LM2660MX

Hình ảnh chỉ để tham khảo

LM2660MX

+BOM

IC REG CHARGE PUMP INV 8SOIC

365 Đảm bảo chất lượng ngày

7*24 giờ dịch vụ quarantee

90-Bảo hành sau bán hàng ngày

Bảo hành sản phẩm chính xác

Thông số kỹ thuật

thuộc tính Giá trị
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Obsolete
Function Ratiometric
OutputConfiguration Positive or Negative
Topology Charge Pump
OutputType Fixed
NumberofOutputs 1
Voltage-Input(Min) 1.5V
Voltage-Input(Max) 5.5V
Voltage-Output(Min/Fixed) -Vin, 2Vin, Vin/2
Current-Output 100mA
Frequency-Switching 5kHz, 40kHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 85°C (TJ)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Tổng quan

Description

The LM2660MX is a switched-capacitor voltage converter integrated circuit (IC) designed by Texas Instruments. It is commonly used to invert or double voltage supplies, making it versatile in various electronic applications. The device operates without the need for inductors, utilizing capacitors for charge transfer instead, which helps in minimizing electromagnetic interference and simplifying design.
Key features of the LM2660MX include a wide input voltage range (usually 1.5V to 5.5V), high efficiency, and low quiescent current. It can deliver a maximum output current, typically around 100 mA, making it suitable for powering small to medium loads. The LM2660MX offers a simple and compact solution with a small footprint, often housed in an 8-pin SOIC package.
Additionally, the IC includes built-in protection features such as thermal shutdown and short-circuit protection, enhancing its reliability in various operating conditions. Its ease of integration and minimal external components make it an attractive choice for battery-powered and portable devices requiring efficient voltage conversion.

Equivalent

The LM2660MX is a switched capacitor voltage converter. Equivalent products include the MAX660, TPS60400, LTC1044, and TC1044. These are also charge pump voltage converters commonly used for similar applications. Always check the specific datasheets to ensure full compatibility with your application requirements, as there can be variations in voltage ranges, current capabilities, and efficiency.

Features

The LM2660MX is a charge pump voltage converter designed by Texas Instruments. Key features include:
1. Voltage Conversion: It can invert the input voltage, effectively doubling the voltage range. This makes it useful for applications needing a negative voltage rail.
2. Efficiency: The device offers high efficiency, typically around 90%, which is beneficial for battery-powered applications.
3. Output Current: Provides a maximum output current of around 100 mA.
4. Operating Voltage: It operates over a wide input voltage range of 1.5 V to 5.5 V.
5. Switching Frequency: The LM2660MX operates at a switching frequency of approximately 150 kHz.
6. Low Quiescent Current: It has a low quiescent current, making it energy-efficient during idle periods.
7. Compact Package: Available in a small SOIC-8 package, making it suitable for space-constrained applications.
8. Protection Features: Includes thermal shutdown and current limiting to protect against fault conditions.
These features make the LM2660MX suitable for various applications in portable electronics, telecommunications, and embedded systems requiring efficient voltage conversion.

Pinout

The LM2660MX is a switched capacitor voltage converter IC. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The main function of the LM2660 is to invert or double an input voltage, making it useful for applications requiring negative or higher supply voltages.
Here is a brief description of its pin functions:
1. CAP+: Positive terminal for the external flying capacitor.
2. GND: Ground connection.
3. CAP-: Negative terminal for the external flying capacitor.
4. VOUT: Output voltage.
5. LV: Logic input to select between low or high voltage operation.
6. OSC: Oscillator control pin; can be used to adjust the oscillator frequency or synchronize to an external frequency.
7. VIN: Input voltage.
8. SD: Shutdown pin; when connected to ground, it disables the device and reduces the quiescent current.
These pin functions enable the LM2660MX to efficiently convert voltages in compact circuits.

Manufacturer

The LM2660MX is a voltage converter integrated circuit originally manufactured by National Semiconductor. National Semiconductor was a company that specialized in the design and production of analog devices and semiconductors. In 2011, National Semiconductor was acquired by Texas Instruments, a major American technology company that designs and manufactures semiconductors and various integrated circuits. Texas Instruments is known for its role in developing electronic components and systems that serve a wide range of applications, including industrial, automotive, consumer electronics, and communications. Therefore, the LM2660MX is now under the Texas Instruments product portfolio.

Application

The LM2660MX is a charge pump voltage converter commonly used in applications requiring voltage inversion or doubling. It is suitable for battery-powered devices, portable electronics, and equipment needing efficient DC-DC conversion. It’s often found in handheld devices, mobile phones, and small power supplies where space and efficiency are critical. The LM2660MX is also used in systems where a negative voltage rail is needed for analog circuits, such as operational amplifiers or other mixed-signal applications. Its compact size and low external component requirement make it ideal for compact designs and prototyping in consumer electronics and communication devices.

Package

The LM2660MX is a switched capacitor voltage converter IC available in an 8-pin Surface-Mount Device (SMD) package, specifically the SOIC (Small Outline Integrated Circuit) package.

Sản phẩm liên quan đến LM2660MX