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YOBON TECHNOLOGIES - 3A Synchronous Step-Down Converter

Numéro de référence YB1693
Description 3A Synchronous Step-Down Converter
Fabricant YOBON TECHNOLOGIES 
Logo YOBON TECHNOLOGIES 





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YB1693 fiche technique
YB1693
3A Synchronous Step-Down Converter
Description
The YB1693 is a monolithic synchronous
buck regulator. The device integrates
130mMOSFETS that provide 2A
continuous load cur- rent over a wide
operating input voltage of 4.75V to 23V.
Current mode control provides fast
transient response and cycle-by-cycle cur-
rent limit.
An adjustable soft-start prevents inrush
current at turn-on. In shutdown mode, the
supply cur- rent drops below 1μA.
This device, available in an 8-pin SOP
pack- age, provides a very compact system
solution with minimal reliance on external
components.
Features
3A Output Current
Wide 4.75V to 23V Operating Input
Range
Integrated 100mPower MOSFET
Switches
Output Adjustable from 0.925V to 20V
Up to 95% Efficiency
Programmable Soft-Start
Stable with Low ESR Ceramic Output
Capaci- tors
Fixed 450KHz Frequency
Cycle-by-Cycle Over Current
Protection
Input Under Voltage Lockout
Thermally Enhanced 8-Pin SOP
Package
Applications
Distributed Power Systems
Networking Systems
FPGA, DSP, ASIC Power Supplies
Green Electronics/ Appliances
Notebook Computers
Typical Application Circuit
YB1693 Rev.1.1
Figure1 Typical Application Circuit
www.yobon.com.tw
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