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Anxson - Synchronous Boost DC/DC Regulator

Numéro de référence AX3001
Description Synchronous Boost DC/DC Regulator
Fabricant Anxson 
Logo Anxson 





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AX3001 fiche technique
AHXX31000011
Synchronous Boost DC/DC Regulator
Features
Description
Up to 94% Efficiency
Low voltage start-up0.9V
Shut-down current: < 1μA
Input voltage0.9V4.4V
Output voltage2.5V4.3V (Up to 5V with
Schottky)
Low switch on resistance RDS(ON), Internal
switch: 0.35Ω
1.4MHz fixed frequency switching
Automatic PWM/PFM mode switching
High switch on current: 0.9A
Low profile SOT-23-6 package (lead-free
packaging is now available)
Applications
Digital cameras and MP3
Palmtop computers / PDAs
Cellular phones
Wireless handsets and DSL modems
PC cards
Portable media players
The AX3001 is high efficiency synchronous,
PWM step-up DC/DC converters optimized to
provide a high efficient solution to medium
power systems. The devices work under the
input voltage between 0.9V and 4.4V with a
1.4MHz fixed frequency switching. These
features minimize overall solution footprint by
allowing the use of tiny, low profile inductors
and ceramic capacitors. Automatic PWM/PFM
mode switching at light load saves power and
improve efficiency.
The AX3001 is capable of supplying an output
voltage between 2.5V and 4.3V, the internal
synchronous switch is desired to provide high
efficiency without Schottky.
The devices also featured providing up to
260mA from a single AA cell input or up to
600mA from a 2-cell AA with a 3V/3.3V output.
The AX3001 regulators are available in the
industry standard SOT-23-6 power packages
(or upon request).
Order Information
AX3001 - ① ②
SYMBOL
www.anxson.com
DESCRIPTION
Denotes Output voltage:
A : Adjustable Output
Denotes Package Types:
F: SOT-23-6
TEL:0755-33128916
1FAX:0755-83194860

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