LM2662MX

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LM2662MX

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IC REG CHARGE PUMP INV 8SOIC

  • HerstellerTexas Instruments

  • Herstellerteil #LM2662MX

  • Paket SOIC-8

  • Auf Lager5190

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Attribut Wert
Package / Case Tape & Reel (TR),Cut Tape (CT),Bulk
Part Status Obsolete
Function Ratiometric
Output Configuration Positive or Negative
Topology Charge Pump
Output Type Fixed
Number of Outputs 1
Voltage - Input (Min) 1.5V
Voltage - Input (Max) 5.5V
Voltage - Output (Min/Fixed) -Vin, 2Vin, Vin/2
Current - Output 200mA
Frequency - Switching 10kHz, 75kHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount

Übersicht

Description

The LM2662MX is a charge pump voltage converter integrated circuit (IC) manufactured by Texas Instruments. It is typically used to invert or double an input voltage, making it suitable for various power management applications in electronic circuits. The LM2662MX operates with a wide input voltage range from 1.5V to 5.5V, allowing it to be used in both low-voltage and battery-powered applications.
This IC is designed for efficient performance with a high switching frequency, minimizing the need for external components and allowing for a compact design. It has a typical output current capability of up to 200 mA. The LM2662MX features low quiescent current, making it power-efficient, and includes built-in protection features such as thermal shutdown and current limiting to ensure reliable operation under different conditions.
Packaged in a surface-mount format, the LM2662MX is suitable for modern, space-constrained circuit designs. Its versatility and reliability make it a popular choice for applications requiring voltage inversion or doubling, such as powering sensors, displays, and other peripheral devices.

Equivalent

The LM2662MX is a switched capacitor voltage converter. Equivalent or similar products include the LTC1046, LTC660, MAX660, and TC7660H. These components are generally used for similar applications like voltage inverters or doublers. Ensure to compare specific features and specifications to verify compatibility with your design.

Features

The LM2662MX is a charge pump voltage converter from Texas Instruments. It features the ability to invert and double input voltages, making it versatile for various power management applications. Key features include:
1. Wide Input Voltage Range: Operates from 1.5V to 5.5V, allowing flexibility with different power sources.
2. High Efficiency: Utilizes CMOS technology to achieve efficient power conversion, which is crucial for battery-powered applications.
3. Low Quiescent Current: Consumes minimal current when not switching, enhancing battery life in portable devices.
4. Adjustable Frequency: Offers the ability to set the switching frequency, optimizing performance for specific applications.
5. Compact Package: Available in a small surface-mount package, making it suitable for space-constrained designs.
6. Minimal External Components: Requires only a few external capacitors, simplifying the overall design and reducing cost.
7. Thermal Protection: Includes built-in thermal shutdown to protect the device from overheating.
8. Short-Circuit Protection: Safeguards against unexpected circuit conditions.
These features make the LM2662MX ideal for applications such as LCD bias supplies, operational amplifier power supplies, and other portable electronic devices.

Pinout

The LM2662MX is a switched capacitor voltage converter. It is typically used to invert or double an input voltage. The device comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here’s a brief overview of its pin functions:
1. V+ (Pin 1): Positive voltage input.
2. CAP+ (Pin 2): Positive terminal for the charge pump capacitor.
3. CAP- (Pin 3): Negative terminal for the charge pump capacitor.
4. GND (Pin 4): Ground connection.
5. LV (Pin 5): Low-voltage option pin.
6. OUT (Pin 6): Voltage output.
7. S1 (Pin 7): Select pin for mode of operation (connected to GND for voltage inversion).
8. S2 (Pin 8): Select pin for mode of operation (connected to V+ for voltage doubling).
The LM2662MX operates by using a switched capacitor network to efficiently convert and regulate the output voltage, making it suitable for applications requiring negative or doubled voltages from a single positive input.

Manufacturer

The LM2662MX is a charge pump voltage converter manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and produces a wide range of electronic components and integrated circuits. TI is well-known for its innovation in the electronics industry and provides products and solutions for various applications, including industrial, automotive, personal electronics, and communications. The company focuses on developing analog and embedded processing products.

Application

The LM2662MX is a switched-capacitor voltage converter commonly used for applications requiring voltage inversion or doubling. Its primary applications include:
1. Voltage Inversion: Ideal for generating a negative voltage supply from a positive input, often used in analog circuits.
2. Voltage Doubling: Used to double the input voltage, suitable for low-power applications.
3. Battery-Powered Devices: Efficient for portable devices due to low quiescent current.
4. LCD Bias Generators: Provides the necessary voltage for driving LCDs.
5. Operational Amplifier Power Supplies: Supplies negative voltage for dual-supply op-amps.
6. Energy Harvesting: Enhances output voltage in low-power generator circuits.
Overall, it is used in applications requiring efficient and compact DC-DC conversion.

Package

The LM2662MX is a switched-capacitor voltage converter IC available in an 8-pin SOIC (Small Outline Integrated Circuit) package. The "MX" designation typically indicates the package type and tape-and-reel packaging for automated assembly processes.

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