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參數(shù)資料
| 型號： | AN-30 |
| 英文描述： | TOPSwitch-GX Forward Design Methodology |
| 中文描述： | 的TOPSwitch - GX系列正向設(shè)計(jì)方法 |
| 文件頁數(shù)： | 2/40頁 |
| 文件大?。?/td> | 311K |
| 代理商： | AN-30 |
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AN-30
2
B
12/02
This document does not address the design of magnetic
amplifiers nor linear regulators. It determines design parameters
for the transformer and the inductors, but does not give
construction details for those magnetic components. Such
details are deferred to other application notes and component
suppliers. References [1] through [6] are good sources of
information for the design of transformers and inductors.
Software for design of magnetic amplifiers is available from
[5]. Reference [1] is also an excellent resource for other
important topics in power electronics.
Design Methodology Overview
The methodology assumes the reader knows the theory of
operation of the forward converter and the fundamentals of
power supply design. It is a companion to the
PI Expert
software for forward converter design (available from the
Power Integrations Web site). Designers are advised to check
Power Integrations’ Web site at
www.powerint.com
for the
latest application information.
This presentation uses a typical combination of output options
for illustration of the methodology (see Figure 2). This document
+
–
+
–
PI-2818-121201
Optional
LC
Post Filter
DC Stacked
or
Conventional
MAG AMP
Control
MAG
AMP
Linear Post
Regulator
Optional
LC
Post Filter
N
P
N
B
Choose
Connection
Output
Return
Input Voltage from V
AUX
,
V
MAIN
, V
MAINMA
or V
IND
Any Output Voltage
Less Than Input
Voltage
N
AUX
N
IND
L
IND
I
LOAD
I
LOAD
L
MAINMA
L
MAIN
V
AUXREF
N
MAIN
I
AUX
V
AUX
I
MAIN
I
IND
I
MAINMA
V
MAINMA
V
IND
–
+
V
MAIN
+
–
Figure 2. General Output Options for the Forward Converter Described in the Methodology.
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