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參數資料
| 型號： | TOP250R |
| 英文描述： | Up to 290 W Extended power. design flexible. |
| 中文描述： | 高達290瓦的擴展能力。設計靈活。 |
| 文件頁數： | 32/52頁 |
| 文件大小： | 468K |
| 代理商： | TOP250R |
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TOP242-250
32
K
9/03
General Information & Table of Contents
D
Product Selector Guide 1
areas( ) for optimum
heat sinking
Application Notes 3
Design Ideas 4
Power Integrations Web site:
www.powerint.com
Package Information 7
DPA-SwitchDC-DC Seminar 8
difference between the measured R
of the device
under test and the worst case maximum specification.
TOPSwitch-GXAC-DC Seminar 10
Sales Representatives and Distributors 11
Verify that the leading edge current spike is below the
allowed current limit envelope (see Figure 52) for the drain
current waveform at the end of the 220 ns blanking period.
3.Thermal check – At maximum output power, minimum
input voltage and maximum ambient temperature, verify
that temperature specifications are not exceeded for
TOPSwitch-GX
, transformer, output diodes and output
capacitors. Enough thermal margin should be allowed for
the part-to-part variation of the R
of
TOPSwitch-GX
as specified in the data sheet. The margin required can
either be calculated from the tolerances or it can be
accounted for by connecting an external resistance in
series with the DRAIN pin and attached to the same
heatsink, having a resistance value that is equal to the
Figure 49. Layout Considerations for TOPSwitch-GX using R Package.
-
HV
Out
T
r
a
n
s
f
o
r
m
e
Safety Spacing
CaY1-
Solder Side
Component Side
Opto-
coupler
+
Output Filter Capacitors
Maximize hatched copper
TOP VIEW
Input Filter
Capacitor
R1a - 1c
PRI
PRI
SEC
TOPSwitch-GX
S
L
C
X
Design Tools
For a discussion on utilizing
TOPSwitch-GX
in a forward
converter configuration, please refer to the
TOPSwitch-GX
Forward Design Methodology Application Note.
Up-to-date information on design tools can be found at the
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TOP250R- | 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher |
| TOP250RN- | 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher |
| TOP250RN-TL | 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher |
| TOP250R-TL | 功能描述:交流/直流開關轉換器 55 W 85-265 VAC 82 W 230 VAC RoHS:否 制造商:STMicroelectronics 輸出電壓:800 V 輸入/電源電壓（最大值）:23.5 V 輸入/電源電壓（最小值）:11.5 V 開關頻率:115 kHz 電源電流:1.6 mA 工作溫度范圍:- 40 C to + 150 C 安裝風格:SMD/SMT 封裝 / 箱體:SSO-10 封裝:Reel |
| TOP250Y | 功能描述:交流/直流開關轉換器 210 W 85-265 VAC 290 W 230 VACX RoHS:否 制造商:STMicroelectronics 輸出電壓:800 V 輸入/電源電壓（最大值）:23.5 V 輸入/電源電壓（最小值）:11.5 V 開關頻率:115 kHz 電源電流:1.6 mA 工作溫度范圍:- 40 C to + 150 C 安裝風格:SMD/SMT 封裝 / 箱體:SSO-10 封裝:Reel |
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