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NVS0.3CH-M6 Datasheet(PDF) 5 Page - Power-One |
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NVS0.3CH-M6 Datasheet(HTML) 5 Page - Power-One |
5 / 11 page Product Specifications NV Series: 4 - 6W DC/DC Converters Oct 2001 9-36V, 18-36V, 36-72V & 16-75V Inputs 3.3V, 5.0V, 12V, 15V, ±5.0V, ±12V, ±15V & ±24V Outputs 18-Oct-01 Rev 1.0 Page 5 of 11 www.power-one.com Temperature Derating Curves The derating curves below give an indication of the output power achievable with and without forced air-cooling. However in the final application the temperature rise of the converter is also influenced by factors such as heat conduction through the leads to the PCB, orientation, the temperature of surrounding components and the input voltage. To ensure the reliability of the converter, care must be taken to guarantee that the maximum case temperature is not exceeded under any conditions. The measurement point for case temperature is specified on the mechanical drawing (Tc). Temperature derating for 18-36V and 36-75V input voltage ranges : The 9-36V and 18-75V input voltage versions of this series feature a 4:1 input voltage range and can achieve operation at full power at 85ºC ambient temperature with only convection cooling. Temperature derating for 9-36V and 18-75V input voltage ranges : Typical Application This series of converters does not require any external components for proper operation. However, if the distribution of the input voltage to the converter contains significant inductance, a capacitor across the input terminals may be required to stabilize the input voltage. A minimum of 0.47µF, quality electrolytic / ceramic capacitor is recommended for this purpose. For output decoupling it is recommended to connect, directly across the output pins, a 0.47µF ceramic capacitor (for 3.3V and 5V outputs) or a 0.27µF ceramic capacitor (for other outputs). Care must be taken to ensure the maximum rated output capacitance for the device is not exceed when dimensioning decoupling capacitors in the system as this could cause the unit to detect an overload and enter a ‘hiccup’ mode of operation. Output Power Vs Ambient Temp. & Airflow 0 20 40 60 80 100 120 Ambient Temp. (deg °C) 400LFM (2 m/s) 200LFM (1 m/s) 0 LFM Output Power Vs Ambient Temp. & Airflow 0 20 40 60 80 100 120 Ambient Temp. (deg °C) 200LFM (1 m/s) 0 LFM |
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