YF3141 Datasheet: Step-up DC/DC Converter





YF3141 Step-up DC/DC Converter Datasheet

Part Number YF3141
Description Step-up DC/DC Converter
Manufacture COTAG
Total Page 11 Pages
PDF Download Download YF3141 Datasheet PDF

Features: COTAG HYFX31104011 Tiny Package, High E fficiency, Step-up DC/DC Converter Fea tures Input Voltage Range: 1.1V~5.5V In ternal MOSFET with high switch current up to 3A Shutdown Mode Supply Current: <5µA 90% Efficiency Up to 450kHz Switc hing Frequency Using Internal Power Swi tches SOT-23-6 Package Applications PDA DSC LCD Panel RF-Tags MP3 Portable Ins truments Wireless Equipments Descripti on The YF3141 is a compact, high effici ency, and low voltage step-up DC/DC con verter including an error amplifier, ra mp generator, comparator, switch pass e lement and driver in which providing a stable and high efficient operation ove r a wide range of load currents. It ope rates in stable waveforms without exter nal compensation. The low start-up inpu t voltage below 1.1V. The high switchin g rate minimized the size of external c omponents. Besides, the 25µA low quies cent current together with high efficie ncy maintains long battery lifetime. Th e output voltage is set with two external resistors. The YF3141 i.

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COTAG
HYFX31104011
Tiny Package, High Efficiency, Step-up
DC/DC Converter
Features
Input Voltage Range: 1.1V~5.5V
Internal MOSFET with high switch
current up to 3A
Shutdown Mode Supply Current: <5µA
90% Efficiency
Up to 450kHz Switching Frequency
Using Internal Power Switches
SOT-23-6 Package
Applications
PDA
DSC
LCD Panel
RF-Tags
MP3
Portable Instruments
Wireless Equipments
Description
The YF3141 is a compact, high efficiency, and
low voltage step-up DC/DC converter including
an error amplifier, ramp generator, comparator,
switch pass element and driver in which
providing a stable and high efficient operation
over a wide range of load currents. It operates in
stable waveforms without external
compensation.
The low start-up input voltage below 1.1V. The
high switching rate minimized the size of
external components. Besides, the 25µA low
quiescent current together with high efficiency
maintains long battery lifetime. The output
voltage is set with two external resistors.
The YF3141 is available in the industry
standard SOT-23-6 power packages.
1

                    
           






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