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參數資料
| 型號： | SG6961SY |
| 廠商： | Fairchild Semiconductor |
| 文件頁數： | 4/14頁 |
| 文件大?。?/td> | 835K |
| 描述： | IC PFC CTRLR AVERAGE CURR 8SOIC |
| 標準包裝： | 2,500 |
| 模式： | 平均電流 |
| 頻率 - 開關： | 50kHz |
| 電流 - 啟動： | 10µA |
| 電源電壓： | 12 V ~ 20 V |
| 工作溫度： | -20°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-SOICN |
| 包裝： | 帶卷 (TR) |
?2008 Fairchild Semiconductor Corporation
www.fairchildsemi.com
SG6961 " Rev. 1.3.2
4
Pin Configuration
Figure 4. Pin Configuration
Pin Definitions
Pin # Name Description
1
INV
Inverting Input of the Error Amplifier. INV is connected to the converter output via a resistive
divider. This pin is also used for over-voltage clamping and open-loop feedback protection.
2
COMP
The Output of the Error Amplifier. To create a precise clamping protection, a compensation
network between this pin and GND is suggested.
3
MOT
Maximum On Time. A resistor from MOT to GND is used to determine the maximum on-time
of the external power MOSFET. The maximum output power of the converter is a function of
the maximum on time.
4
CS
Current Sense. Input to the over-current protection comparator. When the sensed voltage
across the sense resistor reaches the internal threshold (0.8V), the switch is turned off to
activate cycle-by-cycle current limiting.
5
ZCD
Zero Current Detection. This pin is connected to an auxiliary winding via a resistor to detect
the zero crossing of the switch current. When the zero crossing is detected, a new switching
cycle is started. If it is connected to GND, the device is disabled.
6
GND
Ground. The power ground and signal ground. Placing a 0.1?/SPAN>F decoupling capacitor between
VCC and GND is recommended.
7
GD
Driver Output. Totem-pole driver output to drive the external power MOSFET. The clamped
gate output voltage is 16.5V.
8
VCC
Power Supply. Driver and control circuit supply voltage.
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相關代理商/技術參數 |
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|---|---|
| SG6961SZ | 功能描述:功率因數校正 IC Power Factor 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 |
| SG6980 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Single-Stage PFC Controller |
| SG6980DDZ | 功能描述:開關變換器、穩壓器與控制器 Single Stage PFC Controller RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| SG6980DZ | 功能描述:開關變換器、穩壓器與控制器 Single Stage PFC Controller RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| SG6980SZ | 功能描述:開關變換器、穩壓器與控制器 Single Stage PFC RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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