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NCP1580

ON Semiconductor
Part Number NCP1580
Manufacturer ON Semiconductor
Description Low Voltage Synchronous Buck Controller
Published Jan 16, 2007
Detailed Description NCP1580 Low Voltage Synchronous Buck Controller The NCP1580 is a voltage mode PWM controller designed to operate from a...
Datasheet PDF File NCP1580 PDF File

NCP1580
NCP1580

Overview
NCP1580 Low Voltage Synchronous Buck Controller The NCP1580 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 NCP1580 has a fixed 350 kHz oscillator and soft−start function.
The NCP1580 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.
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...


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