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PS0020-3.3 Datasheet(PDF) 1 Page - Power IC Ltd.

Part # PS0020-3.3
Description  Low Iq Synchronous Boost Converter with Output Disconnect
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Manufacturer  PICSEMI [Power IC Ltd.]
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PS0020-3.3 Datasheet(HTML) 1 Page - Power IC Ltd.

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FEATURES
Up to 92% Efficiency.
Low Start-Up Voltage: 0.8V
Internal Synchronous Rectifier
Up to 100KHz Switching Allows Tiny
External Components
2.5V to 5V Output Range (Note 3)
Fully Discharged Shutdown Output Voltage
Logic Controlled Shutdown (<1
μA)
Pulse Skipping at Light Load for Extended
Battery Life
Generates 3.3V at 20mA from Single AA
Cell
Stable with Ceramic Output Capacitor
6L SOT-26 Package
APPLICATIONS
MP3 / MP4 players
PDAs and Organizers
Digital Cameras
Wireless Mice / Keyboards
Portable Medical Equipments
GPS Receivers
Remote controls
Wireless Headsets
DESCRIPTION
The PS0020 is a synchronous, step-up DC/DC
converter delivering high efficiency in a 6-leads
SOT-26 package. The device having an internal
NMOS switch and PMOS synchronous rectifier has
the capacity of supplying 3.3V at 20mA from a
single AA cell input.
A high frequency switching
minimizes board area
by allowing the use of tiny, low profile inductors
and ceramic capacitors.
The PS0020 provides automatic pulse skipping at
light loads reducing supply current for extended
battery life. At shutdown the PS0020 fully
discharges the output to ground and takes very low
supply current.
The PS0020 is available in small SOT26 package
with both fixed and adjustable output voltage
versions.
Low Iq Synchronous Boost
Converter with Output Disconnect
PS0020
TYPICAL APPLICATION
Version 1.1
www.picsemi.com
July 6, 2007
© 2007 Power IC. All Rights Reserved.
1


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