MCP1661T-E/OT

The MCP1661T-E/OT is a high-voltage integrated switch PWM Boost Regulator with UVLO. The MCP1661 device is a compact, high-efficiency, fixed-frequency, non-synchronous step-up DC-DC converter which integrates a 36V, 800mΩ 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, ultimate lithium, NiCd, NiMH, one-cell Li-ion or Li-polymer batteries. The integrated switch is protected by the 1.3A cycle-by-cycle inductor peak current limit operation. There is an output overvoltage protection which turns off switching in case the feedback resistors are accidentally disconnected or the feedback pin is short-circuited to GND.

• 36V, 800mΩ Integrated switch
• Up to 92% efficiency
• 1.3A Peak input current limit
• Under-voltage lockout (UVLO)
• 250μA Typical no load input current
• Sleep mode with 200nA typical quiescent current
• VFB = 1.227V Feedback voltage reference
• Cycle-by-cycle current limiting
• Internal compensation
• Inrush current limiting and internal soft start
• Output overvoltage protection (OVP) in the event of feedback pin shorted to GND
• Easily configurable for SEPIC or Flyback topologies

Applications

Power Management, Portable Devices, Medical

Warnings

ESD sensitive device, take proper precaution while handling the device. Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.