參數(shù)資料
型號(hào): MC34262
廠商: ON SEMICONDUCTOR
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Power Factor Controllers(功率因數(shù)控制器)
中文描述: 功率因數(shù)控制器(功率因數(shù)控制器)
文件頁(yè)數(shù): 13/19頁(yè)
文件大?。?/td> 394K
代理商: MC34262
MC34262, MC33262
http://onsemi.com
13
2
0.68
C
1
1.5V
Error Amp
Overvoltage
Comparator
+1.08 V
ref
+
Quickstart
10 A
10pF
20k
+
+1.6V/
1.4V
Timer R
330
C
3
100
C
4
13V/
8.0V
MTW
20N50E
Q
1
1.3M
R
5
Figure 22. 450 W Universal Input Power Factor Controller
+
+
+
RFI
Filter
C
5
D
4
D
3
D
2
D
1
0.01
C
2
6.7V
Zero Current
Detector
V
O
T
UVLO
Current Sense
Comparator
RS
Latch
1.2V
36V
2.5V
Reference
16V
10
Drive
Output10
Multiplier
Delay
90 to
268 Vac
2
12k
R
3
22k
R
4
100k
R
6
1N4934
D
6
10k
R
1
1.6M
R
2
0.05
R
7
4
7
8
5
3
1
MUR460
D
5
400V/
1.125A
6
0.001
330
V
ref
Power Factor Controller Test Data
AC Line Input
DC Output
Current Harmonic Distortion (% I
fund
)
V
rms
P
in
PF
I
fund
THD
2
3
5
7
V
O(pp)
V
O
I
O
P
O
(%)
90
489.5
0.990
5.53
2.2
0.10
1.5
0.25
0.83
8.8
395.5
1.14
450.9
92.1
120
475.1
0.998
3.94
2.5
0.12
0.29
0.62
0.52
8.8
395.5
1.14
450.9
94.9
138
470.6
0.998
3.38
2.1
0.06
0.70
1.1
0.41
8.8
395.5
1.14
450.9
95.8
180
463.4
0.998
2.57
4.1
0.21
2.0
1.6
0.71
8.9
395.5
1.14
450.9
97.3
240
460.1
0.996
1.91
4.8
0.14
4.3
2.2
0.63
8.9
395.5
1.14
450.9
98.0
268
459.1
0.995
1.72
5.8
0.10
5.0
2.5
0.61
8.9
395.5
1.14
450.9
98.2
= Coilcraft P3657A
Primary: 38 turns Litz wire, 1300 strands of #48 AWG, KerriganLewis, Chicago, IL
Secondary: 3 turns of # 20 AWG
Core: Coilcraft PT4220, EE 4220
Gap: 0.180
total for a primary inductance (L
P
) of 190 H
= AAVID Engineering Inc. 604953B04000 Extrusion
T
Heatsink
This data was taken with the test setup shown in Figure 24.
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