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NCP1580 - Low Voltage Synchronous Buck Controller

Description

Pin No.

Supply rail for the floating top gate driver.

desired input voltage to this pin (cathode connected to BST pin).

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 Circuit.

📥 Download Datasheet

Datasheet Details

Part number NCP1580
Manufacturer onsemi
File Size 187.94 KB
Description Low Voltage Synchronous Buck Controller
Datasheet download datasheet NCP1580 Datasheet

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Full PDF Text Transcription

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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.
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