LTC3528/LTC3528B 1A, 1MHz Synchronous Step-Up DC/DC Converters in 3mm × 2mm DFN FEATURES ■ Delivers 3.
3V at 200mA from a Single Alkaline/ NiMH Cell or 3.
3V at 400mA from Two Cells ■ VIN Start-Up Voltage: 700mV ■ 1.
6V to 5.
25V VOUT Range ■ Up to 94% Efficiency ■ Output Disconnect ■ 1MHz Fixed Frequency Operation ■ VIN VOUT Operation ■ Integrated Soft-Start ■ Current Mode Control with Internal Compensation ■ Burst Mode® Operation with 12µA Quiescent Current (LTC3528) ■ Low Noise PWM Operation (LTC3528B) ■ Internal Synchronous Rectifier ■ Logic Controlled Shutdown: 1µA ■ Anti-Ringing Control ■ Low Profile (3mm × 2mm × 0.
75mm) DFN Package APPLICATIONS ■ Medical Instruments ■ Flash-Based MP3 ...

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