| Allicdata Part #: | MCP1642DT-18I/MC-ND |
| Manufacturer Part#: |
MCP1642DT-18I/MC |
| Price: | $ 0.58 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Microchip Technology |
| Short Description: | IC REG BOOST SYNC 1.8V 1.8A |
| More Detail: | Boost Switching Regulator IC Positive Fixed 1.8V 1... |
| DataSheet: |  MCP1642DT-18I/MC Datasheet/PDF |
| Quantity: | 1000 |
| 3300 +: | $ 0.53210 |
Specifications
| Voltage - Output (Min/Fixed): | 1.8V |
| Base Part Number: | MCP1642 |
| Supplier Device Package: | 8-DFN (2x3) |
| Package / Case: | 8-VFDFN Exposed Pad |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Synchronous Rectifier: | Yes |
| Frequency - Switching: | 1MHz |
| Current - Output: | 800mA |
| Voltage - Output (Max): | -- |
| Series: | -- |
| Voltage - Input (Max): | 5.5V |
| Voltage - Input (Min): | 0.65V |
| Number of Outputs: | 1 |
| Output Type: | Fixed |
| Topology: | Boost |
| Output Configuration: | Positive |
| Function: | Step-Up |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
Description
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MCP1642DT-18I/MC is a DC-DC switching regulator that uses a voltage-mode control method to achieve an efficient power conversion. This device operates over a wide input voltage range of 2.7 V to 18 V for the primary input and an adjustable output voltage range from 0.8 V to 18 V. It has a high efficiency up to 95%, a low stand-by current of only 100 nA, and a high peak current of 2.6 A. The switching frequency of the regulator is fixed at 1.2 MHz. The MCP1642DT-18I/MC is available in the TO-220 package for flexible PCB design and thermal management.The working principle of MCP1642DT-18I/MC is based on a voltage-mode PWM control that regulates the output voltage. It uses a voltage-mode PWM regulator to reduce the output voltage ripple while maintaining the system efficiency. The voltage-mode PWM controller employs a shunt resistor to sense the output voltage and a feedback loop to adjust the switching duty cycle of the output stage accordingly. The controller generates an internal reference voltage that corresponds to the desired output voltage. This voltage is compared with the feedback voltage. If the feedback voltage is higher than the reference voltage, the duty cycle is decreased to reduce the output voltage; if the feedback voltage is lower, the duty cycle is increased to increase the output voltage.The MCP1642DT-18I/MC uses a high-tech switching topology to minimize its size and improve efficiency. The device uses a single MOSFET as the main switching element and a diode to allow the current to flow during the OFF-period. This topology helps achieve an efficiency of up to 95% and a low-noise operation in switching mode. The output ripple in switching mode is reduced due to the use of a multi-pulse forward converter. Additionally, the device features overload protection, over-voltage protection, over-temperature protection, and soft-start to protect the device and reduce the start-up time.MCP1642DT-18I/MC can be used in various applications, including DC-DC converters, power supply solutions, voltage regulation solutions, and low-power device and systems. The device is mainly used in automotive, industrial, and consumer end-products. It can also be used in industrial and medical equipment, communication and data networks, and renewable energy systems.In summary, the MCP1642DT-18I/MC is a voltage-mode PWM synchronous step-down regulator that features a high-efficiency switching topology, a wide input voltage range, adjustable output voltage range, overload protection, and over-temperature protection. It can be used in a variety of automotive, industrial, and consumer applications, such as DC-DC converters, power supply solutions, voltage regulation solutions, and low-power device and systems. The device is available in the TO-220 package for flexible PCB design and thermal management.The specific data is subject to PDF, and the above content is for reference
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