LTC1517ES5-3.3

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LTC1517ES5-3.3

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Switching Voltage Regulators LTC1517-3.3 - Micropower, Regulated 3.3V Charge Pump in a 5-Pin SOT-23 Package

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Description

The LTC1517ES5-3.3 is a fixed-output step-up DC/DC converter designed to provide a stable 3.3V output from lower voltage inputs. It is part of the LTC1517 series from Analog Devices, known for its high efficiency and compact design. The device is typically housed in a small SOT-23 package, making it suitable for portable and space-constrained applications.
Key features include low quiescent current, which helps to maximize battery life, and an internal switch that minimizes external component count. It operates efficiently over a wide range of input voltages and is capable of delivering sufficient output current for various applications, such as powering microcontrollers and other low-power electronics.
The LTC1517ES5-3.3 also includes built-in protection features like short-circuit protection and thermal shutdown, ensuring robustness in different operating conditions. With its ease of use and reliable performance, it is commonly utilized in battery-powered devices, handheld instruments, and other applications requiring efficient voltage boosting.

Equivalent

The LTC1517ES5-3.3 is a micropower, regulated charge pump DC/DC converter that provides a 3.3V output from a 2.7V to 5.5V input. Equivalent products may include:
1. MAX1724 from Maxim Integrated: Similar low-power step-up DC/DC converter with 3.3V output.
2. TPS61070 from Texas Instruments: Offers boost converter features for similar applications.
3. MCP1640 from Microchip Technology: DC-DC boost converter for low-power applications.

Ensure compatibility with your specific application requirements.

Features

The LTC1517ES5-3.3 is a micropower step-up DC/DC converter designed by Linear Technology, now part of Analog Devices. Key features include:
1. Output Voltage: Provides a fixed output voltage of 3.3V.
2. Input Voltage Range: Operates from a low input voltage range of 1.2V to 3.6V, making it suitable for single-cell battery applications.
3. Low Quiescent Current: Extremely low quiescent current of approximately 9µA ensures high efficiency and is ideal for battery-powered devices.
4. Shutdown Mode: Incorporates a shutdown feature reducing supply current to less than 1µA for energy conservation.
5. Compact Package: Available in a small, space-saving SOT-23 package, which is beneficial for compact and portable electronic devices.
6. Efficiency: Designed for high efficiency, typically over 80%, to maximize battery life.
7. Short-Circuit Protection: Built-in short-circuit protection enhances the reliability of the power supply.
8. Ease of Use: Requires minimal external components, simplifying circuit design.
These features make the LTC1517ES5-3.3 a practical choice for applications such as portable electronics, battery-powered devices, and low-power systems.

Pinout

The LTC1517ES5-3.3 is a 5-pin SOT-23 low dropout (LDO) voltage regulator. Its primary function is to provide a regulated output voltage of 3.3V from a higher input voltage. The pin configuration is as follows:
1. GND - Ground connection for the device.
2. V_IN - Input voltage pin where the unregulated voltage is supplied.
3. V_OUT - Output voltage pin providing the regulated 3.3V.
4. SHDN (Shutdown) - This pin can be used to enable or disable the regulator. Pulling this pin low will disable the output voltage, reducing power consumption.
5. NC (No Connect) - This pin is typically not connected internally and does not have a function.
The LTC1517ES5-3.3 is used in various applications requiring a stable 3.3V output from a higher voltage source, including battery-powered devices and systems with varying input voltages.

Manufacturer

The LTC1517ES5-3.3 is manufactured by Analog Devices, Inc. This company specializes in the design and manufacturing of semiconductor products, particularly focusing on analog, mixed-signal, and digital signal processing technologies. Analog Devices serves various industries, including automotive, communications, consumer electronics, healthcare, and industrial markets. Their products are used in a wide range of applications, such as data conversion, signal processing, power management, and sensing.

Application

The LTC1517ES5-3.3 is a micropower, fixed-output, low-dropout (LDO) voltage regulator primarily used in applications requiring efficient, stable power delivery in compact spaces. Its application areas include:
1. Battery-Powered Devices: Ideal for extending battery life in portable electronics like smartphones, tablets, and wearables.
2. Wireless Communication: Supports power regulation in RF modules and wireless communication devices.
3. Sensor Networks: Used in IoT devices and sensor networks for efficient energy use.
4. Consumer Electronics: Powers stable voltages in gadgets like digital cameras and MP3 players.
5. Industrial Equipment: Offers reliable power regulation in industrial automation systems.
These applications leverage its low quiescent current, low dropout voltage, and small footprint.

Package

The LTC1517ES5-3.3 is a low dropout (LDO) linear regulator from Analog Devices, packaged in a SOT-23 (Small Outline Transistor) package with five pins. This compact package is suitable for space-constrained applications.

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