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

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HK$103.10

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10 - 10HK$10.31HK$103.10
20 - 40HK$10.04HK$100.40
50 - 70HK$9.81HK$98.10
80 - 90HK$9.56HK$95.60
100 +HK$9.31HK$93.10

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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 Current

550mA

Mount Type

Surface

Maximum Operating Temperature

85°C

Minimum Operating Temperature

-40°C

Series

MCP

Number of Pins

8

Package Type

MSOP

Depth

0.9mm

Length

6mm

Standards/Approvals

RoHS, JEDEC

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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