參數(shù)資料
型號： TOP242F
英文描述： SMPS Controller
中文描述： 開關(guān)電源控制器
文件頁數(shù)： 28/52頁
文件大?。?/td> 457K
代理商： TOP242F
TOP242-250
28
H
9/02
General Information & Table of Contents
Hysteretic 130
°
C
Automatic recovery from thermal
min. Shutdown (with
fault
75
°
C hysteresis)
Large hysteresis prevents circuit
board overheating
±
7% (@25
°
C)
10% higher power capability due to
-8% (0
°
C to100
°
C) -4% (0
°
C to 100
°
C)
0.037" / 0.94 mm
0.137" / 3.48 mm
0.037" / 0.94 mm
0.137" / 3.48 mm
TO-220 0.046" / 1.17 mm
0.068" / 1.73 mm
DRAIN Creepage at
0.045" / 1.14 mm
0.113" / 2.87 mm
PCB for Y, R and F
(R and F
(preformed leads)
Packages
Package N/A*)
Product Selector Guide 1
tighter tolerance
Greater immunity to arcing as a
result of build-up of dust, debris and
other contaminants
Preformed leads accommodate
large creepage for PCB layout
Easier to meet Safety (UL/VDE)
Design Tools 5
Quality and Reliability 6
Other features increase the robustness of design allowing cost
savings in the transformer and other power components.
LinkSwitch & TinySwitch-IIAC-DC Seminar 9
Line Sensing/Externally Line sensing and
Line sensing and externally
Set Current Limit
externally set
set current limit possible
(Y, R and F Packages)
current limit
simultaneously
mutually
(functions split onto
exclusive (M pin)
L and X pins)
Current Limit
100-40%
100-30%
Programming
Range
TOPSwitch-GXAC-DC Seminar 10
Sales Representatives and Distributors 11
Minimizes transformer core size
in highly continuous designs
Table 4 (cont). Comparison Between TOPSwitch-II and TOPSwitch-GX.
*Not available
Function
TOPSwitch-FX
TOPSwitch-GX
TOPSwitch-GX
Advantages
Light Load Operation
Cycle skipping
Frequency and Duty Cycle
reduction
Improves light load efficiency
Reduces no-load consumption
Additional design flexibility allows all
features to be used simultaneously
TOPSwitch-FX
vs.
TOPSwitch-GX
Table 5 compares the features and performance differences
between
TOPSwitch
-
GX
and
TOPSwitch-FX
. Many of the new
features eliminate the need for additional discrete components.
Function
TOPSwitch-II
TOPSwitch-GX
Figures
TOPSwitch-GX
Advantages
Remote ON/OFF
N/A*
Single transistor
or optocoupler
interface or manual 25, 26, Low consumption in remote off state
switch
27, 29, Active-on control for fail-safe
36, 37, Eliminates expensive in-line on/off
38, 39,
switch
40
Allows processor controlled turn
on/off
Permits shutdown/wake-up of
peripherals via LAN or parallel port
Single transistor
Synchronization to external lower
or optocoupler
frequency signal
interface
Starts new switching cycle on
demand
11, 22, Fast on/off (cycle by cycle)
23, 24, Active-on or active-off control
Synchronization
N/A*
Thermal Shutdown
125
°
C min.
Latched
Current Limit Tolerance
±
10% (@25
°
C)
DRAIN
Creepage
at Package
DIP
SMD
Table 5. Comparison Between TOPSwitch-FX and TOPSwitch-GX.
(continued on next page)
相關(guān)PDF資料
PDF描述
TOP242G-TL SMPS Controller
TOP242R-TL SMPS Controller
TOP243F SMPS Controller
TOP243G SMPS Controller
TOP243G-TL SMPS Controller
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TOP242F- 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
TOP242FN 功能描述:交流/直流開關(guān)轉(zhuǎn)換器 10W 85-265 VAC 15 W230 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(guān)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(fēng)格:SMD/SMT 封裝 / 箱體:SSO-10 封裝:Reel
TOP242FN- 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
TOP242FN-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
TOP242F-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
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