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參數資料
| 型號： | TOP245Y |
| 廠商： | POWER INTEGRATIONS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Family Extended Power, Design Flexible,Integrated Off-line Switcher |
| 中文描述： | 2.88 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZFM6 |
| 封裝： | PLASTIC, TO-220, 7/6 PIN |
| 文件頁數： | 10/48頁 |
| 文件大?。?/td> | 771K |
| 代理商： | TOP245Y |
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TOP242-249
10
E
7/01
August 8, 2000
also used to generate a temperature-compensated current
reference which is trimmed to accurately set the switching
frequency, MOSFET gate drive current, current limit, and the
line OV/UV thresholds.
TOPSwitch-GX
has improved circuitry
to maintain all of the above critical parameters within very tight
absolute and temperature tolerances.
High-Voltage Bias Current Source
This current source biases
TOPSwitch-GX
from the DRAIN pin
and charges the CONTROL pin external capacitance during
start-up or hysteretic operation. Hysteretic operation occurs
during auto-restart, remote off and over-temperature shutdown.
In this mode of operation, the current source is switched on and
off with an effective duty cycle of approximately 35%. This
duty cycle is determined by the ratio of CONTROL pin charge
(I
) and discharge currents (I
and I
). This current source
is turned off during normal operation when the output MOSFET
is switching. The effect of the current source switching will be
seen on the DRAIN voltage waveform as small disturbances
and is normal.
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PDF描述 |
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| TOP246R | Family Extended Power, Design Flexible,Integrated Off-line Switcher |
| TOP246Y | Family Extended Power, Design Flexible,Integrated Off-line Switcher |
| TOP247R | Family Extended Power, Design Flexible,Integrated Off-line Switcher |
| TOP247Y | Family Extended Power, Design Flexible,Integrated Off-line Switcher |
| TOP248R | Family Extended Power, Design Flexible,Integrated Off-line Switcher |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TOP245Y- | 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 |
| TOP245Y/F | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Up to 290 W Extended power. design flexible. |
| TOP245YN | 功能描述:交流/直流開關轉換器 60W 85-265 VAC 85 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 |
| TOP245YN- | 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 |
| TOP245YN-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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