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参数资料
| 型号： | SFS08ZG-M6 |
| 厂商： | Power-One |
| 文件页数： | 9/14页 |
| 文件大小： | 0K |
| 描述： | CONVERT DC/DC 8V 43W SMD |
| 标准包装： | 12 |
| 系列： | * |
SFS Series Data Sheet
43W SMT DC-DC Converters, 1.5 – 5 V Output
Application and Auxiliary Functions
This series of converters does not require any external
components for proper operation. However, if the
input voltage line contains significant inductance, a
capacitor across the input terminals may be required
to stabilize the input voltage. A minimum of 1 μ F,
Thermal Considerations
The converter is designed for natural or forced
convection cooling. The output power of the converter
is limited by the maximum case temperature (T C ). To
ensure reliable long term operation of the converters,
and to comply with safety agency requirements,
quality electrolytic or ceramic capacitor is recom-
Power-One limits maximum
allowable case
mended for this purpose.
For output decoupling it is recommended to connect a
1 μ F ceramic capacitor directly across the output pins
of the converter (illustrated as follows).
Shutdown
The remote control pin functions as a normal soft
shutdown. It is referenced to the –Vi pin. With positive
logic, when the remote control pin is pulled low, the
output is turned off, and the unit goes into a very low
input power mode.
An open-collector switch is recommended to control
the voltage between the remote control pin and the
–Vi pin. The remote control pin is pulled up internally,
so no external voltage source is required. The user
should not connect a resistor between the remote
control pin and the +Vi pin.
The user must take care to ensure that the pin
reference for the control is connected close to the
–Vi pin. The control signal must not be referenced
ahead of EMI filtering, or remotely from the unit. If the
remote control pin is not used, it can be left open-
circuit.
temperature (T C ) to 100 °C; see Mechanical Data .
Output Current Limitation
When the output is loaded above the maximum output
current rating, the voltage will start to reduce to
maintain the output power to a safe level. In a
condition of high overload or short-circuit, where the
output voltage is pulled below approximately 30% of
V O nom , the converter will enter a hiccup mode of
operation. Under this condition, the converter will
attempt to restart, approximately every 20 ms, until the
overload has cleared.
Sense Lines
The voltage sense feature compensates for voltage
drops that may occur at the point of load due to PCB
tracks or other losses. Pin 3 and pin 16 are used to
sense the output voltage at point of load.
If the sense feature is not used, it is necessary to
connect pin 3 to pins 1 + 2 and pin 16 to pins 17 + 18.
Note : When the output voltage is sensed remotely at
the load, the output power from the converter must not
exceed its maximum rating. This is determined by
measuring the voltage on the output pins, and
multiplying it by the output current.
BCD.00016 Rev. AA, 3-Sep-2010
Page 9 of 14
www.power-one.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SFS08ZG-M6G | 功能描述:DC/DC转换器 RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| SFS10000C-LF | 制造商:ZCOMM 制造商全称:ZCOMM 功能描述:Fixed Frequency Synthesizer |
| SFS10000Z-LF | 制造商:ZCOMM 制造商全称:ZCOMM 功能描述:Fixed Frequency Synthesizer Surface Mount Module |
| SFS10000Z-LF_10 | 制造商:ZCOMM 制造商全称:ZCOMM 功能描述:Fixed Frequency Synthesizer Surface Mount Module |
| SFS1000C-LF | 制造商:ZCOMM 制造商全称:ZCOMM 功能描述:Fixed Frequency Synthesizer |
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