参数资料
型号: FSD176MRTUDTU
厂商: Fairchild Semiconductor
文件页数: 3/17页
文件大小: 0K
描述: IC OFF-LINE SWITCH PWM TO220-6
标准包装: 50
系列: FPS™
输出隔离: 隔离
频率范围: 61kHz ~ 73kHz
输入电压: 13 V ~ 26 V
输出电压: 650V
功率(瓦特): 90W
工作温度: -40°C ~ 125°C
封装/外壳: *
供应商设备封装: *
包装: *
Pin Configuration
Pin Definitions
Figure 3.
Pin Configuration (Top View)
Pin #
1
2
3
4
5
6
Name
Drain
GND
V CC
FB
NC
V STR
Description
SenseFET Drain . High-voltage power SenseFET drain connection.
Ground . This pin is the control ground and the SenseFET source.
Power Supply . This pin is the positive supply input, which provides the internal operating
current for both startup and steady-state operation.
Feedback . This pin is internally connected to the inverting input of the PWM comparator.
The collector of an opto-coupler is typically tied to this pin. For stable operation, a capacitor
should be placed between this pin and GND. If the voltage of this pin reaches 7 V, the
overload protection triggers, which shuts down the FPS.
No Connection
Startup . This pin is connected directly, or through a resistor, to the high-voltage DC link.
At startup, the internal high-voltage current source supplies internal bias and charges the
external capacitor connected to the V CC pin. Once V CC reaches 12 V, the internal current
source (I CH ) is disabled.
? 2011 Fairchild Semiconductor Corporation
FSD176MRT ? Rev. 1.0.1
3
www.fairchildsemi.com
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