The MCP1661 device is a compact, high-efficiency, fixed-frequency, non-synchronous step-up DC-DCconverter which integrates a 36 V, 800 NMOS switch. It provides a space-efficient high-voltage step-up power supply solution for applications powered by either two-cell or three-cell alkaline, Lithium, NiCd, NiMH, one-cell Li-Ion or Li-Polymer batteries.
• Up to 92% Efficiency
• High Output Voltage Range: up to 32 V
• 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= 1.227 V
• Cycle-by-Cycle Current Limiting
Technical Data:
• Active Suppy: 250 µA
• Switching Frequency: 500 kHz
• Output Current: 200 mA
• Output Voltage: up to 32 V
• Input Voltage: 2,4 ... 5,5 V
