LTC3260EMSE

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LTC3260EMSE

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Switching Controllers LTC3260 - Low Noise Dual Supply Inverting Charge Pump

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Description

The LTC3260EMSE is an integrated circuit designed by Analog Devices, offering a low noise, dual-output charge pump voltage inverter and regulator. It is capable of generating a regulated output voltage from 1.2V to 5V at up to 100mA, along with an unregulated negative supply voltage. The device operates over an input voltage range of 2.7V to 5.5V, making it suitable for battery-powered applications.
The LTC3260EMSE features low quiescent current, integrated thermal shutdown, and soft-start functionality to enhance reliability and efficiency. It includes a Buck-Boost mode for VIN above or below the desired VOUT, ensuring stable performance across various load conditions. The compact MSOP package helps in minimizing board space, making it ideal for compact devices and applications such as handheld instruments, medical devices, and portable electronics where compactness and efficiency are crucial.
Overall, the LTC3260EMSE is valued for its compactness, versatility, and efficiency in generating both positive and negative outputs from a single supply source.

Equivalent

The LTC3260EMSE is a low noise, dual output charge pump DC/DC converter. Equivalent products might include:
1. MAX1680 – From Maxim Integrated, a dual-output charge pump inverter.
2. TPS60151 – From Texas Instruments, a high-efficiency charge pump.
3. ADM8828 – From Analog Devices, a regulated output charge pump inverter.

When selecting an equivalent, ensure the specifications such as output voltage, current rating, and noise level meet your requirements.

Features

The LTC3260EMSE is a versatile charge pump DC/DC converter designed for efficient power supply applications, offering dual output voltages with both positive and negative outputs. Key features include:
1. Input Voltage Range: Operates from a 4.5V to 32V input, making it versatile for various applications.
2. Output Voltage: Provides regulated positive and negative outputs, typically ±5V regulated output from a single input source.
3. Efficiency: High efficiency with very low quiescent current, optimizing power consumption and extending battery life in portable applications.
4. Low Noise: Features low noise output voltage, making it suitable for sensitive analog and mixed-signal applications.
5. Compact Package: Available in a small, thermally enhanced MSOP package, conserving space on printed circuit boards.
6. Protection Features: Includes built-in thermal shutdown and current limit protection for enhanced reliability.
7. Variable Frequency Operation: Supports a variable switching frequency to minimize electromagnetic interference (EMI) and optimize performance.
These features make the LTC3260EMSE suitable for a wide range of applications including battery-powered devices, industrial systems, and telecommunications.

Pinout

The LTC3260EMSE is a dual inductorless charge pump voltage converter with a 10-pin MSOP (Mini Small Outline Package). Its primary function is to generate both positive and negative regulated output voltages from a single input voltage. Here's a brief overview of its pin functions:
1. VIN: Input voltage.
2. VOUT: Positive output voltage.
3. C1P: Positive terminal for charge pump capacitor C1.
4. C1N: Negative terminal for charge pump capacitor C1.
5. C2P: Positive terminal for charge pump capacitor C2.
6. C2N: Negative terminal for charge pump capacitor C2.
7. GND: Ground connection.
8. VOUT2: Negative output voltage.
9. SHDN: Shutdown pin to enable or disable the device.
10. FLT: Fault indicator output.
The LTC3260EMSE efficiently converts input voltages to desired output levels without the need for inductors, making it suitable for compact and low-noise applications.

Manufacturer

The LTC3260EMSE is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits. These products are used in a wide range of electronic equipment, serving industries such as telecommunications, automotive, healthcare, industrial automation, and consumer electronics. Known for its innovation and high-performance products, Analog Devices plays a crucial role in enabling advancements in technology through its diverse portfolio of solutions.

Application

The LTC3260EMSE is a charge pump designed for applications requiring low noise and efficient power conversion. It is used in areas such as battery-powered devices, portable electronics, and industrial applications requiring dual outputs at both positive and negative voltages. Its ability to provide regulated output voltages makes it suitable for powering analog circuits, sensor interfaces, and mixed-signal ICs. Additionally, the LTC3260EMSE can be used in systems needing a compact design with minimal external components, particularly in situations where space and power efficiency are critical.

Package

The LTC3260EMSE is packaged in an MSOP-10 (Mini Small Outline Package with 10 pins). This package type is compact, making it suitable for applications requiring efficient use of board space.

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