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Microchip 1-Channel Boost Regulator Open Drain 5.5V 1.8V 175mA 8-Pin SOP MCP1642B-50I/MS
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Model | MCP1642B-50I/MS |
| Output type | Open Drain |
| Topology | Boost |
| Maximum Operating Temperature | 125°C |
| Package Type | SOP |
| Minimum Operating Temperature | -40°C |
| Number of outputs | 1 |
| Maximum Switching Frequency | 1MHz |
| Maximum Output Current | 800mA |
| Standards/Approvals | RoHS |
| Maximum Output Voltage | 5.5V |
| Minimum Input Voltage | 350mV |
| Pin Count | 8 |
| Minimum Output Voltage | 1.8V |
| Minimum Output Current | 175mA |
Key Features
- Supports maximum output voltage of 5.5 V and minimum output voltage of 1.8 V.
- Operates with input voltage range from 350 mV to 5.5 V.
- Maximum output current rating up to 800 mA with minimum current of 175 mA.
- Integrated synchronous boost regulation with internal synchronous rectifier.
- Fixed switching frequency up to 1 MHz optimizing filter size.
- Wide operating temperature range from -40°C to 125°C for industrial use.
- Includes inrush current limiting and internal soft-start for safe operation.
- Low shutdown current of 1 µA minimizes power consumption.
Product Description
Microchip MCP1642B-50I/MS is a synchronous boost regulator designed for compact, high-efficiency step-up DC-DC conversion applications. It delivers regulated output voltage with low start-up voltage as low as 0.65 V and operates efficiently from a low input voltage of 0.35 V. The device supports output voltages up to 5.5 V and output currents up to 800 mA, making it suitable for power supply solutions using various battery chemistries including alkaline, NiMH, Li-Ion, and Li-Polymer cells.
The integrated low-resistance N-Channel Boost switch and synchronous P-Channel switch ensure efficiencies up to 96% under typical conditions. Internal synchronous rectification reduces losses and allows for a compact design minimizing external components.
The MCP1642B-50I/MS features an open drain output that indicates when the output voltage is within 10% of regulation, enabling straightforward interfacing with microcontrollers and logic systems. Additional features include inrush current limiting, internal compensation, shutdown current of only 1 µA, and comprehensive thermal protection that enhances device reliability in demanding industrial and commercial environments.
This device is RoHS compliant and suitable for applications in consumer electronics, battery-powered instrumentation, industrial control systems, and portable devices requiring efficient voltage stepping.
This boost regulator operates at a fixed switching frequency of up to 1 MHz for compact filter design. Wide temperature operation from -40°C to 125°C suits automotive and industrial use cases. Low start-up and operating voltage capability allows operation from single-cell batteries.
Highly efficient synchronous design reduces power dissipation. Open drain output facilitates system status monitoring and integration.
The Microchip MCP1642B-50I/MS is categorized under Power Management ICs and DC-DC Converters, offering an ideal solution for power-sensitive applications requiring stable voltage regulation and compact footprint.
EnvMart customers seeking reliable and efficient boost regulators for electronics design and manufacturing can explore this product for their projects.
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Frequently Asked Questions
The maximum output voltage of this model is 5.5 V.
It operates with an input voltage range from 350 mV to 5.5 V.
The maximum output current rating is 800 mA, with a minimum output current of 175 mA.
This model operates within a wide temperature range from -40°C to 125°C.
It has a maximum switching frequency of up to 1 MHz.
This boost regulator features an open drain output.
The package type for this model is SOP with 8 pins.
Yes, this device is RoHS compliant.
It is suitable for various battery chemistries including alkaline, NiMH, Li-Ion, and Li-Polymer cells.
It includes inrush current limiting and internal soft-start for safe operation.
This model is suitable for applications in consumer electronics, battery-powered instrumentation, and industrial control systems.
The minimum input voltage required for operation is 350 mV.
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