規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Not For New Designs |
| Function | Ratiometric |
| OutputConfiguration | Positive |
| Topology | Charge Pump |
| OutputType | Fixed |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 2.5V |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | 2Vin, Vin/2 |
| Current-Output | 40mA |
| Frequency-Switching | 80kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 85°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | SOT-23-6 |
概述
Description
The LM2665M6X is a switched capacitor voltage converter IC designed by Texas Instruments. It is primarily used for voltage doubling and is capable of converting a low input voltage to a higher output voltage, making it ideal for applications requiring efficient power management in compact form factors. The device operates with an input voltage range of 1.5V to 5.5V and can deliver an output voltage approximately twice the input, minus a small voltage drop due to internal resistance.
The LM2665M6X features low quiescent current and high efficiency, which are crucial for battery-powered devices. It comes in a small SOT-23-6 package, making it suitable for space-constrained designs. The IC typically requires only a few external capacitors for operation, simplifying the design process. It also includes built-in protection features, such as short-circuit protection and thermal shutdown, ensuring reliable performance. Common applications include powering sensors, microcontrollers, and other low-power devices in portable electronics.
The LM2665M6X features low quiescent current and high efficiency, which are crucial for battery-powered devices. It comes in a small SOT-23-6 package, making it suitable for space-constrained designs. The IC typically requires only a few external capacitors for operation, simplifying the design process. It also includes built-in protection features, such as short-circuit protection and thermal shutdown, ensuring reliable performance. Common applications include powering sensors, microcontrollers, and other low-power devices in portable electronics.
Equivalent
The LM2665M6X is a charge pump voltage converter. Equivalent products include the Texas Instruments LM2664, Maxim Integrated MAX660, and Microchip TC7660. These components perform similar voltage conversion functions, typically inverting or doubling the input voltage, and are used in low-power applications. Always check the datasheet for specific electrical characteristics and pin compatibility when considering alternatives.
Features
The LM2665M6X is a switched-capacitor voltage converter IC designed for voltage inversion, which means it can convert a positive input voltage into an equivalent negative output voltage. Key features include:
1. Voltage Range: It typically operates with an input voltage range from 1.5V to 5.5V.
2. Output Capability: The device can produce a negative output voltage approximately equal in magnitude to the positive input voltage.
3. Efficiency: High efficiency is achieved, often around 90%, due to its charge-pump topology which minimizes power loss.
4. Supply Current: It has a low quiescent supply current, making it suitable for battery-powered applications.
5. Compact Package: The device is available in a small SOT-23-6 package, ideal for space-constrained applications.
6. Thermal Resistance: Features low thermal resistance, contributing to better thermal management.
7. No Inductors Required: Simplifies the design by eliminating the need for external inductors.
8. Output Current: Supports a typical output current of up to 100 mA, depending on the input voltage and external components.
These features make the LM2665M6X suitable for use in applications requiring efficient, compact, and simple voltage inversion solutions.
1. Voltage Range: It typically operates with an input voltage range from 1.5V to 5.5V.
2. Output Capability: The device can produce a negative output voltage approximately equal in magnitude to the positive input voltage.
3. Efficiency: High efficiency is achieved, often around 90%, due to its charge-pump topology which minimizes power loss.
4. Supply Current: It has a low quiescent supply current, making it suitable for battery-powered applications.
5. Compact Package: The device is available in a small SOT-23-6 package, ideal for space-constrained applications.
6. Thermal Resistance: Features low thermal resistance, contributing to better thermal management.
7. No Inductors Required: Simplifies the design by eliminating the need for external inductors.
8. Output Current: Supports a typical output current of up to 100 mA, depending on the input voltage and external components.
These features make the LM2665M6X suitable for use in applications requiring efficient, compact, and simple voltage inversion solutions.
Pinout
The LM2665M6X is a charge pump voltage converter IC manufactured by Texas Instruments. It is designed to invert input voltages efficiently. The LM2665M6X is housed in a small SOT-23-6 package, which means it has 6 pins.
Here is a brief overview of the pin functions:
1. V+ (Pin 1): Positive supply voltage input.
2. GND (Pin 2): Ground pin.
3. C1+ (Pin 3): Positive terminal of the external charge pump capacitor.
4. C1- (Pin 4): Negative terminal of the external charge pump capacitor.
5. VOUT (Pin 5): Inverted voltage output.
6. SHDN (Pin 6): Shutdown pin; active low input to disable the device and minimize power consumption.
The LM2665M6X inverts the input voltage, providing an efficient means to generate a negative voltage from a positive supply. It is suitable for applications where low power and compact size are crucial.
Here is a brief overview of the pin functions:
1. V+ (Pin 1): Positive supply voltage input.
2. GND (Pin 2): Ground pin.
3. C1+ (Pin 3): Positive terminal of the external charge pump capacitor.
4. C1- (Pin 4): Negative terminal of the external charge pump capacitor.
5. VOUT (Pin 5): Inverted voltage output.
6. SHDN (Pin 6): Shutdown pin; active low input to disable the device and minimize power consumption.
The LM2665M6X inverts the input voltage, providing an efficient means to generate a negative voltage from a positive supply. It is suitable for applications where low power and compact size are crucial.
Manufacturer
The LM2665M6X is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a wide range of integrated circuits and semiconductor devices. TI's products are used in various applications across industries, including automotive, industrial, consumer electronics, and communications. The company is known for its innovations in analog and embedded processing technologies, serving a broad spectrum of markets with a focus on making electronics more efficient and accessible. Texas Instruments is headquartered in Dallas, Texas, and is one of the largest semiconductor companies in the world.
Application
The LM2665M6X is a switched capacitor voltage converter used primarily for voltage doubling applications. It is commonly applied in battery-powered devices requiring efficient voltage conversion, such as mobile phones, handheld instruments, and portable electronics. Additionally, it can be used in data acquisition systems, biasing of operational amplifiers, and generating higher voltages from a lower voltage source. Its compact size makes it suitable for space-constrained applications.
Package
The LM2665M6X is packaged in a SOT-23-6 type, which is a small outline transistor package with six leads. This package type is commonly used for surface-mount applications, providing a compact size suitable for space-constrained designs.
