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Numéro de référence | AX3001 | ||
Description | Synchronous Boost DC/DC Regulator | ||
Fabricant | Anxson | ||
Logo | |||
1 Page
AHXX31000011
Synchronous Boost DC/DC Regulator
Features
Description
� Up to 94% Efficiency
� Low voltage start-up:0.9V
� Shut-down current: < 1μA
� Input voltage:0.9V~4.4V
� Output voltage:2.5V~4.3V (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
①
②
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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Pages | Pages 6 | ||
Télécharger | [ AX3001 ] |
No | Description détaillée | Fabricant |
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