參數(shù)資料
型號(hào)： TOP243Y-TL
廠商： POWER INTEGRATIONS INC
元件分類： 穩(wěn)壓器
英文描述： 1.44 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZFM6
封裝： PLASTIC, TO-220, 7 PIN
文件頁(yè)數(shù)： 20/52頁(yè)
文件大?。?/td> 2175K
代理商： TOP243Y-TL
TOP242-250
27
M
12/04
Function
TOPSwitch-II TOPSwitch-GX
Figures
TOPSwitch-GX
Advantages
Switching Frequency
Option (Y, R and F
Packages)
N/A*
66 kHz ±7%
14,15
Lower losses when using RC and
RCD snubber for noise reduction
in video applications
Allows for higher efciency in
standby mode
Lower EMI (second harmonic
below 150 kHz)
Frequency Jitter
N/A*
±4 kHz @ 132 kHz
±2 kHz @ 66 kHz
9,46
Reduces conducted EMI
Frequency Reduction N/A*
At a duty cycle below
10%
7
Zero load regulation without
dummy load
Low power consumption at
no-load
Remote ON/OFF
N/A*
Single transistor or
optocoupler interface
or manual switch
11,22,23,
24,25,26,
27,29,36,
37,38,39,
40
Fast ON/OFF (cycle-by-cycle)
Active-on or active-off control
Low consumption in remote off
state
Active-on control for fail-safe
Eliminates expensive in-line
on/off switch
Allows processor controlled turn
on/off
Permits shutdown/wake-up of
peripherals via LAN or parallel
port
Synchronization
N/A*
Single transistor or
optocoupler interface
Synchronization to external lower
frequency signal
Starts new switching cycle on
demand
Thermal Shutdown
125 °C min.
Latched
Hysteretic 130 °C
min. shutdown (with
75 °C hysteresis)
Automatic recovery from thermal
fault
Large hysteresis prevents circuit
board overheating
Current Limit
Tolerance
±10% (@ 25 °C)
-8% (0 °C to
100 °C)
±7% (@ 25 °C)
-4% Typical
(0 °C to 100 °C)**
10% Higher power capability due
to tighter tolerance
DRAIN
Creepage
at Package
DIP
0.037” / 0.94 mm
0.137” / 3.48 mm
Greater immunity to arcing as a
result of build-up of dust, debris
and other contaminants
SMD
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
PCB for Y, R and F
Packages
0.045” / 1.14 mm
(R and F Package
N/A*)
0.113” / 2.87 mm
(performed leads)
Performed leads accommodate
large creepage for PCB layout
Easier to meet Safety (UL/VDE)
Table 4 (cont). Comparison Between TOPSwitch-II and TOPSwitch-GX.
*Not available **Current limit set to internal maximum
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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TOP244F- 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
TOP244FN 功能描述:交流/直流開(kāi)關(guān)轉(zhuǎn)換器 45 W 85-265 VAC 65 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(kāi)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
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