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MCP1640-I/MC
直流-直流开关升压逐步递增稳压器, 可调, 650mV-5.5V输入, 2V-5.5V输出, 350mA输出, DFN-8
产品范围选择器 (AEC-Q100)
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The MCP1640-I/MC is a 0.65V start-up synchronous Boost Regulator with true output disconnect or input/output bypass option. The MCP1640 is a compact high-efficiency fixed frequency synchronous step-up DC-DC converter provides an easy-to-use power supply solution for applications powered by either one-cell, two-cell or three-cell alkaline, NiCd, NiMH, one-cell Li-ion or Li-polymer batteries. It provides very high efficiency through integration of the low resistance N-channel boost switch and synchronous P-channel switch. Low-voltage technology allows the regulator to start-up without high inrush current or output voltage overshoot from a low 0.65V input. High efficiency is accomplished by integrating the low resistance N-channel boost switch and synchronous P-channel switch. All compensation and protection circuitry is integrated to minimize the number of external components.
- Up to 96% typical efficiency
- 800mA Typical peak input current limit
- 0.65V Low start-up voltage
- 0.35V Operating input voltage
- Automatic PFM/PWM operation
- PWM operation at 500kHz
- 19µA Typical PFM mode low device quiescent current
- <1µA Shutdown current (all states)
- Internal synchronous rectifier
- Internal compensation
- Inrush current limiting and internal soft-start
- True load disconnect shutdown
- Low noise, anti-ringing control
- Over-temperature protection
应用
电源管理, 医用, 无线, 传感与仪器, 车用
警告
ESD sensitive device, take proper precaution while handling the device.
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