NCP81158D - Synchronous Buck MOSFET Driver

onsemi

General Description

Pin No.

Floating bootstrap supply pin for high side gate driver.

the SW pin.

Key Features

When Device is Powered, Fast PWM Response to EN Going High.
Space.
efficient 3 mm x 3 mm DFN8 Thermally.
Enhanced Package.
VCC Range of 4.5 V to 5.5 V.
Internal Bootstrap Diode.
5 V 3.
stage PWM Input.
Diode Braking Capability via EN Mid.
state.
Adaptive Anti.
cross Conduction Circuit Protects Against Cross.
conduction during FET Turn.
on and Turn.
off.
Output Disable.

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NCP81158D synchronous buck mosfet driver by onsemi - Datasheet Preview

Datasheet Details

Part number	NCP81158D
Manufacturer	onsemi
File Size	181.59 KB
Description	Synchronous Buck MOSFET Driver
Datasheet	NCP81158D Datasheet

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Full PDF Text Transcription (Reference)

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DATA SHEET www.onsemi.com Synchronous Buck MOSFET Driver NCP81158D The NCP81158D is a high−performance dual MOSFET gate driver in a small 3 mm x 3 mm package, optimized to drive the gates of both high−side and low−side power MOSFETs in a synchronous buck converter. The driver outputs can be placed into a high−impedance state via the tri−state PWM and EN inputs. The NCP81158D comes packaged with an integrated boost diode to minimize external components. A VCC UVLO function guarantees the outputs are low when the supply voltage is low. Features • When Device is Powered, Fast PWM Response to EN Going High • Space−efficient 3 mm x 3 mm DFN8 Thermally−Enhanced Package • VCC Range of 4.5 V to 5.