Pin Voltage
LED Current vs. LED Pin Voltage
LED Current vs. VDD Pin Voltage
31.5
31.0
30.5
30.0
29.5
29.0
28.5
1.30
1.25
1.20
1.15
1.10
70
60
50
40
30
20
10
0
0.0
3.0
3.0
0.3
3.5
3.5
LED PIN [V]
0.6
4.0
VDD [V]
4.0
VDD [V]
0.9
4.5
4.5
5.0
1.2
5.0
AMB
5.5
1.5
5.5
= 25°C unless otherwise specified.
6
4.0
3.5
3.0
2.5
2.0
1.5
1.0
8
7
6
5
4
3
2
1
0
100
Supply Current vs. VDD Pin Voltage
80
60
40
20
0.0
Supply Current vs. RSET Current
0
3.0
LED Current vs. RSET Resistor
0.1
All LED's ON
All LED's ON
RSET CURRENT [mA]
3.5
0.5
1.0
RSET [kΩ]
4.0
VDD [V]
1.0
Characteristics subject to change without notice
All LED's OFF
All LED's OFF
4.5
10.0
1.5
© Catalyst Semiconductor, Inc.
5.0
100.0
5.5
2.0