CAT4104 Datasheet, PDF (4/13 Pages) ON Semiconductor – 700 mA Quad Channel Constant Current LED Driver

CAT4104
TYPICAL PERFORMANCE CHARACTERISTICS
(VIN = 5 V, VCC = 5 V, LED forward voltage = 3.5 V, C_IN = 1 mF, T_AMB = 25°C unless otherwise specified.)
1.2
8
No Load
1.0
6
0.8
4
0.6
2
0.4
3.0
3.5
4.0
4.5
5.0
5.5
INPUT VOLTAGE (V)
Figure 3. Quiescent Current vs. Input Voltage
(RSET Open)
7.0
Full Load
6.5
6.0
5.5
5.0
3.0
3.5
4.0
4.5
5.0
5.5
INPUT VOLTAGE (V)
Figure 5. Quiescent Current vs. Input Voltage
(Full Load)
200
0
0
0.5
1.0
1.5
2.0
RSET CURRENT (mA)
Figure 4. Quiescent Current vs. RSET Current
200
160
120
80
40
0
0
0.2
0.4
0.6
0.8
1.0
LED PIN VOLTAGE (V)
Figure 6. LED Dropout vs. LED Pin Voltage
200
160
160
120
120
80
80
40
0
3.0
3.5
4.0
4.5
5.0
VIN (V)
Figure 7. LED Line Regulation
40
0
5.5
−40
0
40
80
120
TEMPERATURE (°C)
Figure 8. LED Current Change vs.
Temperature
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