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| 型号： | FL6961MY |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 3/11页 |
| 文件大小： | 489K |
| 描述： | IC CTLR PFC SGL FLYBACK 8-SOIC |
| 标准包装： | 2,500 |
| 模式： | 临界传导（BCM） |
| 电流 - 启动： | 10µA |
| 电源电压： | 10.5 V ~ 24.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOP |
| 包装： | 带卷 (TR) |
?2010 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FL6961 " Rev. 1.0.2
3
Marking Information
Figure 4. Marking Information
Pin Configuration
Figure 5.
Pin Configuration (Top View)
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
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
V
CC
and GND is recommended.
7
GATE
Driver Output. Totem-pole driver output to drive the external power MOSFET. The clamped gate
output voltage is 16.5V.
8
V
CC
Power Supply. Driver and control circuit supply voltage.
F- Fairchild Logo
Z- Plant Code
X- Year Code
Y- Week Code
TT: Die Run Code
T: Package Type (M=SOP)
P: Z: Pb Free
Y: Green Compound
M: Manufacture Flow Code
FL6961
TPM
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