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Switch-Mode Regulator Features Ultra-Wide Input Voltage Range from 4.25 to 75 V

Tue, 01/22/2008 - 11:28am
National Semiconductor Corporation introduces a high-voltage, monolithic two-switch forward DC/DC regulator for power supply designs in telecommunication, automotive and industrial applications. The LM5015 features an ultra-wide input voltage range from 4.25 to 75 V and maximum switching frequency to 750 kHz. The LM5015 enables easy implementation of either isolated or non-isolated DC/DC converters using a minimum of external components. Offered in a small TSSOP package, the LM5015 integrates two 75 V N-Channel MOSFET switches for a reduced system component count and very small solution size. The two-switch forward architecture reduces system losses and noise. The LM5015 high-voltage switch-mode regulator features all of the functions necessary to implement efficient two-switch forward and two-switch flyback power converters with a minimum of external components. The operating frequency of the LM5015 is set with a single resistor and is programmable up to 750 kHz. The oscillator can also be synchronized to an External clock.


www.national.com
408-721-2033
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