LTC3545EUD-1#PBF

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LTC3545EUD-1#PBF

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IC REG BUCK ADJ 800MA TRPL 16QFN

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Especificações

Atributo Valor
Package Tube
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 3
Voltage-Input(Min) 2.25V
Voltage-Input(Max) 5.5V
Voltage-Output(Min/Fixed) 0.6V
Voltage-Output(Max) 5.5V
Current-Output 800mA
Frequency-Switching 2.25MHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 16-WFQFN Exposed Pad

Visão Geral

Description

The LTC3545EUD-1#PBF is a high-efficiency, monolithic synchronous step-down regulator designed by Analog Devices (formerly Linear Technology). It is optimized for driving up to 500mA of output current from a wide input voltage range of 2.25V to 5.5V, making it suitable for applications like portable electronics and distributed power systems. This regulator operates with a fixed 1.5MHz frequency, allowing for small external components and a compact solution footprint. The device features low quiescent current and high efficiency, which is particularly beneficial for battery-powered applications.
Key features include a user-selectable mode for Burst Mode® operation, which enhances efficiency at light loads, and a current mode operation for excellent line and load transient response. The LTC3545EUD-1#PBF also offers over-temperature and short-circuit protection. It comes in a 10-lead 3mm × 3mm DFN package, which optimizes thermal performance and board space. This device is designed to deliver reliable performance while maintaining low noise and ripple, making it ideal for sensitive electronic environments.

Equivalent

The LTC3545EUD-1#PBF is a high-efficiency, triple-output step-down regulator. Equivalent products might include:
1. Texas Instruments TPS65251 - Triple-synchronous step-down converter.
2. Maxim Integrated MAX15062 - Triple-output step-down regulator.
3. Analog Devices ADP5135 - Triple-output DC-DC converter.
4. Microchip MCP16311 - Triple-output step-down regulator.
Ensure voltage, current, and other specifications match your requirements when selecting an alternative.

Features

The LTC3545EUD-1#PBF is a high-efficiency, multi-output, step-down DC/DC converter designed for compact and efficient power management. Key features include:
1. Triple Output: Provides three independent outputs to power multiple system components.
2. High Efficiency: Delivers up to 95% efficiency, optimizing power usage.
3. Compact Package: Available in a 16-lead (5mm x 3mm) DFN package, suitable for space-constrained applications.
4. Wide Input Voltage Range: Supports an input range from 2.25V to 5.5V, making it compatible with single-cell lithium-ion batteries and other power sources.
5. Adjustable Output Voltage: Allows for precise voltage adjustments to meet specific application requirements.
6. Low Quiescent Current: Minimizes power consumption in low-load and standby conditions.
7. Fast Transient Response: Responds quickly to changes in load conditions, maintaining stable output.
8. Short-Circuit and Thermal Protection: Ensures safety and reliability under fault conditions.
9. Synchronization Capability: Enables frequency synchronization for noise-sensitive applications.
These features make the LTC3545EUD-1#PBF suitable for portable electronics, communications equipment, and other applications requiring efficient power management.

Pinout

The LTC3545EUD-1#PBF is a triple output, high-efficiency monolithic synchronous step-down regulator from Analog Devices. It comes in a 16-lead (pin) exposed pad plastic TSSOP (Thin Shrink Small Outline Package).
Its function is to provide three independent output voltages from a single input voltage source, typically used for applications requiring multiple low voltage outputs from a higher voltage input, such as battery-powered devices, portable instruments, and distributed power systems. Each regulator channel can deliver up to 800mA of output current, making it suitable for powering different components with varying voltage requirements within a compact form factor.

Manufacturer

The LTC3545EUD-1#PBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational company specializing in the design and manufacturing of semiconductor products and solutions. The company is known for its work in analog, mixed-signal, and digital signal processing technologies. Analog Devices provides a wide range of products used in various applications, including industrial, automotive, telecommunications, consumer electronics, and healthcare. Their portfolio includes amplifiers, converters, sensors, power management devices, and more, focusing on high-performance and high-reliability applications.

Application

The LTC3545EUD-1#PBF is a high-efficiency, multi-output step-down DC/DC converter. Its application areas include portable electronic devices, battery-powered systems, and handheld devices. It is suitable for applications requiring multiple voltage rails from a single input source, such as smartphones, PDAs, digital cameras, and portable media players. Its compact design and high efficiency make it ideal for space-constrained applications where power efficiency is crucial.

Package

The LTC3545EUD-1#PBF is a step-down regulator in a 16-lead (5mm x 3mm) Plastic DFN (Dual Flat No-Lead) package.

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