LT1617ES5

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LT1617ES5

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Switching Voltage Regulators LT1617 - Micropower Inverting DC/DC Converters in SOT-23

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Description

The LT1617ES5 is a high-efficiency boost converter manufactured by Analog Devices, under its Linear Technology line. It is designed to step up low input voltages to higher output voltages with impressive efficiency. The device is housed in a compact 5-lead SOT-23 package, making it suitable for space-constrained applications.
Key features of the LT1617ES5 include a wide input voltage range, typically from 1.2V to 15V, and the ability to deliver output voltages up to 34V. It operates with a current mode PWM control scheme and a fixed frequency of 1.4MHz, which helps minimize external component size and reduce overall solution footprint. The converter includes features like soft-start, undervoltage lockout, and thermal shutdown, enhancing its reliability and performance.
The LT1617ES5 is ideal for applications like battery-powered devices, portable electronics, and other systems requiring efficient voltage boosting in a small form factor. Its design simplicity and high efficiency make it a popular choice for engineers looking to implement voltage boost solutions.

Equivalent

The LT1617ES5 is a high-efficiency, step-up DC/DC converter. Equivalent products include:
1. TPS61097 series from Texas Instruments
2. NCP1402 series from ON Semiconductor
3. MIC2250 from Microchip Technology
These alternatives offer similar functionality, such as low quiescent current, high efficiency, and compact size. Always verify that the specifications and pin configurations align with your application needs before substituting components.

Features

The LT1617ES5 is a step-up DC/DC converter designed for efficient power management in electronic devices. Key features include:
1. High Efficiency: Capable of delivering high efficiency over a wide range of input and output voltages, making it suitable for battery-powered applications.
2. Low Input Voltage Operation: Supports input voltages as low as 1V, which is ideal for single-cell battery-powered devices.
3. Compact Package: Comes in a small SOT-23 package, ensuring a minimal footprint on PCBs, which is advantageous for space-constrained applications.
4. Wide Output Voltage Range: Can output voltages up to 34V, providing flexibility for various applications that require different voltage levels.
5. Shutdown Mode: Includes a low current shutdown mode that reduces power consumption when the device is not in use, extending battery life.
6. Current Limiting: Features current limiting to protect the device and connected components from damage due to excess current.
7. Ease of Use: Requires minimal external components, simplifying circuit design and reducing overall system cost.
These features make the LT1617ES5 a versatile choice for a variety of applications, such as portable electronics, battery-operated devices, and small power systems.

Pinout

The LT1617ES5 is a micropower step-up DC/DC converter designed by Linear Technology (now part of Analog Devices) and housed in a 5-lead SOT-23 package. Here's a concise overview of its pin count and functions:
1. Pin Count: The LT1617ES5 has a total of 5 pins.
2. Pin Functions:
- Pin 1 (SW): This is the switch pin. It connects to the inductor and the diode in the boost converter circuit.
- Pin 2 (GND): The ground pin, which serves as the return path for the circuit.
- Pin 3 (FB): The feedback pin, which is used to set the output voltage by connecting it to a resistor divider network.
- Pin 4 (SHDN): The shutdown pin, which can be used to enable or disable the device. Pulling it low shuts down the converter, reducing the quiescent current.
- Pin 5 (VIN): This is the input voltage pin, where the supply voltage is connected.
The LT1617ES5 provides efficient power conversion suitable for low-power applications, with the ability to operate from input voltages as low as 1V.

Manufacturer

The LT1617ES5 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 (DSP) integrated circuits. The company provides solutions for a wide range of applications, including industrial, automotive, consumer electronics, communication, and healthcare. Analog Devices is known for its high-performance signal processing products and plays a significant role in bridging the physical and digital worlds in various electronic devices.

Application

The LT1617ES5 is a high-efficiency step-up DC/DC converter designed for use in applications requiring compact, low-profile solutions with low power consumption. It is commonly used in battery-powered devices, such as portable electronics, where extending battery life is crucial. It can be applied in devices like digital cameras, medical instruments, and handheld communication devices. The LT1617ES5 is also suitable for generating bias voltages in LCD displays and OLED panels. Additionally, its capability to provide regulated output voltage from a lower input voltage makes it ideal for applications involving solar-powered devices and other energy-harvesting systems.

Package

The LT1617ES5 is packaged in a SOT-23-5 package. This is a small, surface-mount package that typically features five leads and is commonly used for space-constrained applications.

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