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ON Semiconductor - VR12.5 Compatible Synchronous Buck MOSFET Driver

Numéro de référence NCP81146MNTBG
Description VR12.5 Compatible Synchronous Buck MOSFET Driver
Fabricant ON Semiconductor 
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NCP81146MNTBG fiche technique
NCP81146
VR12.5 Compatible
Synchronous Buck MOSFET
Drivers
The NCP81146 is a high performance dual MOSFET gate driver
optimized to drive the gates of both highside and lowside 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 anticrossconduction and power saving operation
circuit can provide a low switching loss and high efficiency solution
for notebook and desktop systems. Bidirectional EN pin can provide
a fault signal to controller when the gate driver fault detect under
OVP, UVLO occur. Also, an undervoltage lockout function
guarantees the outputs are low when supply voltage is low.
Features
Faster Rise and Fall Times
Adaptive AntiCrossConduction Circuit
Integrated Bootstrap Diode
Pre OV function
ZCD Detect
Floating Top Driver Accommodates Boost Voltages of up to 35 V
Output Disable Control Turns Off Both MOSFETs
Undervoltage Lockout
Power Saving Operation Under Light Load Conditions
Direct Interface to NCP6151 and Other Compatible PWM
Controllers
Thermally Enhanced Package
These Devices are PbFree, Halogen Free/BFR Free and are RoHS
Compliant
Typical Applications
Power Solutions for Desktop Systems
http://onsemi.com
1
DFN8
MN SUFFIX
CASE 506AA
MARKING DIAGRAM
1
A4MG
G
A4 = Specific Device Code
M = Date Code
G = PbFree Device
ORDERING INFORMATION
Device
Package
Shipping
NCP81146MNTBG DFN8 3000 / Tape & Reel
(PbFree)
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
© Semiconductor Components Industries, LLC, 2013
October, 2013 Rev. 0
1
Publication Order Number:
NCP81146/D

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