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參數(shù)資料
| 型號： | TOP248FN-TL |
| 廠商： | POWER INTEGRATIONS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 7.2 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZIP6 |
| 封裝： | LEAD FREE, PLASTIC, TO-262, 7/6 PIN |
| 文件頁數(shù)： | 20/52頁 |
| 文件大小： | 2175K |
| 代理商： | TOP248FN-TL |
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TOP242-250
27
N
4/05
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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TOP250F-TL | 10.08 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZIP6 |
| TOP245F | 2.88 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZIP6 |
| TOP245FN-TL | 2.88 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZIP6 |
| TOP247F | 5.76 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZIP6 |
| TOP244GTL | 2.16 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PDSO7 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TOP248F-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 |
| TOP248G- | 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 |
| TOP248GN- | 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 |
| TOP248GN-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 |
| TOP248G-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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