MCP1640T-I/CHY

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MCP1640T-I/CHY

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IC REG BOOST ADJ 350MA SOT23-6

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Attribut Wert
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Function Step-Up
Output Configuration Positive
Topology Boost
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 0.8V
Voltage - Input (Max) 5.5V
Voltage - Output (Min/Fixed) 2V
Voltage - Output (Max) 5.5V
Current - Output 350mA
Frequency - Switching 500kHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount

Übersicht

Description

The MCP1640T-I/CHY is a compact, high-efficiency, step-up DC-DC converter designed by Microchip Technology. It is part of the MCP1640 family and is aimed at boosting input voltages to a higher, stable output voltage. This device is particularly suited for low-power applications, operating from a single-cell battery as low as 0.35V due to its low start-up voltage.
Key features include an input voltage range of 0.35V to 5.5V, output voltage adjustable up to 5.5V, and a typical efficiency of around 96%. It provides automatic PFM/PWM switching to maintain high efficiency across varying loads. The MCP1640T-I/CHY also features a true output disconnect option, which isolates the load from the input during shutdown, minimizing quiescent current.
The device is available in a small SOT-23-6 package, making it suitable for portable and space-constrained applications. Typical use cases include powering microcontrollers, RF devices, and other digital circuits requiring a stable voltage from varying battery input levels.

Equivalent

The MCP1640T-I/CHY is a boost converter from Microchip Technology. Equivalent products from other manufacturers include:
1. TPS61070 from Texas Instruments
2. LTC3429 from Analog Devices
3. MAX1674 from Maxim Integrated
4. NCP1400 from ON Semiconductor
These components serve similar functions in voltage boosting applications, but it’s important to compare specific features and specifications to ensure full compatibility with your design needs.

Features

The MCP1640T-I/CHY is a compact, high-efficiency, step-up DC-DC converter designed by Microchip Technology. Key features include:
1. Wide Input Voltage Range: Operates from 0.35V to 5.5V, making it suitable for single-cell alkaline, NiMH, or Li-Ion batteries.
2. Output Voltage: Capable of achieving a fixed or adjustable output up to 5.5V, depending on the configuration.
3. Efficiency: Delivers high efficiency across a broad load range, optimizing battery life in portable applications.
4. Low Start-Up Voltage: Starts with an input voltage as low as 0.65V, facilitating operation from depleted batteries.
5. Quiescent Current: Consumes very low quiescent current, around 19 µA, which helps in extending battery life during idle periods.
6. Compact Package: Available in a SOT-23-6 package, contributing to space-saving designs.
7. Protection Features: Includes over-temperature protection and inductor current limiting to enhance reliability.
8. Applications: Ideal for battery-powered devices, portable electronics, and energy harvesting applications.
These features make the MCP1640T-I/CHY a versatile and efficient choice for low-power, portable applications.

Pinout

The MCP1640T-I/CHY is a high-efficiency, synchronous boost regulator from Microchip Technology. It is designed to provide step-up voltage conversion and features a low start-up voltage. The device is commonly used in battery-powered applications.
The MCP1640T-I/CHY is available in a 6-pin SOT-23 package. The pin functions are as follows:
1. VOUT: The output voltage pin. It connects to the load and the output capacitor.
2. GND: The ground reference pin for the device.
3. SW: The switch node pin. It connects to the inductor and serves as the main switching node.
4. VIN: The input voltage pin. It connects to the power supply or battery.
5. EN: The enable pin. It is used to turn the regulator on or off. Driving this pin high enables the regulator.
6. FB: The feedback pin. It is used to set the output voltage through an external resistor divider network.
This regulator is suitable for various applications, including portable electronics, where efficient power management is crucial.

Manufacturer

The MCP1640T-I/CHY is manufactured by Microchip Technology Inc. Microchip Technology is a leading American semiconductor company that designs and manufactures microcontrollers, memory, and analog and interface products. The company serves a diverse range of industries, including automotive, aerospace, consumer electronics, and industrial applications. Microchip is known for providing reliable and high-performance solutions that enable product innovation and development.

Application

The MCP1640T-I/CHY is a high-efficiency synchronous boost regulator designed for a variety of applications. It is commonly used in battery-powered devices due to its ability to extend battery life by providing a stable output voltage. Key application areas include portable electronics, wireless sensor networks, consumer electronics, and energy harvesting systems. It is also suitable for powering devices from single-cell alkaline, NiMH, or lithium coin cells. Its compact size and low quiescent current make it ideal for space-constrained and energy-sensitive applications.

Package

The MCP1640T-I/CHY is a boost converter manufactured by Microchip Technology. It is available in a small SOT-23 package, which is a standard outline transistor package with three or more pins, often used for surface-mounted devices.

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