Microchip Switching Regulator, Surface, 5V dc Output Voltage 5V dc, 550 mA Output Current, 1 Outputs

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HK$106.20

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10 - 10HK$10.62HK$106.20
20 - 40HK$10.34HK$103.40
50 - 70HK$10.10HK$101.00
80 - 90HK$9.85HK$98.50
100 +HK$9.59HK$95.90

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RS Stock No.:
232-6029
Mfr. Part No.:
MCP1643-I/MS
Manufacturer:
Microchip
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Brand

Microchip

Product Type

Switching Regulator

Output Voltage 1

5V dc

Output Current

550mA

Mount Type

Surface

Number of Outputs

1

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

85°C

Series

MCP

Number of Pins

8

Package Type

MSOP

Width

6mm

Standards/Approvals

RoHS, JEDEC

Length

6mm

Depth

0.9mm

Maximum Input Voltage

5V dc

Minimum Input Voltage

5V dc

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

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

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