WD1042 1.5MHz, 1.0A, Step-down DC-DC Converter
●The WD1042 is a high efficiency, synchronous step down DC-DC converter optimized for battery powered portable applications. It supports up to 1.0A output 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 WD1042 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 WD1042 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 : 1.0A
●Switching frequency : 1.5MHz (Typ.)
●Efficiency : Up to 92%
●Feedback reference voltage : 0.6V
●100% duty cycle for low dropout operation
●Adjustable Output Voltage
| 世强硬创平台www.sekorm.com | |
| 世强硬创平台电子商城www.sekorm.com/supply/ | |
| 世强硬创平台www.sekorm.com | |
| 世强硬创平台www.sekorm.com |
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