MC33261 데이터 시트보기 (PDF) - Motorola => Freescale
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MC33261 Datasheet PDF : 12 Pages
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MC34261 MC33261
Figure 15. 80 W Power Factor Controller
92 to RFI
138 Vac Filter
1 C6
D2 D4
D1 D3
Delay
Zero Current
Detector
2.5V
Reference
+
1.2V
+ 36V
100k
R8 1N4934
8
D6
+ 100
C5
+ 1.6V
6.7V
5
22k
R5
T
UVLO
+ 10V
Timer R
RS
Latch
16V
10
Drive
7
10
Output
10
R6
MUR130
D5
VO
+ 230V/0.35A
MTP
8N50E
100
C4
Q1
2.2M
R7
Current Sense
Comparator
0.01 7.5k 3
C2
R3
6
Multiplier
1.0M
4
330 R4
R2
+ Error Amp
0.5mA
Vref
1.0nF
C3
0.1
R9
1
11k
2
R1
0.68
C1
Power Factor Controller Test Data
AC Line Input
Current Harmonic Distortion (%)
Vrms Pin
PF THD
2
3
5
90
85.6 –0.998 2.4
0.11 0.52
1.3
100 85.1 –0.997 5.0 0.13 1.7
2.4
110 84.8 –0.997 5.3 0.12 2.5
2.6
120 84.5 –0.997 5.8 0.12 3.2
2.7
130 84.2 –0.996 6.6 0.12 4.0
2.8
138 84.1 –0.995 7.2 0.13 4.5
3.0
This data was taken with the test set–up shown in Figure 17.
T = Coilcraft N2881–A
Primary: 62 turns of # 22 AWG
Secondary: 5 turns of # 22 AWG
Core: Coilcraft PT2510, EE 25
Gap: 0.072″ total for a primary inductance of 320 µH
Heatsink = AAVID Engineering Inc. 5903B, or 5930B
7
VO(pp)
0.67 10.0
1.4
10.1
1.5
10.2
1.4
10.2
1.5
10.2
1.6
10.2
DC Output
VO
IO
PO
230 0.350 80.5
230 0.350 80.5
230 0.350 80.5
230 0.350 80.5
230 0.350 80.5
230 0.350 80.5
n(%)
94.0
94.6
94.9
95.3
95.6
95.7
8
MOTOROLA ANALOG IC DEVICE DATA
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