Switch-Mode Isolated Power Supply

Renesas offers a wide selection of PWM controllers designed for switch-mode DC/DC and AC/DC power supplies requiring an isolation transformer, such as off-line AC/DC and -48V telecom-input DC/DC converters.

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Charge Pumps

Renesas Electronics Corp.

Renesas offers monolithic CMOS voltage conversion ICs that perform supply voltage conversions from positive to negative for an input range of 1.5V to 12V, resulting in complementary output voltages of -1.5V to -12V.

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General Purpose Low-side MOSFET Drivers

Renesas Electronics Corp.

Renesas' family of low-side FET drivers are very high-speed matched dual-drivers capable of delivering peak currents of 2.0 amps into highly capacitive loads and excellent at driving large capacitive loads with minimal delay and switching times. The high-speed performance is achieved by means of a proprietary "Turbo-Driver" circuit that speeds up input stages by tapping the wider voltage swing at the output. Improved speed and drive capability are enhanced by matched rise and fall delay times. These matched delays maintain the integrity of input-to-output pulse-widths to reduce timing errors and clock skew problems. This improved performance is accompanied by a 10 fold reduction in supply currents over bipolar drivers, yet without the delay time problems commonly associated with CMOS devices. Dynamic switching losses are minimized with non-overlapped drive techniques.

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Isolated PWM Controllers

Renesas Electronics Corp.

Renesas offers a broad portfolio of single-ended and double-ended isolated PWM controllers, and zero-voltage switching (ZVS) full bridge controllers.

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PFC Controllers

Renesas Electronics Corp.

Renesas' power factor correction (PFC) controller family uses boost topology and are suitable for AC/DC power systems, up to 2kW and over the universal line input. These PFC controller IC's operate in continuous conduction mode (CCM), and the small external components result in a low cost design without sacrificing performance.

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Regulators For Bias Supply

Renesas Electronics Corp.

Renesas' low cost linear regulators generate a low voltage bias supply from intermediate distributed voltages commonly used in telecom and datacom applications. These devices may be used as start-up or as continuous low power regulators.

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Switch-Mode Isolated Power Supply

Topics

Charge Pumps

General Purpose Low-side MOSFET Drivers

Isolated PWM Controllers

PFC Controllers

Regulators For Bias Supply