| Allicdata Part #: | MCP1640-I/MC-ND |
| Manufacturer Part#: |
MCP1640-I/MC |
| Price: | $ 0.43 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Microchip Technology |
| Short Description: | IC REG BOOST ADJ 0.35A SYNC 8DFN |
| More Detail: | Boost Switching Regulator IC Positive Adjustable 2... |
| DataSheet: |  MCP1640-I/MC Datasheet/PDF |
| Quantity: | 1848 |
| 1 +: | $ 0.39690 |
| 25 +: | $ 0.32458 |
Specifications
| Voltage - Output (Min/Fixed): | 2V |
| Base Part Number: | MCP1640 |
| Supplier Device Package: | 8-DFN (3x2) |
| Package / Case: | 8-VFDFN Exposed Pad |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 125°C (TJ) |
| Synchronous Rectifier: | Yes |
| Frequency - Switching: | 500kHz |
| Current - Output: | 350mA |
| Voltage - Output (Max): | 5.5V |
| Series: | -- |
| Voltage - Input (Max): | 5.5V |
| Voltage - Input (Min): | 0.8V |
| Number of Outputs: | 1 |
| Output Type: | Adjustable |
| Topology: | Boost |
| Output Configuration: | Positive |
| Function: | Step-Up |
| Part Status: | Active |
| Packaging: | Tube |
Description
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The MCP1640-I/MC is a fixed-voltage DC-DC switching regulator that is typically used in battery-powered systems, providing both charge and delivery of power. It is a low-voltage design that is capable of delivering up to 500mA of load current. It is designed with a low quiescent current to conserve battery life and is capable of operation down to as low as 0.5V input. The device is designed to offer high efficiency and is tolerant of input voltage spikes and transients.
The MCP1640-I/MC includes an integrated power MOSFET switch and an inductor, which are used for the power conversion duties. The built-in boost converter topology provides a regulated output voltage without the need for an external control loop. The output voltage is determined by a resistor divider network, which is connected between the output pin, FB, and ground. The MCP1640-I/MC also includes a selectable “sleep” mode, which lowers the quiescent current to 600nA, so it can run for longer periods of time without draining the battery.
The MCP1640-I/MC provides a simple solution for portable applications that require a low-voltage and low-noise power supply. The device is available in an SOIC-8 package and is capable of operation over an input voltage range of 2.0V to 5.5V. Additionally, it is designed to reduce the cost and complexity of implementing solutions that require a regulated voltage. The regulated output voltage of the device can be set by adjusting the external resistor divider connected to the FB pin.
In addition to the charge and delivery of power, the MCP1640-I/MC provides several robust protection features. These include built-in thermal protection, over-voltage protection, under-voltage protection, and over-current protection to ensure maximum power efficiency and longevity. Additionally, the device includes a soft-start function to ensure a smooth input voltage ramp up and prevent the device from being overloaded.
For applications that require a higher level of accuracy, the MCP1640-I/MC also allows for a regulated output voltage setting range of 0.8V to 5.0V. This range is set using an external resistor divider connected to the FB pin. The device also features a programmable switching frequency of 1.25MHz to 2MHz, allowing users to achieve very low ripple and noise.
Overall, the MCP1640-I/MC is an ideal solution for both charge and delivery of power in battery-powered systems. It is designed to provide a simple and reliable solution with very low quiescent current, high efficiency, low noise, and protection against voltage, current, and thermal stresses.
The specific data is subject to PDF, and the above content is for reference
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