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參數(shù)資料
| 型號： | FAN7529MX |
| 廠商： | Fairchild Semiconductor |
| 文件頁數(shù)： | 13/20頁 |
| 文件大?。?/td> | 1733K |
| 描述： | IC PFC CTRLR CRM/TRANSITION 8SOP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 模式： | 臨界傳導(dǎo)（CRM），間歇式（轉(zhuǎn)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(yīng)商設(shè)備封裝： | 8-SOP |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 產(chǎn)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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| FAN7529N | 功能描述:功率因數(shù)校正 IC Critical Conduction Mode PFC Controller RoHS:否 制造商:Fairchild Semiconductor 開關(guān)頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
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| FAN7530M | 功能描述:功率因數(shù)校正 IC Critical Conduction Mode PFC Controller RoHS:否 制造商:Fairchild Semiconductor 開關(guān)頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
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