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说明

MCP1624/3是紧凑、高效、固定频率、同步升压DC-DC转换器。两者都为由单电池/两电池/三电池碱性电池、镍镉电池、镍氢电池、单电池锂离子电池或锂聚合物电池供电的应用提供了易于使用的电源解决方案。MCP1624/3可以与任何PIC®微控制器配对，为任何单电池或低压应用带来灵活的智能。

特性

• Up to 96% Typical Efficiency
• IOUT > 50 mA @ 1.2V VIN, 3.3V VOUT
• IOUT > 175 mA @ 2.4V VIN, 3.3V VOUT
• IOUT > 175 mA @ 3.3V VIN, 5.0V VOUT
• Low Start-up Voltage: 0.65V
• Operating Input Voltage: 0.35V to 5.5V
• Adjustable Output Voltage Range: 2.0V to 5.5V
• Maximum Input Voltage < VOUT < 5.5V
• Automatic PFM/PWM Operation
• PWM Operation at 500 kHz
• Low Device Quiescent Current: 19 µA – typical PFM Mode
• Shutdown Current (All States): < 1 µA
• Internal Synchronous Rectifier
• Internal Compensation
• Inrush Current Limiting and Internal Soft-Start
• True Load Disconnect Shutdown
• Low Noise, Anti-Ringing Control
• Over-temperature Protection
• Small Form Factor SOT23-6 Packaging

参数