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, analog and mixed-signal semiconductor markets. Diodes serves the consumer electronics, computing, communications, industrial, and automotive markets.
Diodes’ products include diodes, rectifiers, transistors, MOSFETs, protection devices, function-specific arrays, single gate logic, amplifiers and comparators, Hall-effect and temperature sensors, power management devices, including LED drivers, AC-DC converters and controllers, DC-DC switching and linear voltage regulators, and voltage references along with special function devices, such as USB power switches, load switches, voltage supervisors, and motor controllers.
Diodes’ corporate headquarters and Americas’ sales office are located in Plano, Texas and Milpitas, California. Design, marketing, and engineering centers are located in Plano; Milpitas; Taipei, Taiwan; Taoyuan City, Taiwan; Zhubei City, Taiwan; Manchester, England; and Neuhaus, Germany. Diodes’ wafer fabrication facilities are located in Manchester and Shanghai, China. Diodes has assembly and test facilities located in Shanghai, Jinan, Chengdu, and Yangzhou, China, as well as in Hong Kong, Neuhaus and Taipei. Additional engineering, sales, warehouse, and logistics offices are located in Taipei; Hong Kong; Manchester; Shanghai; Shenzhen, China; Seongnam-si, South Korea; and Munich, Germany, with support offices throughout the world.

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