參數(shù)資料
型號(hào): AN-15
英文描述: TOPSwitch Power Supply Design Techniques for EMI & Safety
中文描述: 的TOPSwitch電源電磁干擾設(shè)計(jì)技術(shù)
文件頁(yè)數(shù): 22/36頁(yè)
文件大小: 381K
代理商: AN-15
AN-15
A
6/96
22
3-Wire AC Input
A typical EMI filter for 3 wire AC input applications is shown
in Figure 40. X-capacitor C6 and the differential mode
inductance of common mode choke L2 attenuate differential
mode emission currents. C7 (Y1-safety capacitor), the common
mode inductance of common mode choke L2, and small, lossy
ferrite toroid L3 attenuate common mode emission currents
(21)
.
L3 also damps power cord resonances as previously described.
Figure 40. Typical 3-Wire TOPSwitch Power Supply and EMI Filter.
PI-1651-111695
7.5 V
RTN
C5
47
μ
F
L3
D2
UG8BT
D3
1N4148
R2
68
VR2
1N5995B
6.2 V
C3
120
μ
F
25 V
T1
D1
UF4005
C2
680
μ
F
25 V
VR1
P6KE200
BR1
400 V
C1
33
μ
F
400 V
R1
39
U2
NEC2501-H
U1
TOP202YAI
DRAIN
SOURCE
CONTROL
C4
0.1
μ
F
C7
1.0 nF
Y2
L1
3.3
μ
H
F1
3.15 A
J1
C8
0.1 nF
C6
0.1
μ
F
X2
L2
22 mH
L
N
1
V-
V+
8
2
7
3
4
相關(guān)PDF資料
PDF描述
AN-16 TOPSwitch Flyback Design Methodology
AN-17 Flyback Transformer Design for TOPSwitch Power Supplies
AN-18 TOPSwitch Flyback Transformer Construction Guide
AN-19 TOPSwitch Flyback Power Supply Efficiency
AN-20 Transient Suppression Techniques for TOPSwitch Power Supplies
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