The LT®3061 is a micropower, low dropout (LDO) linear
regulator that operates over a 1.6V to 45V supply range
and is available in a series of fixed output and adjustable
versions. The device supplies 100mA of output current
with a typical dropout voltage of 250mV. A single external
capacitor provides programmable low noise reference
performance and output soft-start functionality. The
LT3061’s quiescent current is merely 45μA and provides
fast transient response with a minimum 3.3μF output capacitor. In shutdown, quiescent current is less than 3μA
and the reference soft start capacitor is reset.
The LT3061 features an NMOS pull-down that discharges
the output when SHDN or IN is driven low.
Internal protection circuitry includes reverse-battery
protection, reverse-current protection, current limit with
foldback and thermal shutdown.
The LT3061 is available in fixed output voltages of 3.3V
and 5V, and as an adjustable device with an output voltage
range from the 600mV reference up to 19V. The LT3061
is offered in the thermally enhanced 8-lead 2mm × 3mm
DFN and MSOP packages.
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