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SNVSA57 – MAY 2015 LM2775 Switched Capacitor 5-V Boost Converter
1 Features 3 Description The LM2775 is a regulated switched-capacitor
doubler that produces a low-noise output voltage. The
LM2775 can supply up to 200 mA of output current
over a 3.1-V to 5.5-V input range, as well as up to
125 mA of output current when the input voltage is as
low as 2.7 V. At low output currents, the LM2775 can
reduce its quiescent current by operating in a pulse
frequency modulation (PFM) mode. PFM mode can
be enabled or disabled by driving the PFM pin to high
or low. Additionally, when the LM2775 is in shutdown,
the user can chose to have the output voltage pulled
to GND or left in a high impedance state by setting
the OUTDIS pin high or low. 1 2.7-V to 5.5-V Input Range
Fixed 5-V Output
200-mA Output Current
Inductorless Solution: Only Requires 3 Small …
