LM2775DSGR

The LM2775DSGR is a switched capacitor voltage inverter integrated circuit (IC) designed by Texas Instruments. It is primarily used to generate a negative output voltage from a positive input voltage, making it suitable for applications requiring negative voltage rails from a single positive power supply. This device operates with input voltages ranging from 2.7V to 5.5V and provides a fixed output voltage, typically -5V, with a maximum output current capability of 200mA.
The LM2775DSGR features a high-efficiency charge pump architecture, which enables it to achieve low power dissipation without the need for inductors. This makes it ideal for use in compact, portable, and battery-powered devices. The IC includes built-in protection features such as short-circuit protection, thermal shutdown, and undervoltage lockout to ensure reliable performance.
Packaged in a small, space-saving WSON (DSG) package, the LM2775DSGR is suitable for applications in consumer electronics, such as smartphones and tablets, as well as in industrial and communication devices. Its ease of use, combined with minimal external components, simplifies design and reduces overall system cost.

The LM2775DSGR is a charge pump voltage inverter designed by Texas Instruments. It is a compact and efficient solution for generating a negative supply voltage from a positive input voltage. Key features include:
1. Input Voltage Range: Operates from a 2.7V to 5.5V input voltage range.
2. Output Voltage: Provides a regulated output voltage of -5V.
3. Output Current: Capable of delivering up to 200mA output current.
4. Efficiency: Offers high efficiency with low quiescent current, making it suitable for battery-powered applications.
5. Switching Frequency: Operates with a fixed switching frequency of 2 MHz, allowing the use of small external capacitors.
6. Low Noise: Designed for low output voltage ripple and minimal electromagnetic interference (EMI).
7. Protection Features: Includes over-current protection, thermal shutdown, and short-circuit protection to enhance reliability.
8. Package: Available in a small, space-saving WSON (DSG) package, facilitating compact PCB design.
These features make the LM2775DSGR ideal for applications requiring a negative voltage supply, such as powering operational amplifiers, sensors, or other analog devices.

The LM2775DSGR is a charge pump voltage converter IC from Texas Instruments. It is available in a 6-pin WSON package, which is a small-outline, no-lead package type designed for efficient thermal performance and compact size.

The LM2775DSGR is a charge pump voltage inverter IC from Texas Instruments, designed to generate a negative output voltage from a positive input voltage. It is typically used in applications requiring a negative supply rail like LCD biasing.
The device is available in an 8-pin WSON (DSG) package. The pin functions are:
1. IN: Positive power supply input.
2. OUT: Negative output voltage.
3. C1+: Positive terminal for the external charge pump capacitor.
4. C1-: Negative terminal for the external charge pump capacitor.
5. EN: Enable pin. A high level activates the device, while a low level puts it into shutdown mode.
6. GND: Ground connection.
7. NC: No connection; can be left floating.
8. NC: No connection; can be left floating.
The LM2775DSGR is typically used in portable electronics, providing efficient power conversion in a compact form factor.

The LM2775DSGR is manufactured by Texas Instruments. Texas Instruments, commonly known as TI, is an American technology company headquartered in Dallas, Texas. It designs and manufactures semiconductors and various integrated circuits, which are sold to electronics designers and manufacturers globally. TI is known for its innovation in the development of analog chips, digital signal processors, and embedded processors, among other semiconductor solutions. The company serves a wide range of industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems.

The LM2775DSGR is a charge pump voltage inverter commonly used in portable electronics. Its primary application areas include powering negative voltage audio amplifiers, OLED displays, and other low-power analog circuits requiring a negative voltage supply. It is suitable for use in battery-operated devices due to its high efficiency and low quiescent current.

The LM2775DSGR is a switched capacitor voltage converter that provides a regulated output voltage. Equivalent products include the TPS60250 from Texas Instruments, the MAX17291 from Maxim Integrated, and the LTC3255 from Analog Devices. These alternatives offer similar functionalities such as inverting or step-down conversion with low noise for powering sensitive electronics. Ensure to check the datasheets for specific electrical characteristics and compatibility.