Today’s telecom equipment and other high-voltage systems demand greater energy savings than ever before. National’s complete selection of high voltage switching regulators and controllers are optimized to maximize efficiency and deliver robust, reliable performance. These solutions operate from 75V and endure transients of up to 100V, enabling them to directly power low voltage circuitry with no intermediate voltage required. These robust and reliable switchers enhance system efficiencies by up to 3-5% over existing solutions. High-performance switching architectures such as Emulated Current Mode (ECM) and Constant On-time (COT) deliver outstanding voltage regulation and transient response, further enhancing performance and reducing load capacitance requirements, and fixed-frequency operation with synchronization capability helps reduce EMI in noise-sensitive applications such as wireless infrastructure.Today’s telecom equipment and other high-voltage systems demand greater energy savings than ever before. National’s complete selection of high voltage switching regulators and controllers are optimized to maximize efficiency and deliver robust, reliable performance. These solutions operate from 75V and endure transients of up to 100V, enabling them to directly power low voltage circuitry with no intermediate voltage required. These robust and reliable switchers enhance system efficiencies by up to 3-5% over existing solutions. High-performance switching architectures such as Emulated Current Mode (ECM) and Constant On-time (COT) deliver outstanding voltage regulation and transient response, further enhancing performance and reducing load capacitance requirements, and fixed-frequency operation with synchronization capability helps reduce EMI in noise-sensitive applications such as wireless infrastructure.
Isolated power supplies are widely used in automotive and telecom applications to handle wide step down and step up ratios and to reliably and safely provide positive regulated voltages from a negative bus.
National Semiconductor offers a wide selection of power-conversion topologies to support your various power requirements. Whether you are looking for forward or flyback converters for easy low power conversion, forward converters for flexible conversion in applications up to 300W or push-pull, half or full bridge converters to support high power off-line and distributed power bus applications, National Semiconductor has you covered.
National also has a broad range of low-side and high-side MOSFET (FET) drivers that have been integrated within controller ICs and implemented as dedicated ICs, enabling optimized system solutions for a wide variety of topologies and power levels. Partitioning the gate-drive function outside the PWM controller allows the controller to run cooler and be more stable by eliminating the high peak currents and heat dissipation needed to drive a power MOSFET at very high frequencies. National’s MOSFETs support wide input voltage ranges, adaptive transition timing, UVLO, and powerful gate drive current levels.
Isolated power supplies are widely used in automotive and telecom applications to handle wide step down and step up ratios and to reliably and safely provide positive regulated voltages from a negative bus.
National Semiconductor offers a wide selection of power-conversion topologies to support your various power requirements. Whether you are looking for forward or flyback converters for easy low power conversion, forward converters for flexible conversion in applications up to 300W or push-pull, half or full bridge converters to support high power off-line and distributed power bus applications, National Semiconductor has you covered.
National also has a broad range of low-side and high-side MOSFET (FET) drivers that have been integrated within controller ICs and implemented as dedicated ICs, enabling optimized system solutions for a wide variety of topologies and power levels. Partitioning the gate-drive function outside the PWM controller allows the controller to run cooler and be more stable by eliminating the high peak currents and heat dissipation needed to drive a power MOSFET at very high frequencies. National’s MOSFETs support wide input voltage ranges, adaptive transition timing, UVLO, and powerful gate drive current levels.
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