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NCV6334B fiches techniques PDF

ON Semiconductor - 2A Synchronous Buck Converter

Numéro de référence NCV6334B
Description 2A Synchronous Buck Converter
Fabricant ON Semiconductor 
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NCV6334B fiche technique
NCV6334B
3MHz, 2A Synchronous
Buck Converter
High Efficiency, Low Ripple, Adjustable
Output Voltage
The NCV6334B, a family of synchronous buck converters, which is
optimized to supply different sub systems of portable applications
powered by one cell Liion or three cell Alkaline/NiCd/NiMH
batteries. The devices are 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 and automatic PWM/PFM power
save mode offer improved system efficiency. The NCV6334B is in a
space saving, low profile 2.0 x 2.0 x 0.75 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
Automatic Power Save
Enable Input
Power Good Output Option
Soft Start
Over Current Protection
Active Discharge When Disabled
Thermal Shutdown Protection
WDFN8, 2 x 2 mm, 0.5 mm Pitch Package
Maximum 0.8 mm Height for Super Thin Applications
This is a PbFree Device
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
MARKING
DIAGRAM
1
WDFN8
CASE 511BT
1
AM MG
G
AM = Specific Device Code
M = Date Code
G = PbFree Package
(*Note: Microdot may be in either location)
PGND 1
SW 2
AGND 3
FB 4
PINOUT
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 2 of this data sheet.
© Semiconductor Components Industries, LLC, 2012
November, 2012 Rev. 3
1
Publication Order Number:
NCV6334B/D

PagesPages 14
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