WD1033 1.5MHz, 2A, Step-down DC-DC Converter
■The WD1033 is a high efficiency, synchronous step down DC-DC converter optimized for battery powered portable applications. It supports up to 2Aoutput current. With a wide input voltage range of 2.5V to 5.5V, the device supports applications powered by single Li-ion battery with extended voltage range, two and three alkaline cell, 3.3V and 5V input voltage range. The WD1033 operates at 1.5MHz fixed switching frequency with Pulse-Width-Modulation (PWM) and enters Pulse-Skipping-Modulation (PSM) operation at light load current to maintain high efficiency over the entire load current range.
■The switching frequency is internally set at 1.5MHz, allowing the use of tiny surface mount inductor and input/output capacitors. Low output voltage is easily supported with the 0.6V feedback reference voltage.
■The WD1033 is available in SOT-23-5L package. Standard product is Pb-free and Halogen-free.
●Features:
■Input voltage range: 2.5~5.5V
■Continue output current: 2A
■Switching frequency: 1.5MHz (Typ.)
■Efficiency: Up to 94%
■Feedback reference voltage: 0.6V
■100% duty cycle for low dropout operation
■Adjustable Output Voltage
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[ Cellphones ][ PADs ][ STBs ][ DSCs ] |
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Datasheet |
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Please see the document for details |
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SOT-23-5L |
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English Chinese Chinese and English Japanese |
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Jan.2018 |
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Rev. 1.0.1 |
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1 MB |
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