NCP81258H driver equivalent, synchronous buck mosfet driver.
* Space−efficient 2 mm x 2 mm DFN8 Thermally−enhanced Package
* VCC Range of 4.5 V to 13.2 V
* Internal Bootstrap Diode
* 5 V 3−stage PWM Input
* Zero.
* Power Solutions for Notebook and Desktop Systems
This document contains information on a product under development.
Pin No.
Pin Name
Description
1
BST
Floating bootstrap supply pin for the high−side gate driver. Connect the external bootstrap ca-
pacitor between this pin and SW.
2
PWM
Control input:
PWM = High ³ DRVH is high, DRVL is low.
PWM = Mid ³ Z.
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