LM2765M6X

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LM2765M6X

IC REG CHARGE PUMP 2VIN SOT23-6

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Thông số kỹ thuật

Part Status Obsolete
Function Ratiometric
Output Configuration Positive
Topology Charge Pump
Output Type Fixed
Number of Outputs 1
Voltage - Input (Min) 1.8V
Voltage - Input (Max) 5.5V
Voltage - Output (Min/Fixed) 2Vin
Current - Output 20mA
Frequency - Switching 50kHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case SOT-23-6
Supplier Device Package SOT-23-6
Base Product Number LM2765

Tổng quan

Description

The LM2765M6X is a charge pump voltage converter integrated circuit designed for low-power applications. It is manufactured by Texas Instruments. This IC is specifically used to generate a regulated output voltage from a lower input voltage, making it suitable for battery-powered devices. The LM2765M6X operates with a low quiescent current, enhancing energy efficiency and prolonging battery life.
Key features of the LM2765M6X include:
1. Voltage Doubling: It can effectively double the input voltage, useful for applications needing higher voltages.

2. Compact Package: Available in a small SOT-23 package, making it ideal for space-constrained designs.
3. High Efficiency: Offers high efficiency with minimal external components, reducing overall system cost and complexity.
4. Low Noise Operation: Designed to minimize electromagnetic interference, ensuring stable performance in sensitive circuits.
5. Wide Input Voltage Range: Supports a broad input voltage range, providing flexibility in various applications.
Overall, the LM2765M6X is a versatile and efficient solution for boosting voltage in compact, battery-operated devices. It is commonly used in handheld electronics, portable medical equipment, and other low-power applications.

Features

The LM2765M6X is a simple switched capacitor voltage converter designed to invert the input supply voltage. Key features include:
1. Input Voltage Range: Operates typically from 1.8V to 5.5V, making it versatile for various low-voltage applications.
2. Output Voltage: Inverts the input voltage, providing an output that is approximately the negative of the input.
3. Efficiency: Offers high efficiency up to 90% under optimal conditions, due to its charge pump architecture.
4. Low Quiescent Current: Consumes minimal power when inactive, aiding battery-powered applications.
5. Compact Package: Available in a space-saving SOT-23-6 package, suitable for compact designs.
6. No Inductors Required: Uses capacitors for voltage conversion, eliminating the need for inductors and reducing external component count.
7. Thermal Shutdown Protection: Includes internal thermal protection to prevent overheating.
8. Startup Functionality: Incorporates soft-start to manage inrush current during power-up.
These features make the LM2765M6X ideal for applications needing a negative voltage supply in a compact and efficient manner, such as in portable devices and low-power electronics.

Package

The LM2765M6X is a charge pump voltage converter typically available in an SOT-23-6 package. This compact, six-lead package is designed for surface-mount applications, making it suitable for space-constrained electronic designs.

Pinout

The LM2765M6X is a charge pump voltage converter IC manufactured by Texas Instruments. It is contained in a 6-pin SOT-23 package. The primary function of the LM2765M6X is to invert the input voltage, providing a negative output voltage from a positive input voltage. This kind of device is typically used in applications where a negative supply voltage is required from a positive supply rail.
The specific pin functions for the LM2765M6X are as follows:
1. V+: Positive voltage input.
2. CAP+: Positive terminal for the charge pump capacitor.
3. GND: Ground connection.
4. CAP-: Negative terminal for the charge pump capacitor.
5. Vout: The inverted voltage output.
6. SHDN: Shutdown control pin; when driven low, it disables the device to reduce power consumption.
The LM2765M6X operates with minimal external components, making it suitable for compact and efficient designs in portable electronic applications.

Manufacturer

The LM2765M6X is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and integrated circuits. It is one of the largest semiconductor companies in the world, known for producing a wide range of electronic components used in various applications, including consumer electronics, automotive systems, industrial equipment, and communication devices. TI's products are integral to devices that are part of everyday modern life, providing solutions that help drive advancements in technology.

Application

The LM2765M6X is a charge pump voltage converter used primarily in applications requiring a low-noise, low-ripple power supply. Its key application areas include powering low-current analog circuits, biasing RF circuits, and supporting battery-powered devices in mobile and portable electronics, such as smartphones and wearable devices. Its ability to provide a regulated output voltage from a varying input makes it suitable for applications requiring efficient power management solutions.

Equivalent

The LM2765M6X is a switched-capacitor voltage converter from Texas Instruments. Equivalent products may include the MAX828/829 from Maxim Integrated, the MIC2256 from Microchip Technology, and the LTC1983 from Analog Devices. These devices offer similar functionalities, such as boosting or inverting voltages with low current applications. Always check specific datasheets for detailed specifications to ensure compatibility with your application.

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