FAN7346 Datasheet, PDF (9/19 Pages) Fairchild Semiconductor – 4-Channel LED Current Balance Controller

Typical Performance Characteristics (Continued)
1.06
1.04
1.02
1
0.98
0.96
0.94
-50
-25
0
25
50
75
Temperature [Ô¨]
100 125
Figure 15. Feedback Reference Voltage
vs. Temperature
240
220
200
180
160
140
120
-50 -25
0
25
50
75 100 125
Temperature [Ô¨]
Figure 16. Error Amplifier Transconductance
vs. Temperature
180
160
140
120
100
80
60
-50
-25
0
25
50
75
Temperature [Ô¨]
100 125
Figure 17. Error Amplifier Output Sink Current vs.
Temperature
180
160
140
120
100
80
60
-50
-25
0
25
50
75
Temperature [Ô¨]
100 125
Figure 18. Error Amplifier Output Source current vs.
Temperature
2.1
1.9
1.7
1.5
1.3
1.1
0.9
0.7
-50 -25
0
25
50
75
100 125
Temperature, [Ô¨]
Figure 19. PWM Dimming On Threshold Voltage
vs. Temperature
1.5
1.48
1.46
1.44
1.42
1.4
1.38
1.36
1.34
-50 -25
0
25
50
75 100 125
Temperature, [Ô¨]
Figure 20. OVR Threshold Voltage vs. Temperature
© 2011 Fairchild Semiconductor Corporation
FAN7346 • 1.0.0
9
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