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CYT2606L
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PFM Step-Up DC-DC Converter
General Description
The CYT2606L Series are PFM step-up DC-DC
converters with very low ripple noise due to the
high
operation
frequency.
The
maximum
operation frequency is 400KHz.
Only three components are required to realize the
conversion from the battery voltage to a selected
output voltage.
A driver pin (EXT) is provided for driving
external power transistor to extend the output
current capability where large current is required.
Enable pin (EN) is also provided so that the
circuit can be powered down.
Ordering Information
Features
400KHz Maximum Operation Frequency
2.0V to 5.0V Output Voltage With 0.1V Step
Low Start-up Voltage: 0.8V at 1mA
±2% Output Voltage Accuracy
Up to 88% Efficiency
Output current: 300mA at 2.5V input, 3.3V
output
Low Ripple and Low Noise
Output
Current
Extendable
by
External
Switch
Applications
Power source for applications where a higher
voltage than the battery voltage is required
One to three cell battery devices
Power
source
for
cameras,
camcorders,
VCRs,
PDAs,
pagers
and
hand
held
communication instrument
Typical Applications
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Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
