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NCV6354 fiches techniques PDF

ON Semiconductor - 3MHz 2A Fixed-Frequency Synchronous Buck Converter

Numéro de référence NCV6354
Description 3MHz 2A Fixed-Frequency Synchronous Buck Converter
Fabricant ON Semiconductor 
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NCV6354 fiche technique
NCV6354
3MHz, 2A Fixed-Frequency
Synchronous Buck
Converter
High Efficiency, Low Ripple, Adjustable
Output Voltage
The NCV6354, a synchronous buck converter, which is optimized
to supply the different sub systems of portable applications powered
by one cell Liion or three cell Alkaline/NiCd/NiMH batteries. The
device is able to deliver up to 2 A on an external adjustable voltage.
Operation with 3 MHz switching frequency allows employing small
size inductor and capacitors. Input supply voltage feedforward control
is employed to deal with wide input voltage range. Synchronous
rectification offers improved system efficiency. The NCV6354 is in a
space saving, low profile 2.0x2.0x0.75 mm WDFN8 package.
Features
2.3 V to 5.5 V Input Voltage Range
External Adjustable Voltage
Up to 2 A Output Current
3 MHz Switching Frequency
Synchronous Rectification
Enable Input
Power Good Output
Soft Start
Over Current Protection
Active Discharge when Disabled
Thermal Shutdown Protection
WDFN8, 2x2 mm, 0.5 mm Pitch Package
Maximum 0.8 mm Height for Super Thin Applications
These are PbFree Devices
Typical Applications
Cellular Phones, Smart Phones, and PDAs
Portable Media Players
Digital Still Cameras
Wireless and DSL Modems
USB Powered Devices
Point of Load
Game and Entertainment System
http://onsemi.com
1
WDFN8
CASE 511BT
MARKING
DIAGRAM
1
ADMG
G
AD = Specific Device Code
M = Date Code
G = PbFree Package
(*Note: Microdot may be in either location)
BLOCK DIAGRAM
PGND 1
SW 2
AGND 3
FB 4
9
(Top View)
8 PVIN
7 AVIN
6 PG
5 EN
ORDERING INFORMATION
See detailed ordering, marking and shipping information in the
package dimensions section on page 14 of this data sheet.
© Semiconductor Components Industries, LLC, 2012
November, 2012 Rev. 4
1
Publication Order Number:
NCV6354/D

PagesPages 15
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