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NCP1583 - Low Voltage Synchronous Buck Controller

Download the NCP1583 datasheet PDF. This datasheet also covers the NCP1582 variant, as both devices belong to the same low voltage synchronous buck controller family and are provided as variant models within a single manufacturer datasheet.

Description

Pin No.

1 BST Supply rail for the floating top gate driver.

To form a boost circuit, use an external diode to bring the desired input voltage to this pin (cathode connected to BST pin).

Features

  • include a 0.7 A gate driver and an internally set 350 kHz (NCP1582, NCP1582A) and a 300 kHz (NCP1583) oscillator. The NCP158x also incorporates an externally compensated transconductance error amplifier and a programmable soft.
  • start function. Protection features include short circuit protection (SCP) and under voltage lockout (UVLO). The NCP158x comes in an 8.
  • pin SOIC package. Features.
  • Input Voltage Range from 4.5 V to 13.2 V.
  • 350 kHz (NCP1582, NCP1582A), 300 k.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (NCP1582_ONSemiconductor.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number NCP1583
Manufacturer onsemi
File Size 272.52 KB
Description Low Voltage Synchronous Buck Controller
Datasheet download datasheet NCP1583 Datasheet

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Full PDF Text Transcription

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NCP1582, NCP1582A, NCP1583 Low Voltage Synchronous Buck Controllers The NCP158x is a low cost PWM controller designed to operate from a 5 V or 12 V supply. This device is capable of producing 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. Features include a 0.7 A gate driver and an internally set 350 kHz (NCP1582, NCP1582A) and a 300 kHz (NCP1583) oscillator. The NCP158x also incorporates an externally compensated transconductance error amplifier and a programmable soft−start function. Protection features include short circuit protection (SCP) and under voltage lockout (UVLO). The NCP158x comes in an 8−pin SOIC package. Features • Input Voltage Range from 4.5 V to 13.
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