DC947A, Demonstration Board using LT3740EDHC wide operating range, valley mode, synchronous step-down controller
使用 Analog Devices 的 LT3740EDHC 的参考设计
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- Backplane Distributed Power
- Computers and Peripherals
- Notebook
- Personal Digital Assistant
- Portable
说明
- DC947A, Demonstration Board using LT3740EDHC wide operating range, valley mode, synchronous step-down controller. It produces 1.8VDC for loads up to 10A from an input range of 3-15VDC, switching at a fixed frequency of 300KHz. In order to operate from an input voltage as low as 3V, the circuit must provide adequate voltage to drive the external power MOSFETs. To this end, the LT3740 includes an on-chip step-up converter to provide a bias about 7V above the input voltage to power the top MOSFET gate driver
主要特色
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Conversion TypeDC to DC
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Input Voltage3 to 15 V
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Output Voltage1.8 V
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Output Current10 A
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TopologyBuck
Featured Parts (2)
| 零件编号 | 供应商 | 类别 | 说明 | |||
|---|---|---|---|---|---|---|
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LT3740EDHC#TRPBF | Analog Devices | DC to DC Controllers | DC/DC Cntrlr Single-OUT Step Down 330kHz 16-Pin DFN EP T/R | 买入 | |
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LT3740EDHC#PBF | Analog Devices | DC to DC Controllers | DC/DC Cntrlr Single-OUT Step Down 330kHz 16-Pin DFN EP Tube | 买入 | |