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NCP6334C fiches techniques PDF

ON Semiconductor - (NCP6334B/C) 2A Synchronous Buck Converter

Numéro de référence NCP6334C
Description (NCP6334B/C) 2A Synchronous Buck Converter
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NCP6334C fiche technique
NCP6334B, NCP6334C
3MHz, 2A Synchronous
Buck Converter
High Efficiency, Low Ripple, Adjustable
Output Voltage
The NCP6334B/C, 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 NCP6334B/C 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 (NCP6334B) or External Mode Selection
(NCP6334C)
Enable Input
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Power Good Output Option (NCP6334B)
Soft Start
Over Current Protection
Active Discharge When Disabled
Thermal Shutdown Protection
WDFN8, 2 x 2 mm, 0.5 mm Pitch Package
Maximum 0.8mm 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
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MARKING
DIAGRAM
1
WDFN8
CASE 511BE
1
Ax MG
G
Ax = 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 MODE/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
May, 2012 Rev. 2
1
Publication Order Number:
NCP6334B/D
Datasheet pdf - http://www.DataSheet4U.co.kr/

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