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參數(shù)資料
| 型號： | L6563H |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | POWER FACTOR CONTROLLER, PDSO16 |
| 封裝： | ROHS COMPLIANT, SOP-16 |
| 文件頁數(shù)： | 29/48頁 |
| 文件大?。?/td> | 1634K |
| 代理商： | L6563H |
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L6563H
Application information
Doc ID 16047 Rev 2
35/48
6.8
High-voltage start-up generator
shows the internal schematic of the high-voltage start-up generator (HV
generator). It is made up of a high-voltage N-channel FET, whose gate is biased by a 15 M
Ω
resistor, with a temperature-compensated current generator connected to its source.
Figure 51.
High-voltage start-up generator: internal schematic
The HV generator is physically located on a separate chip, made with BCD off-line
technology able to withstand 700 V, controlled by a low-voltage chip, where all of the control
functions reside.
With reference to the timing diagram of Figure 52, when power is first applied to the
converter the voltage on the bulk capacitor (Vin) builds up and, at about 80 V, the HV
generator is enabled to operate (HV_EN is pulled high) so that it draws about 1 mA. This
current, minus the device's consumption, charges the bypass capacitor connected from pin
Vcc (16) to ground and makes its voltage rise almost linearly.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| L6563HTR | 功能描述:功率因數(shù)校正 IC 700V 6mA Start-Up Transition-Mode PFC RoHS:否 制造商:Fairchild Semiconductor 開關頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| L6563S | 功能描述:功率因數(shù)校正 IC Transition Mode PFC 5mA 90uA 1.5% Ref RoHS:否 制造商:Fairchild Semiconductor 開關頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| L6563STR | 功能描述:功率因數(shù)校正 IC Transition Mode PFC 5mA 90uA 1.5% Ref RoHS:否 制造商:Fairchild Semiconductor 開關頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| L6563TR | 功能描述:功率因數(shù)校正 IC POWER SUPPLY RoHS:否 制造商:Fairchild Semiconductor 開關頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| L6564 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:10 pin transition-mode PFC controller |
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