Datasheet Microchip MCP1643

ManufacturerMicrochip
SeriesMCP1643

MCP1643 is a compact, high-efficiency, fixed frequency, synchronous step-up LED driver with constant current, that operates from one and two-cell alkaline and NiMH/NiCd batteries

Datasheets

Datasheet PDF, 745 Kb, Revision: 08-20-2013
MCP1643 Data Sheet
Docket

Prices

Status

MCP1643-I/MCMCP1643-I/MSMCP1643-I/MSVAOMCP1643T-I/MCMCP1643T-I/MSMCP1643T-I/MSVAO
Lifecycle StatusProduction (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)

Packaging

MCP1643-I/MCMCP1643-I/MSMCP1643-I/MSVAOMCP1643T-I/MCMCP1643T-I/MSMCP1643T-I/MSVAO
PackageDFNMSOPMSOPDFNMSOPMSOP
Pins888888

Parametrics

Parameters / ModelsMCP1643-I/MCMCP1643-I/MSMCP1643-I/MSVAOMCP1643T-I/MCMCP1643T-I/MSMCP1643T-I/MSVAO
Automotive QualYesYesYesYesYesYes
Duty Cycle Max, %909090909090
Input Voltage Range Max, V555555
Input Voltage Range Min(V)0.50.50.50.50.50.5
Light Load Efficiency ModeNoNoNoNoNoNo
Operating Temperature Range, °C-40 to +85-40 to +85-40 to 85-40 to +85-40 to +85-40 to 85
Output Voltage Range Max, V555555
Output Voltage Range Min, V0.60.60.60.60.60.6
Quiescent Current, mA) typ0.030.030.030.030.030.03
SHUTDOWN Current, µA1.21.21.21.21.21.2
Switch current, A) typ1.81.81.81.81.81.8
Switching Frequency, kHz100010001000100010001000
Synchronous RectifierYesYesYesYesYesYes
Vfb, V0.120.120.120.120.120.12

Eco Plan

MCP1643-I/MCMCP1643-I/MSMCP1643-I/MSVAOMCP1643T-I/MCMCP1643T-I/MSMCP1643T-I/MSVAO
RoHSCompliantCompliantCompliantCompliantCompliantCompliant

Model Line

Manufacturer's Classification