MCP1640 - Uncategorized Microchip - Free user manual and instructions
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| Product Type | Boost Converter (Step-Up) IC |
| Package | SOT-23-6 |
| Dimensions (Package) | 2.9 mm x 2.8 mm |
| Weight (Typical) | 0.015 g |
| Input Voltage Range | 0.65 V to 5.5 V |
| Output Voltage Range | 2.0 V to 5.5 V (Adjustable) |
| Switching Frequency | 500 kHz (Typical) |
| Maximum Output Current | Up to 150 mA at 3.3V Output |
| Typical Efficiency | Up to 96% |
| Quiescent Current | 19 µA (Typical) |
| Shutdown Current | < 1 µA |
| Protection Features | Overcurrent Protection, Thermal Shutdown |
| Operating Temperature Range | -40°C to +85°C |
| Typical Applications | Portable Electronics, Battery-Powered Devices, IoT sensors |
| Manufacturer | Microchip Technology |
Frequently Asked Questions - MCP1640 Microchip
What is the MCP1640?
The MCP1640 is a boost converter (step-up DC/DC) integrated circuit from Microchip, designed to generate a higher output voltage from a lower input voltage.
What is the typical input voltage range?
It operates from 0.65V to 5.5V, allowing startup from a single alkaline or NiMH cell.
How do I set the output voltage?
The output voltage is set using an external resistor divider connected to the FB pin. Refer to the datasheet for the formula.
What inductor value should I use?
A typical inductor value is 4.7 µH to 10 µH, with a saturation current rating higher than the peak current.
Can I use the MCP1640 in low-power applications?
Yes, it has a low quiescent current of 19 µA, making it suitable for battery-powered devices.
Does the MCP1640 have built-in protection?
It includes overcurrent protection and thermal shutdown.
What is the maximum output current?
It can deliver up to 150 mA at 3.3V output from a 1.2V input.
Is the MCP1640 available in a lead-free package?
Yes, it is available in a RoHS-compliant SOT-23-6 package.
Can I use the MCP1640 for a 5V output?
Yes, the output can be adjusted up to 5.5V, but efficiency may vary.
Where can I find the datasheet?
The datasheet is available on Microchip's website or through the manual download on notice-facile.com.
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USER MANUAL MCP1640 Microchip
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Product information
Brand : Microchip
Model : MCP1640
Category : Uncategorized