NCP1580DR Datasheet

PMIC - Voltage Regulators - DC DC Switching Controllers


The NCP1580DR is a voltage mode PWM controller designed to operate from a 5.0 V or 12 V supply and produce an output voltage as low as 0.8 V. This 8−pin device provides an optimal level of integration to reduce size and cost of the power supply. The NCP1580DR has a fixed 350 kHz oscillator and soft−start function. The NCP1580DR provides a 1.5 A floating gate driver design to drive N−Channel MOSFETs in a synchronous configuration. Adaptive non−overlap circuitry reduces switching losses by preventing simultaneous conduction of both outputs. Protection features include thermal shutdown and undervoltage lockout (UVLO). The NCP1580 is available in an 8−pin SOIC package. NCP1580DR Features • Input Voltage Range from 4.5 V to 13.2 V• 350 kHz Internal Oscillator• Boost Pin Operates to 26.5 V• Voltage Mode PWM Control• 0.8 V 1.5% Internal Reference Voltage• Adjustable Output Voltage• Internal Soft−Start• Internal 1.5 A Gate Drivers• Adaptive Non−Overlap Circuit• 90% Max Duty Cycle• Input UVLO• Overtemperature Protection• Fully Specified over −40°C to 85°C• Pb−Free Package is Available NCP1580DR Applications • Graphics Cards• Desktop Computers• Servers/Networking• DSP and FPGA Power Supply• DC−DC Regulator Modules


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Manufacturer information


Diodes Incorporated is a leading global manufacturer and supplier of high-quality, application-specific, standard products within the broad discrete, logic and analog semiconductor markets. Diodes Incorporated primarily serves the computing, consumer, communications, industrial and automotive segments. Diodes’ diverse product portfolio includes parts for LCD/LED TVs and displays, desktop, notebook and tablet computing, smartphones and hand-held devices, set-top boxes, power supplies and USB protection as well as many other application areas.

Diodes Incorporated offers a wide array of products including diodes, rectifiers, transistors, MOSFETs, gate drivers, protection devices, function-specific arrays, amplifiers and comparators, Hall-effect sensors and temperature sensors, power management devices including LED drivers, AC-DC converters and controllers, DC-DC switching regulators, linear voltage regulators, current monitors, and voltage reference and shunt regulators, along with special function devices including USB power switches, load switch devices, voltage supervisors and motor controllers.

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