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说明

MCP1663设备是一款紧凑、高效、固定频率、非同步升压直流DC转换器，集成了一个36V、400 m的NMOS开关。它为由两电池或三电池碱性电池、锂电池、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一种节省空间的高压升压电源解决方案。

特性

• Up to 92% Efficiency
• High Output Voltage Range: up to 32V
• IOUT>375 mA @ 5.0V VIN, 12V VOUT
• IOUT>200 mA @ 3.3V VIN, 12V VOUT
• IOUT> 150 mA @ 4.2V VIN, 24V VOUT
• Input Voltage Range: 2.4V to 5.5V
• UVLO@VIN Rising: 2.3V, typical
• UVLO@VIN Falling: 1.85, typical
• No Load Input Current: 250 µA, typical
• Sleep mode with 200 nA Typical Quiescent Current
• PWM Operation with Skip mode: 500 kHz
• Feedback Voltage Reference: VFB= 1.227V
• Cycle-by-Cycle Current Limiting
• Internal Compensation
• Inrush Current Limiting and Internal Soft-Start
• Feedback pin shorted to GND
• Disconnected feedback divider
• Overtemperature Protection
• Easily Configurable for SEPIC or Flyback Topologies
• Available Packages: 5-Lead SOT-23 or2x3 8-Lead TDFN

参数