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NCL30002 Datasheet(PDF) 9 Page - ON Semiconductor

Part # NCL30002
Description  Power Factor Corrected Buck LED Driver
PDF  17 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCL30002 Datasheet(HTML) 9 Page - ON Semiconductor

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NCL30002
http://onsemi.com
9
TYPICAL CHARACTERISTICS
Figure 8. Error Amplifier Sink Current vs.
Junction Temperature
TJ, JUNCTION TEMPERATURE (°C)
125
100
75
50
25
0
−25
−50
6
8
10
12
14
16
VMFP = VREF + 0.11 V
TJ, JUNCTION TEMPERATURE (°C)
f, FREQUENCY (kHz)
125
100
75
50
25
0
−25
−50
85
90
95
105
110
120
125
100
10
1
0.1
0.01
200
0
20
60
100
140
160
TJ, JUNCTION TEMPERATURE (°C)
TJ, JUNCTION TEMPERATURE (°C)
125
100
75
25
0
−25
−50
0.3
0.4
0.5
0.7
0.8
1.0
125
100
75
50
25
0
−25
−50
240
245
255
265
275
1000
50
Figure 9. Error Amplifier Source Current vs.
Junction Temperature
180
185
190
195
200
205
215
220
−50
−25
0
25
50
75
100
125
TJ, JUNCTION TEMPERATURE (°C)
Figure 10. Error Amplifier Transconductance
vs. Junction Temperature
Figure 11. Error Amplifier Transconductance
and Phase vs. Frequency
Figure 12. Minimum Control Voltage to Generate
Drive Pulses vs. Junction Temperature
Figure 13. On Time Capacitor Charge Current
vs. Junction Temperature
VMFP = 0.5 V
210
100
115
40
80
120
180
Phase
Transconductance
RControl = 100 kW
CControl = 2 pF
VMFP = 2.5 Vdc, 1 Vac
VCC = 12 V
TA = 25°C
200
0
20
60
100
140
160
40
80
120
180
0.6
0.9
250
260
270
18
20
280
290
285



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