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LTC3549

250mA Low VIN Buck Regulator

Description

LTC3549 250mA Low VIN Buck Regulator in 2mm × 3mm DFN U U FEATURES ■ 1.6V to 5.5V Input Voltage Range ■ Internal Soft-Start ■ Low Ripple Burst Mode® Operation Output Ripple: <20mVP-P IQ: 50µA ■ 2.25MHz Constant-Frequency Operation ■ High Efﬁciency: Up to 93% ■ 250mA Output Current (VIN = 1.8V, VOUT = 1.2V) ■ 450mA Peak Inductor Current ■ No Schottky Diode ...

Linear Technology

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