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LTC3427
500mA, 1.25MHz Synchronous Step-Up DC/DC Converter in 2mm × 2mm DFN Package
FEATURES
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DESCRIPTIO
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High Efficiency: Up to 94% 3.3V at 200mA from Two Alkaline Cells 5V at 200mA from a Single Li-Ion Cell Inrush Current Limiting and Soft-Start Output Disconnect in Shutdown 1.8V to 5V VIN Range 1.8V to 5.25V VOUT Range 1.25MHz Fixed Frequency, Low Noise PWM Internal Synchronous Rectifier Logic Controlled Shutdown (<1µA) Anti-Ringing Control Minimizes EMI Tiny External Components Short-Circuit Protection Low Profile (0.75mm × 2mm × 2mm) DFN Package
The LTC®3427 is the industry’s first high efficiency, fixed frequency, step-up DC/DC converter with true output disconnect in a 6-lead 2mm × 2mm DFN package.