Status: | Active |
---|---|
Series: | MCP1643 |
RoHS: | Compliant |
Prices starting from US$0.97
Distributor | Stock | ||
---|---|---|---|
RS
from US$1.02
|
1,180
in stock
|
Buy Now | |
Microchip Technology
from US$0.97
|
7,542
in stock
|
Buy Now | |
Newark Electronics
from US$1.04
|
210
in stock
|
Buy Now | |
element14
from US$1.07
|
210
in stock
|
Buy Now | |
Farnell
from US$1.00
|
210
in stock
|
Buy Now | |
Transfer Multisort Elektronik
from US$1.60
|
125
in stock
|
Buy Now | |
Avnet America
from US$1.32
|
-
|
Buy Now | |
RS Americas
from US$1.56
|
-
|
Buy Now | |
EBV Elektronik
-
|
-
|
Buy Now | |
Avnet Silica
-
|
-
|
Buy Now |
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 |
Regulator Type | Step Up (Boost) |
---|---|
Switching Frequency (kHz) | 1000 |
Input Voltage Range Min | 0.5 |
Input Voltage Range Max | 5 |
Output Current | 550 |
Temp Range Min | -40 |
Temp Range Max | 85 |
Vout Min (V) | 0.6 |
Vout Max (V) | 5 |
Quiescent Current (mA) typ | 0.03 |
Light Load Efficiency Mode | No |
Switch current (A) typ | 1.8 |
Automotive Qualified | Yes |
SHUTDOWN Current (µA) (Typ) | 1.2 |
Vfb (V) | 0.12 |
Synchronous Rectifier | Yes |
Duty Cycle Max (%) | 90 |
Pins | Packaging | 8 | MSOP |
Temp Range | -40C to +85C |
Packing Media | Tube (100) |
Data Sheets |
---|
MCP1643 Data Sheet |
Application Notes |
---|
AN2041 - Battery-Powered Constant Current LED Drivers |
AN2082 - Using the MCP1643 Constant Current LED Driver for Low Start-Up Voltage Applications |
JEDEC Indicator | e3 |
---|---|
ROHS | Compliant |
China EFUP | Compliant |
Device Weight (g) | 0.0256 |
Shipping Weight (kg) | 0.07 |
Lead Count | 8 |
Package Type | MSOP |
Package Width or Size | 3x3mm |
Soldering Composition | Matte Tin |
SYNCHRONOUS BOOST CONVERTER | Microchip Technology |
0.65V-5V input LED Driver | RS |
Ic, Boost Reg, Pfm/Pwm, 1Mhz, Msop-8 | Newark Electronics |
IC, BOOST REG, PFM/PWM, 1MHZ, MSOP-8 | element14 |
IC: driver | Transfer Multisort Elektronik |
LED DRVR Boost 1-CH PWM 5V 0.55A 8-Pin MSOP T/R | Avnet America |
0.65V-5V input LED Driver8 MSOP 3x3mm TUBE | Microchip Technology Inc. MCP1643-I/MS | RS Americas |
Where can I find additional details, specifications and documents for a MCP1643-I/MS?
Additional datasheets, footprints and schematics for MCP1643-I/MS are listed on our Part Details page. You can also find images and similar parts to MCP1643-I/MS on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for MCP1643-I/MS on our Product Comparison page. Access via the 'View Pricing & Stock' button to view MCP1643-I/MS price breaks, MOQs, lead times, inventory and SKUs from distributors.
What category does MCP1643-I/MS fall under?
The MCP1643-I/MS is listed under LED Lighting Components > LED Driver ICs > DC / DC LED Driver ICs.
Can I view similar or alternative parts?
You can view similar parts to MCP1643-I/MS when available in the DC / DC LED Driver ICs range under the specifications section at the bottom of the details page.
Who can I contact for technical support of the product?
Submit any questions directly to the customer support team of the distributor listing the product. For the MCP1643-I/MS you can contact the distributor directly for product support, shipping queries etc.
Is the MCP1643-I/MS RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by Microchip Technology.
Which authorised distributors for MCP1643-I/MS have stock available?
Authorised distributors including Microchip Technology, RS, Newark Electronics, element14 and Farnell have stock available or on a lead time for MCP1643-I/MS.
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