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LTC1874 - Dual Constant Frequency Current Mode Step-Down DC/DC Controller

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LTC1874 Dual Constant Frequency Current Mode Step-Down DC/DC Controller FEATURES s s s s s s s s DESCRIPTIO s s s s s s High Efficiency: Up to 94% High Output Currents Easily Achieved Wide VIN Range: 2.5V to 9.8V Constant Frequency 550kHz Operation Burst ModeTM Operation at Light Load Low Dropout: 100% Duty Cycle 0.8V Reference Allows Low Output Voltages Current Mode Operation for Excellent Line and Load Transient Response Low Quiescent Current: 270µA (Each Controller) Separate Shutdown Pin for Each Controller Shutdown Mode Draws Only 8µA Supply Current (Each Controller) ± 2.
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