参数资料
型号: MC33262DG
厂商: ON Semiconductor
文件页数: 13/19页
文件大小: 394K
描述: IC PFC CONTROLLER CRM 8SOIC
标准包装: 98
模式: 临界传导(CRM)
电流 - 启动: 250µA
电源电压: 12 V ~ 28 V
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOICN
包装: 管件
MC34262, MC33262
http://onsemi.com
13
2
0.68
C
1
1.5V
Error Amp
Overvoltage
Comparator
+
1.08 V
ref
+
Quickstart
10mA
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
Output
10
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
h(%)
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: 0.1803 total for a primary inductance (L
P
) of 190 mH
= AAVID Engineering Inc. 604953B04000 Extrusion
T
Heatsink
This data was taken with the test setup shown in Figure 25.
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