MCP1665
High-Voltage 3.6A Integrated Switch PFM/PWM Boost Regulator
Features 36V, 100 mпЃ— Integrated Switch Up to 92% Efficiency Higher Current Compared to the Previous
MCP166x Switchers Family Output Voltage Range: Up to 32V 3.6A Typical Peak Input Current Limit:
-IOUT > 1 A at 5.0V VIN, 12V VOUT
-IOUT > 700 mA at 3.3V VIN, 12V VOUT
-IOUT > 400 mA at 4.2V VIN, 24V VOUT Input Voltage Range: 2.9V to 5V Input Undervoltage Lockout (UVLO):
-UVLO at VIN Rising: 2.9V, typical
-UVLO at VIN Falling: 2.7V, typical No Load Input Current: 250 ВµA Typically for
Pulse-Frequency Modulation (PFM), 500 ВµA
Typically for Pulse-Width Modulation (PWM) Shutdown Mode with 0.4 ВµA Typical Quiescent
Current Automatically PFM/PWM or Selected by the
MODE Pin, for High Efficiency 500 kHz PWM Operation with Skipping Mode
Operation Selectable by Dedicated MODE Pin Feedback Voltage Reference: VFB = 1.2V Cycle-by-Cycle Current Limiting Internal Compensation Inrush Current Limiting and Internal Soft Start Output Overvoltage Protection (OVP) and OpenLoad Protection (OLP) for Constant Current
Configuration Thermal Shutdown Easily Configurable for Single-ended Primaryinductor Converter (SEPIC), Cuk or Flyback
Topologies Available Package: 10-Lead 2x2 mm VQFN Applications Three-Cell Alkaline, Lithium and NiMH/NiCd
Portable Products Single-Cell Li-Ion to 5V, 12V or 24V Converters LCD Bias Supply for Portable Applications Camera Phone Flash Flashlight Battery-Powered LEDs Lighting Applications пѓЈ 2017 Microchip Technology Inc. Portable Medical Equipment Hand-Held Instruments General Description
The MCP1665 device is a compact, high-efficiency,
fixed-frequency, nonsynchronous step-up DC-DC
converter that integrates a 36V, 100 mпЃ— NMOS switch.
It provides a space-efficient high-voltage step-up
power supply solution for applications powered by
either three-cell alkaline, Ultimate Lithium, NiCd, NiMH, …