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NCP81151 Datasheet, PDF (1/9 Pages) ON Semiconductor – Compatible Synchronous Buck MOSFET Driver | |||
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NCP81151
VR12.5 Compatible
Synchronous Buck MOSFET
Driver
The NCP81151 is a high performance dual MOSFET gate driver
optimized to drive the gates of both highâside and lowâside power
MOSFETs in a synchronous buck converter. It can drive up to 3 nF
load with a 25 ns propagation delay and 20 ns transition time.
Adaptive antiâcrossâconduction and power saving operation circuit
can provide a low switching loss and high efficiency solution for
notebook systems.
The UVLO function guarantees the outputs are low when the supply
voltage is low.
Features
⢠Faster Rise and Fall Times
⢠Adaptive AntiâCrossâConduction Circuit
⢠Zero Cross Detection function
⢠Output Disable Control Turns Off Both MOSFETs
⢠Undervoltage Lockout
⢠Power Saving Operation Under Light Load Conditions
⢠Direct Interface to NCP6131 and Other Compatible PWM
Controllers
⢠Thermally Enhanced Package
⢠These Devices are PbâFree, Halogen Free/BFR Free and are RoHS
Compliant
Typical Applications
⢠Power Management Solutions for Notebook Systems
www.onsemi.com
1
DFN8
CASE 506AA
MARKING
DIAGRAM
1
A3MG
G
A3 = Specific Device Code
M = Date Code
G = PbâFree Package
(Note: Microdot may be in either location)
PINOUT DIAGRAM
BST 1
PWM 2
EN 3
VCC 4
FLAG
9
8 DRVH
7 SW
6 GND
5 DRVL
ORDERING INFORMATION
Device
Package
Shippingâ
NCP81151MNTAG DFN8
3000 / Tape &
(PbâFree)
Reel
NCP81151MNTBG DFN8
3000 / Tape &
(PbâFree)
Reel
â For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
© Semiconductor Components Industries, LLC, 2015
1
April, 2015 â Rev. 4
Publication Order Number:
NCP81151/D
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