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NCP81081
Integrated Driver and MOSFET
NCP81081
Integrated Driver and
MOSFET
The NCP81081 integrates a MOSFET driver, highïside MOSFET
and lowïside MOSFET into a 6 mm x 6 mm 40ïpin QFN package.
The driver and MOSFETs have been optimized for highïcurrent
DCïDC buck power conversion applications. The NCP81081
integrated solution greatly reduces package parasitics and board space
compared to a discrete component solution.
Features Capable of Switching Frequencies Up to 1 MHz Capable of Output Currents Up to 35 A PWM Input Capable of 3.3 V and 5 V Internal Bootstrap Diode Zero Current Detection Undervoltage Lockout Internal Thermal Warning / Thermal Shutdown These are PbïFree Devices
DISB#
PWM
VCIN BOOT
VIN
VSWH
PGND
Output
Disable
PWM
Vout
CGND
12ï20 V
ZCD_EN#ZCD Enable
THWN
Thermal
Warning
Figure 1. Application Schematic
5 V
PHASE
Device Package Shipping
ORDERING INFORMATION
QFN40
(PbïFree)
2500/Tape & ReelNCP81081MNR2G
MARKING
DIAGRAM
QFN40
MN SUFFIX
CASE 485AZ
http://
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.
NCP81081
AWLYYWWG = Assembly Location = Wafer Lot = Year = Work Week = PbïFree Package1
QFN40
(PbïFree)
2500/Tape & ReelNCP81081MNTWG
