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COTAG

YF3141 Datasheet Preview

YF3141 Datasheet

Step-up DC/DC Converter

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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




COTAG

YF3141 Datasheet Preview

YF3141 Datasheet

Step-up DC/DC Converter

No Preview Available !

COTAG
Typical Application
YF3141
Test Circuit
Figure 1: (1.1V Stat-up input Voltage)
Figure 2: (1.1V Stat-up input Voltage)
2


Part Number YF3141
Description Step-up DC/DC Converter
Maker COTAG
Total Page 11 Pages
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