LTC3549 - 250mA Low VIN Buck Regulator

Linear Technology (now Analog Devices)

Key Features

1.6V to 5.5V Input Voltage Range.
Internal Soft-Start.
Low Ripple Burst Mode® Operation Output Ripple:.

LTC3549 250ma low vin buck regulator by Linear Technology (now Analog Devices) - Datasheet Preview

Datasheet Details

Part number	LTC3549
Manufacturer	Linear Technology (now Analog Devices)
File Size	361.05 KB
Description	250mA Low VIN Buck Regulator
Datasheet	LTC3549 Datasheet

Full PDF Text Transcription for LTC3549 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for LTC3549. For precise diagrams, and layout, please refer to the original PDF.

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 Ripp...

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e ■ 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 Required ■ Low Dropout Operation: 100% Duty Cycle ■ 0.611V Reference Voltage ■ Stable with Ceramic Capacitors ■ Shutdown Mode Draws <1µA Supply Current ■ Current Mode Operation for Excellent Line and Load Transient Response ■ Overtemperature Protection ■ Available in a Low Proﬁle (0.

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