LT1054CS8

圖片僅供參考

LT1054CS8

+物料清單

Switching Voltage Regulators Switched-Capacitor Voltage Converter with Regulator

365 天品質保證

7*24 小時服務保證

90-日售後保障

正品保證

規格

屬性 價值

概述

Description

The LT1054CS8 is a versatile DC-DC converter IC from Analog Devices, often used in applications requiring voltage conversion such as generating higher voltages from a lower input or creating dual polarity supplies. It operates as a charge pump voltage converter, utilizing capacitors to achieve voltage inversion or doubling without the need for inductors, which simplifies design in space-constrained applications.
Key features of the LT1054CS8 include low quiescent current, high output current capability, and the ability to handle input voltages ranging from 3.5V to 15V. The device can deliver up to 100mA at typical operating conditions and is efficient due to its low-loss mechanism. Additionally, the LT1054CS8 includes a built-in oscillator, voltage regulation, and thermal shutdown for safe operation.
Its applications span various fields, including battery-powered systems, LCD bias supplies, and operational amplifier power supplies. Packaged in an 8-pin SOIC, the LT1054CS8 is designed for easy integration into a variety of electronic designs requiring efficient voltage conversion.

Equivalent

The LT1054CS8 is a switched-capacitor voltage converter. Some equivalent products include the MAX1044, TC1044, LM2664, and ICL7660. These chips generally offer similar functionality for voltage conversion tasks such as inverting or doubling input voltages. When selecting an equivalent, ensure compatibility in terms of voltage range, current capacity, pin configuration, and any specific features required for your application.

Features

The LT1054CS8 is a versatile switched-capacitor voltage converter designed for efficiency and ease of use. Key features include:
1. Voltage Conversion: It can function as a voltage inverter, doubling or dividing voltage, making it suitable for various applications.

2. Input Voltage Range: Operates over a wide input voltage range, typically from 3.5V to 15V, allowing flexibility in power supply options.
3. Switching Frequency: Typically operates at 25kHz, providing a balance between efficiency and output ripple.
4. Output Current: Capable of delivering up to 100mA output current, suitable for powering small to moderate loads.
5. Efficiency: Designed for high efficiency, typically around 80% or higher, depending on the configuration and load conditions.
6. Low Quiescent Current: Consumes minimal power when idle, helping to extend battery life in portable applications.
7. Compact Package: Available in an 8-pin SOIC package, facilitating easy integration into circuit designs.
8. Internal Oscillator and Regulation: Includes an internal oscillator and regulation circuitry, reducing the need for additional components.
These features make the LT1054CS8 a robust choice for applications requiring efficient DC-DC voltage conversion.

Pinout

The LT1054CS8 is an 8-pin integrated circuit used primarily for voltage conversion applications, such as voltage inversion or doubling. It is a switched-capacitor voltage converter.
Here is the pin configuration and function:
1. Pin 1 (CAP+): Positive terminal for the external capacitor.
2. Pin 2 (GND): Ground connection.
3. Pin 3 (CAP-): Negative terminal for the external capacitor.
4. Pin 4 (VOUT): The output voltage pin.
5. Pin 5 (V+) : The positive supply voltage input.
6. Pin 6 (OSC): Frequency control pin, allowing for adjustment of the oscillator frequency.
7. Pin 7 (S2): This pin is used for frequency boost. When connected to V+, it doubles the oscillator frequency.
8. Pin 8 (S1): This pin is used for shutdown. Connecting it to V+ puts the device in low-power shutdown mode.
The LT1054CS8 is versatile, enabling various voltage conversion solutions in a compact format, making it suitable for battery-powered and other low-power applications.

Manufacturer

The LT1054CS8 is manufactured by Linear Technology Corporation. Linear Technology, now a part of Analog Devices, Inc. since its acquisition in 2017, is a company that specializes in the design, manufacturing, and marketing of a broad line of high-performance analog integrated circuits. The products developed by the company are used in various applications, including telecommunications, networking products, industrial instrumentation, computers, automotive electronics, factory automation, and more. Linear Technology is known for its innovation in power management, data conversion, signal conditioning, RF and interface ICs, among other product categories.

Application

The LT1054CS8 is a versatile DC-DC voltage converter used in various applications. Primarily, it is used for voltage regulation and conversion tasks such as generating stable negative voltages from positive inputs or vice versa. Common applications include powering operational amplifiers, analog signal processing circuits, and interfacing with microcontrollers requiring different voltage levels. It's also used in battery-powered devices for efficient power management, and in situations where dual voltage supplies are necessary. Its ease of use, high efficiency, and ability to supply significant output current make it suitable for portable electronics, communication equipment, and industrial controls.

Package

The LT1054CS8 is a charge pump voltage converter IC from Linear Technology, now part of Analog Devices. It comes in an SOIC-8 package, which is a Small Outline Integrated Circuit with 8 pins, commonly used for surface-mount applications.