MCP1643-I/MS

Name: MCP1643-I/MS
Brand: Microchip
Rating: 4.5 (10 reviews)

Conv DC-DC 0.5V to 5V Synchronous Step Up Single-Out 0.6V to 5V 0.55A Automotive AEC-Q100 8-Pin MSOP Tube

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Part Number : MCP1643-I/MS
Package/Case : 8-MSOP
Brands : MICROCHIP
Components Categories : LED Drivers
Datesheet : MCP1643-I/MS DataSheet (PDF)

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Overview of MCP1643-I/MS

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. The device can also drive two red/green/yellow series connection LEDs.

Key Features

1.6A Typical Peak Input Current Limit
Up to 550 mA LED Load Current
Low Start-up Voltage: 0.65V (typical, 25 mA LED Current)
Low Operating Input Voltage: down to 0.5V
Maximum Input Voltage < VLED<5.0V
Maximum Output Voltage: 5.0V
Overvoltage Protection
Low Reference Voltage: VFB= 120 mV
Pulse-Width Modulation Mode Operation (1 MHz)
Internal Synchronous Rectifier
Internal Compensation
Inrush Current Limiting
Internal Soft-Start (240 µs typical)
Shutdown (EN = GND): True Load Disconnect
Dimming Control by Variable Duty Cycle
Shutdown Current: 1.2 µA (typical)
Overtemperature protection
Packages:MSOP-8, 2x3 DFN-8

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Manufacturer	Microchip	Product Category	Switching Voltage Regulators
RoHS	Details	Output Voltage	5 V
Output Current	1.6 A	Input Voltage, Max	5 V
Number of Outputs	1 Output	Topology	Boost
Package / Case	MSOP-8	Mounting Style	SMD/SMT
Switching Frequency	1 MHz	Quiescent Current	1.2 uA
Minimum Operating Temperature	- 40 C	Maximum Operating Temperature	+ 85 C
Qualification	AEC-Q100	Input Voltage, Min	500 mV
Brand	Microchip Technology	Moisture Sensitive	Yes
Product	Switching Regulators	Product Type	Switching Voltage Regulators
Shutdown	Shutdown	Factory Pack Quantity	100
Subcategory	PMIC - Power Management ICs	Type	Synchronous Boost Converter
Unit Weight	0.004938 oz

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