NCP1587E - Low Voltage Synchronous Buck Controller

onsemi

General Description

Pin No.

1 Symbol BST Description 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).

Key Features

of the gate driver include adaptive non.
overlap circuitry. The device also incorporates 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 NCP1587E comes in an 8.
pin SOIC package. Features http://onsemi. com.

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Datasheet Details

Part number	NCP1587E
Manufacturer	onsemi
File Size	440.97 KB
Description	Low Voltage Synchronous Buck Controller
Datasheet	NCP1587E Datasheet

Full PDF Text Transcription for NCP1587E (Reference)

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NCP1587E Low Voltage Synchronous Buck Controller The NCP1587E is a low cost PWM controller designed to operate from a 5 V or 12 V supply. This device is capable of produc...

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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. The NCP1587E provides a 1 A gate driver design and an internally set 275 kHz oscillator. In addition to the 1 A gate drive capability, other efficiency enhancing features of the gate driver include adaptive non−overlap circuitry. The device also incorporates an externally compensated error amplifier and a capacitor programmable soft−start function. Protection features include programmable short circuit protection

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