Datasheet Microchip MCP1642DT-50I/MS — Ficha de datos

MCP1642B/D
1.8A Input Current Switch, 1 MHz Low-Voltage Start-Up
Synchronous Boost Regulator
Features General Description Up to 96% Typical Efficiency 1.8A Typical Peak Input Current Limit:
-IOUT > 175 mA @ 1.2V VIN, 3.3V VOUT
-IOUT > 600 mA @ 2.4V VIN, 3.3V VOUT
-IOUT > 800 mA @ 3.3V VIN, 5.0V VOUT
-IOUT > 1A @ VIN > 3.6V, 5.0V VOUT Low Start-Up Voltage: 0.65V, typical 3.3V VOUT
@ 1 mA Low Operating Input Voltage: 0.35V, typical 3.3V
VOUT @ 1 mA Output Voltage Range:
-Reference Voltage, VFB = 1.21V
-1.8V to 5.5V for the adjustable device option
-1.8V, 3.0V, 3.3V and 5.0V for fixed VOUT
options Maximum Input Voltage п‚Ј VOUT < 5.5V PWM Operation: 1 MHz
-Low Noise, Anti-Ringing Control Power Good Open-Drain Output Internal Synchronous Rectifier Internal Compensation Inrush Current Limiting and Internal Soft-Start Selectable, Logic-Controlled Shutdown States:
-True Load Disconnect Option (MCP1642B)
-Input-to-Output Bypass Option (MCP1642D) Shutdown Current (All States): 1 ВµA Overtemperature Protection Available Packages:
-8-Lead MSOP
-8-Lead 2x3 DFN The
MCP1642B/D
devices
are
compact, …