Datasheet Linear Technology LTC3335IUDC#PBF

LTC3335
Nanopower Buck-Boost
DC/DC with Integrated
Coulomb Counter
Description Features 680nA Input Quiescent Current (Output in
Regulation at No Load)
n 1.8V to 5.5V Input Operating Range
n Selectable Output Voltages of 1.8V, 2.5V, 2.8V,
3V, 3.3V, 3.6V, 4.5V, 5V
n Integrated Coulomb Counter Measures
Accumulated Battery Discharge
n В±5% Battery Discharge Measurement Accuracy
n Programmable Peak Input Current of 5mA, 10mA,
15mA, 25mA, 50mA, 100mA, 150mA, 250mA
n Up to 50mA of Output Current
n Up to 90% Efficiency
n Programmable Coulomb Counter Prescaler for Wide
Range of Battery Sizes
n Programmable Discharge Alarm Threshold
n I2C Interface
n Low Profile (0.75mm) 20-Lead (3mm Г— 4mm) QFN
Package The LTCВ®3335 is a high efficiency, low quiescent current
(680nA) buck-boost DC/DC converter with an integrated …