cat4101 ON Semiconductor, cat4101 Datasheet - Page 4

• Manufacturer Part Number: cat4101
• Description: 1 A Constant-current Led Driver With Pwm Dimming
• Manufacturer: ON Semiconductor

CAT4101
TYPICAL PERFORMANCE CHARACTERISTICS
V
Doc. No. MD-5036, Rev. D
IN
= 5 V, V
Quiescent Current vs. VIN Voltage (I
Quiescent Current vs. VIN Voltage (Full Load)
CC
1.2
1.0
0.8
0.6
0.4
8.5
8.0
7.5
7.0
6.5
LED Current Change vs. VIN Voltage
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
= 5 V, V
3.0
3.0
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
F
3.5
3.5
= 3.5 V, I
INPUT VOLTAGE [V]
INPUT VOLTAGE [V]
INPUT VOLTAGE [V]
Full Load
No Load
4.0
4.0
LED
4.5
4.5
= 1 A (1 LED), C
5.0
5.0
LED
= 0 mA)
5.5
5.5
IN
= 1 μF, T
4
AMB
= 25°C unless otherwise specified.
LED Current Change vs. Temperature
8.0
6.0
4.0
2.0
0.0
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
Quiescent Current vs. LED Current
LED Current vs. LED Pin Voltage
0.0
-40
0
200
0.3
LED PIN VOLTAGE [V]
LED CURRENT [mA]
TEMPERATURE [ºC]
0
Characteristics subject to change without notice
400
0.6
40
600
© 2009 SCILLC. All rights reserved.
0.9
80
800
1.2
1000
120
1.5