参数资料
型号: MC33261
厂商: Motorola, Inc.
元件分类: 基准电压源/电流源
英文描述: POWER FACTOR CONTROLLERS
中文描述: 功率因数控制器
文件页数: 10/12页
文件大小: 309K
代理商: MC33261
MC34261 MC33261
10
MOTOROLA ANALOG IC DEVICE DATA
Figure 17. Power Factor Test Set–Up
0.005
1.0
0.005
HARM
FREQ
11
LO
0.1
O
I
T
0 to 270 Vac
Output Power Factor
Controller Circuit
Earth
Line
Neutral
115 Vac
Input
RFI Filter
Autoformer
2X Step–Up
Isolation
Transformer
LO
HI
HI
V
A
Ainst
Acf
Vcf
Arms
Vrms
PF
VA
W
13
9
7
5
3
2
1
0
Voltech
AC POWER ANALYZER
PM 1000
An RFI filter is required for best performance when connecting the preconverter directly to the AC line. Commercially available two stage filters
such as the Delta Electronics 03DPCG5 work excellent. The simple single stage test filter shown above can easily be constructed with a common
mode transformer. Transformer (T) is a Coilcraft CMT3–28–2 with 28 mH minimum inductance and a 2.0 A maximum current rating.
+
0.5 mA
2
1
Figure 18. Soft–Start Circuit
+
tSoft–Start
9000C in
μ
F
1.0M
To VCC
C
To VO
Startup overshoot can be eliminated with the
addition of a Soft–Start circuit.
Figure 19. Error Amp Compensation
2
C1
Error Amp
+
10
μ
A
R1
1
6
R2
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MC34261 POWER FACTOR CONTROLLERS
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相关代理商/技术参数
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MC33262CDR2 功能描述:功率因数校正 IC ANA PFC W/OVERVOLT COMP RoHS:否 制造商:Fairchild Semiconductor 开关频率:300 KHz 最大功率耗散: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel
MC33262CDR2G 功能描述:功率因数校正 IC ANA PFC W/OVERVOLT COMP RoHS:否 制造商:Fairchild Semiconductor 开关频率:300 KHz 最大功率耗散: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel
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