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Microchip Boost Converter Surface Mount 5.5V Output Voltage 800mA Output Current MCP1642B-ADJI/MS
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Efficiency | 96% |
| Length | 3mm |
| Model | MCP1642B-ADJI/MS |
| Depth | 1.1mm |
| Width | 3mm |
| Mount Type | Surface |
| Series | MCP1642 |
| Output Current | 800mA |
| Maximum Operating Temperature | 85°C |
| Package Type | MSOP |
| Load Regulation | ±1.5 % |
| Minimum Operating Temperature | -40°C |
| Number of outputs | 1 |
| Maximum Input Voltage | 5.5V |
| Line Regulation | ±0.5 %/V |
| Standards/Approvals | RoHS, ISO 9001 |
| Minimum Input Voltage | 0.65V |
| Number of Pins | 8 |
| Output Voltage 1 | 5.5V |
| Low Start-up Voltage | 0.65V |
| Minimum Operating Input Voltage | 0.35V |
| Adjustable Output Voltage Range | 1.8V to 5.5V |
Key Features
- Achieves up to 96% typical efficiency for energy saving.
- Operates over an input voltage range from 0.35V to less than 5.5V.
- Includes integrated synchronous rectifier to reduce power losses.
- Provides fixed 1 MHz switching frequency for noise reduction.
- Includes low start-up voltage of 0.65V to enable operation from depleted batteries.
- Delivered in compact MSOP package measuring 3mm × 3mm × 1.1mm.
- Capable of supplying continuous output current up to 800mA.
- Equipped with over-temperature protection for device reliability.
Product Description
The Microchip MCP1642B-ADJI/MS is a synchronous boost converter designed for efficient DC-DC step-up voltage conversion in compact electronic devices. It supports an adjustable output voltage range from 1.8V to 5.5V, with a fixed-frequency PWM operation at 1 MHz, enabling smooth and quiet switching performance.
With a maximum output current capacity of 800mA, this boost converter is suitable for applications requiring stable voltage boost from low-voltage sources such as alkaline or rechargeable battery packs including NiCd, NiMH, Li-ion, and Li-polymer types.
Operating over a wide temperature range from -40°C to 85°C, the device features a low start-up voltage of 0.65V and a minimum operating input voltage of 0.35V, allowing operation with partially depleted batteries. It incorporates an internal synchronous rectifier and compensation circuitry to achieve typical efficiencies reaching up to 96% and limit inrush current during startup for improved reliability.
The device uses an 8-pin MSOP package with very small dimensions (3mm length × 3mm width × 1.1mm depth), making it suitable for space-constrained designs and surface mount technology (SMT) assembly for automation.
High efficiency up to 96% improves power conservation. Wide input voltage range supports various battery chemistries. Low quiescent shutdown current reduces battery drain when disabled. Internal soft-start limits inrush current on power-up.
True load disconnect shutdown prevents leakage currents. Over-temperature protection ensures device safety during fault conditions.
This boost converter is widely used in portable electronics, handheld instruments, and embedded systems requiring regulated voltage from low input levels. Its combination of small size, adjustable output voltage, and robust electrical features make it a reliable power solution in industrial, commercial, and laboratory electronics.
EnvMart offers the Microchip MCP1642B-ADJI/MS boost converter for electronic design applications requiring efficient and compact DC-DC voltage regulation.
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Frequently Asked Questions
This model supports an adjustable output voltage range from 1.8V to 5.5V.
It is capable of supplying a continuous output current up to 800mA.
The package measures 3mm in length, 3mm in width, and 1.1mm in depth.
It achieves up to 96% typical efficiency for energy saving.
The minimum operating input voltage is 0.35V, allowing it to operate with partially depleted batteries.
The maximum operating temperature is 85°C.
This model is designed for surface mount technology (SMT) assembly.
It has a low start-up voltage of 0.65V, enabling operation from depleted batteries.
The load regulation is ±1.5%, and the line regulation is ±0.5%/V.
It complies with RoHS and ISO 9001 standards/approvals.
It is suitable for use with alkaline or rechargeable battery packs, including NiCd, NiMH, Li-ion, and Li-polymer types.
It includes over-temperature protection, internal soft-start to limit inrush current, and true load disconnect shutdown to prevent leakage currents.
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