參數(shù)資料
型號(hào)： 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(yè)數(shù)： 21/40頁(yè)
文件大?。?/td> 311K
代理商： AN-30
AN-30
21
B
12/02
Appendix A
Table of Nomenclature
Name in AN-30
Description
Difference between actual and effective duty ratio that results from leakage inductance in
the transformer.
Total system efficiency (lower case Greek letter eta).
Efficiency excluding losses in AC input circuit and EMI filter. Used in computation of input
capacitance required for holdup time.
η
DC
≥
η
.
Permeability of free space (4
π
x 10
-7
H/m).
Relative permeability of ferrite core material (lower case Greek letter mu). Dimensionless.
Effective cross-sectional area of transformer core.
Inductance coefficient of ungapped transformer core.
Maximum AC flux density in transformer core.
Maximum flux density in the power transformer.
Total bulk capacitance at the DC input to the converter.
Capacitor in circuit for external reduction of DC
MAX
.
Diode in primary clamp circuit.
Duty ratio of TOPSwitch-GXat a given operating point.
Duty ratio at the highest operational DC input voltage V
MAX
.
Maximum duty ratio to guarantee reset of the transformer at DC input voltage V
MAX
.
Maximum duty ratio at current I
L
.
The DC
MAX
at current I
L1
into the L pin of TOPSwitch-GX
The DC
MAX
at current I
L2
into the L pin of TOPSwitch-GX
Duty ratio at lowest steady state DC input voltage V
MIN
.
Maximum duty ratio to guarantee reset of the transformer at DC input voltage V
MIN
.
The duty ratio of the magnetic amplifier.
The maximum duty of TOPSwitch-GXat the lowest operational DC input voltage V
DROPOUT
.
Actual duty ratio of TOPSwitch-GXat the lowest operational DC input voltage V
DROPOUT
.
Maximum duty ratio to guarantee reset of the transformer at DC input voltage V
DROPOUT
.
This is less than maximum duty cycle DC
MAX
.
Duty ratio at nominal input voltage.
Maximum duty ratio to guarantee reset of the transformer at a given operating point.
Highest maximum duty cycle as set by current into the L pin of TOPSwitch-GXwith external
components. Occurs at DC input voltage V
DROPOUT
.
The lowest maximum duty cycle as set by current into the L pin of TOPSwitch-GXwith
external components at DC input voltage V
MAX
.
The maximum duty ratio that corresponds to I
OV
.
Maximum default duty cycle of TOPSwitch-GX(see Data Sheet).
AC line frequency.
TOPSwitch-GXswitching frequency.
Instantaneous current in secondary winding j of the transformer.
Output current of the auxiliary output
Current rating for the bridge rectifier.
Current into the L pin of TOPSwitch-GX
δ
D
η
η
DC
μ
0
μ
r
A
e
A
L
B
M
B
PEAK
C
IN
C
VS
D1
D
D
HL_ACTUAL
D
HL_RESET
D
IL
D
IL1
D
IL2
D
LL_ACTUAL
D
LL_RESET
D
MA
D
MAX
D
MAX_ACTUAL
D
MAX_RESET
D
NOM
D
RESET
D
XDO
D
XHL
D
XOV
DC
MAX
f
L
f
S
i
j
I
AUX
I
DAVBR
I
L
相關(guān)PDF資料
PDF描述
AN-31 DPA-Switch Forward Converter Design Guide
AN-32 TOPSwitch-GX Flyback Design Methodology
AN-37 LinkSwitch-TN Design Guide
AN-995A Electronic Ballasts Using the Cost-Saving IR215X Drivers(153.99 k)
AN0416NA TRANSISTOR | MOSFET | ARRAY | N-CHANNEL | 160V V(BR)DSS | 30MA I(D) | DIP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AN300 功能描述:環(huán)境檢測(cè)設(shè)備 Large Vane CFM/CMM Thermo-Anemometer RoHS:否 制造商:Fluke 設(shè)備類(lèi)型:Vibration Meter 測(cè)量?jī)x器:Vibration
AN3000-521P 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:AN0625-521P
AN3001 制造商:MA-COM 制造商全稱(chēng):M/A-COM Technology Solutions, Inc. 功能描述:PIN diode Vector Modulators - Fundamentals and Drive Requirements
AN-3001 制造商:FAIRCHILD 制造商全稱(chēng):Fairchild Semiconductor 功能描述:Application Note AN-3001 Optocoupler Input Drive Circuits
AN-3002 制造商:FAIRCHILD 制造商全稱(chēng):Fairchild Semiconductor 功能描述:Low Current Input Circuit Ideas
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫(xiě)一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*