LTC3539EDCB-2#TRPBF

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LTC3539EDCB-2#TRPBF

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IC REG BOOST ADJ 2A 8DFN

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Spezifikationen

Attribut Wert
PartStatus Active
Function Step-Up
OutputConfiguration Positive
Topology Boost
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 0.5V
Voltage-Input(Max) 5V
Voltage-Output(Min/Fixed) 1.5V
Voltage-Output(Max) 5.25V
Current-Output 2A (Switch)
Frequency-Switching 2MHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-WFDFN Exposed Pad
SupplierDevicePackage 8-DFN (2x3)
BaseProductNumber LTC3539

Übersicht

Description

The LTC3539EDCB-2#TRPBF is a high-efficiency, synchronous step-down DC-DC converter designed for low input voltage applications. It operates effectively with input voltages ranging from 2.5V to 15V and can deliver up to 1A of output current. The device features a compact 3mm x 3mm DFN package, making it suitable for space-constrained designs.
Key features include low quiescent current, high output voltage accuracy, and the ability to operate in both continuous and pulse-skipping modes to optimize efficiency across different load conditions. It also includes protection features like over-temperature and over-current protection.
The LTC3539 is particularly useful in battery-powered applications, such as portable electronics and IoT devices, where efficient power management is crucial. Its low dropout and high switching frequency allow for reduced component size and improved performance. Overall, the LTC3539EDCB-2#TRPBF is an excellent choice for designers needing a reliable and efficient DC-DC conversion solution.

Equivalent

The LTC3539EDCB-2#TRPBF is a step-up DC-DC converter from Analog Devices. Equivalent products include the TPS61032 from Texas Instruments, the LT1302 from Analog Devices, and the LM2577 from Texas Instruments. When selecting an equivalent, consider factors like output voltage, current rating, efficiency, and package type to ensure compatibility with your specific application.

Features

The LTC3539EDCB-2#TRPBF is a high-efficiency, synchronous buck-boost converter designed for battery-operated applications. Key features include:
1. Input Voltage Range: Operates from 2.5V to 5.5V, suitable for single-cell lithium-ion batteries.
2. Output Voltage: Delivers adjustable output voltage from 2.5V to 5.25V.
3. Efficiency: High efficiency up to 95%, minimizing power loss and extending battery life.
4. Output Current: Capable of providing up to 600mA of output current.
5. Low Quiescent Current: Draws only 2µA in sleep mode, optimizing battery life in low-power applications.
6. Integrated Switches: Includes internal power switches to reduce external component count.
7. Soft-Start: Features soft-start functionality to limit inrush current during startup.
8. Protection Features: Incorporates overvoltage, undervoltage, and thermal shutdown protections for reliable operation.
9. Package: Available in a compact 3mm × 3mm DFN package, ideal for space-constrained designs.
These features make the LTC3539EDCB-2#TRPBF suitable for portable devices, IoT applications, and other battery-powered systems.

Pinout

The LTC3539EDCB-2#TRPBF is a compact, high-efficiency boost converter from Analog Devices, specifically designed for powering devices from low-voltage sources like single-cell lithium-ion batteries. It features a 10-pin (DFN package) configuration.
Pin Count: 10 pins
Functions of Key Pins:
1. VIN: Input voltage (2.7V to 5.5V).
2. SW: Switch node for inductor connection.
3. VOUT: Output voltage for the boosted signal.
4. GND: Ground reference.
5. PGND: Power ground for the internal switching circuit.
6. COMP: Compensation network connection for stability.
7. EN: Enable pin to turn on/off the device.
8. Rset: Resistor connection for setting output voltage.
9. SENSE: Current sensing for overcurrent protection.
10. LIM: Pin for setting current limit.
Overall, the LTC3539EDCB-2#TRPBF is optimized for low quiescent current and high efficiency, making it suitable for battery-powered applications.

Manufacturer

The manufacturer of the LTC3539EDCB-2#TRPBF is Analog Devices, Inc. (ADI). Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company specializes in providing solutions for various applications, including communications, industrial, automotive, and consumer electronics. Analog Devices is known for its innovation in the semiconductor industry, particularly in areas like data conversion, signal processing, and power management. The LTC3539EDCB-2#TRPBF itself is a low-noise, high-efficiency boost converter designed for powering devices in battery-powered applications.

Application

The LTC3539EDCB-2#TRPBF is a highly efficient buck-boost converter designed for powering devices from a wide range of input voltages. Its application areas include portable battery-powered devices, energy harvesting systems, LED drivers, and RF modules. It's particularly suited for applications requiring low quiescent current, such as wearables and IoT devices. The converter can also be used in automotive and industrial applications where space is limited and efficiency is crucial. Overall, it is ideal for scenarios where the input voltage can be above, below, or equal to the output voltage.

Package

The LTC3539EDCB-2#TRPBF is packaged in a 10-lead MSOP (Mini Small Outline Package) with a 3mm x 3mm footprint. This surface-mount package is designed for compact applications, providing efficient thermal performance and space-saving benefits.

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