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參數資料
型號: FAN7529MX
廠商: Fairchild Semiconductor
文件頁數: 13/20頁
文件大小: 1733K
描述: IC PFC CTRLR CRM/TRANSITION 8SOP
標準包裝: 1
模式: 臨界傳導(CRM),間歇式(轉換)
電流 - 啟動: 40µA
電源電壓: 12 V ~ 22 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應商設備封裝: 8-SOP
包裝: 標準包裝
產品目錄頁面: 1222 (CN2011-ZH PDF)
其它名稱: FAN7529MXDKR
?2006 Fairchild Semiconductor Corporation
 www.fairchildsemi.com
FAN7529 Rev. 1.0.2
13
4. Over-Current Protection Block
The MOSFET current is sensed using an external sens-
ing resistor for the over-current protection. If the CS pin
voltage is higher than 0.8V, the over-current protection
comparator generates a protection signal. An internal RC
filter is included to filter switching noise.
Figure 36. Over-Current Protection Block
5. Switch Drive Block
The FAN7529 contains a single totem-pole output stage
designed for direct drive of the power MOSFET. The
drive output is capable of up to +500/-800mA peak cur-
rent with a typical rise and fall time of 50ns with 1nF load.
The output voltage is clamped to 13V to protect the
MOSFET gate if the V
CC
 voltage is higher than 13V.
6. Under-Voltage Lockout Block
If the V
CC
 voltage reaches 12V, the ICs internal blocks
are enabled and start operation. If the V
CC
 voltage drops
below 8.5V, most of the internal blocks are disabled to
reduce the operating current. V
CC
  voltage should be
higher than 8.5V under normal conditions.
8pF
40k
CS
Over Current Protection
Comparator
4
0.8V
OCP
Signal
FAN7529 Rev. 00
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相關代理商/技術參數
參數描述
FAN7529N 功能描述:功率因數校正 IC Critical Conduction Mode PFC Controller 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
FAN7530 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Critical Conduction Mode PFC Controller
FAN7530_07 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Critical Conduction Mode PFC Controller
FAN7530BMX 功能描述:功率因數校正 IC TBD 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
FAN7530M 功能描述:功率因數校正 IC Critical Conduction Mode PFC Controller 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
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