NCP1587 Datasheet PDF - ON Semiconductor Low Voltage Synchronous Buck Controller Specs

NCP1587 - Low Voltage Synchronous Buck Controller

Datasheet Summary

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

of the gate driver include adaptive non.
overlap circuitry. The devices also incorporate an externally compensated error amplifier and a capacitor programmable soft.
start function. Protection features include programmable short circuit protection and under voltage lockout (UVLO). The NCP1587/A comes in an 8.
pin SOIC package. Features.
Input Voltage Range from 4.5 to 13.2 V.
275 kHz (NCP1587) and 200 kHz (NCP1587A) Internal Oscillator.
Boost Pin O.

Datasheet Details

Part number	NCP1587
Manufacturer	ON Semiconductor
File Size	407.52 KB
Description	Low Voltage Synchronous Buck Controller
Datasheet	NCP1587 Datasheet
Additional preview pages of the NCP1587 datasheet.

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Full PDF Text Transcription

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NCP1587, NCP1587A Low Voltage Synchronous Buck Controller The NCP1587 and NCP1587A are low cost PWM controllers designed to operate from a 5 V or 12 V supply. These devices are capable of producing an output voltage as low as 0.8 V. These 8−pin devices provide an optimal level of integration to reduce size and cost of the power supply. The NCP1587/A provide a 1 A gate driver design and an internally set 275 kHz (NCP1587) and 200 kHz (NCP1587A) oscillator. In addition to the 1 A gate drive capability, other efficiency enhancing features of the gate driver include adaptive non−overlap circuitry. The devices also incorporate an externally compensated error amplifier and a capacitor programmable soft−start function.

Published: Feb 24, 2011 |