LTC3521EUF#TRPBF

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LTC3521EUF#TRPBF

IC REG BUCK BST ADJ TRPL 24QFN

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Spécifications

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Function Step-Down, Step-Up/Step-Down
OutputConfiguration Positive
Topology Buck, Buck-Boost
OutputType Adjustable
NumberofOutputs 3
Voltage-Input(Min) 1.8V
Voltage-Input(Max) 5.5V
Voltage-Output(Min/Fixed) 0.6V
Voltage-Output(Max) 5.5V
Current-Output 600mA, 1A
Frequency-Switching 1.1MHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 24-WFQFN Exposed Pad

Vue d'ensemble

Description

The LTC3521EUF#TRPBF is a high-efficiency, synchronous boost converter designed by Analog Devices. It is typically used to step up a lower input voltage to a stable, higher output voltage. The device integrates both the control circuitry and power MOSFETs within a compact package, which enhances efficiency and minimizes the need for external components.
Key features include a wide input voltage range, low quiescent current, and a fixed switching frequency, which helps minimize output noise and improves overall performance. The synchronous rectification ensures higher efficiency, especially at lower output power levels. It also includes features like over-temperature protection and short-circuit protection for enhanced reliability.
The LTC3521EUF#TRPBF is commonly used in battery-powered devices, where extending battery life is crucial, as well as in applications requiring a stable power supply, such as portable electronics, sensors, and communication devices. Its small form factor makes it suitable for space-constrained designs.

Features

The LTC3521EUF#TRPBF is a high-efficiency, synchronous step-up DC/DC converter designed by Analog Devices (formerly Linear Technology). Key features include:
1. Wide Input Voltage Range: It supports input voltages from 0.7V to 5.25V, making it versatile for various applications, including those powered by single-cell alkaline or multi-cell batteries.
2. Output Voltage: The device can generate output voltages as high as 5.25V.
3. Efficiency: It offers high efficiency, up to 95%, due to its synchronous rectification.
4. Output Current: Capable of delivering up to 200mA output current.
5. Low Quiescent Current: With a low quiescent current of 25μA, it is suitable for battery-powered applications.
6. Automatic Burst Mode: This feature helps maintain high efficiency at light loads.
7. Soft-Start: Built-in soft-start reduces inrush current during startup.
8. Compact Package: Housed in a 12-lead 3mm x 3mm DFN package, it's suitable for space-constrained designs.
9. Protection Features: Includes over-temperature and over-current protection to enhance reliability.
These features make the LTC3521EUF#TRPBF ideal for portable electronics, medical devices, and other applications where efficiency and compact size are crucial.

Package

The LTC3521EUF#TRPBF is a step-up DC/DC converter from Analog Devices, packaged in a 16-lead QFN (Quad Flat No-Lead) package. The "#TRPBF" indicates it is supplied in a tape and reel format for automated assembly and is RoHS compliant (Pb-free).

Pinout

The LTC3521EUF#TRPBF is a step-up DC/DC converter manufactured by Analog Devices (formerly Linear Technology). It is designed to provide efficient voltage conversion for battery-operated devices and other applications.
The device comes in a 16-pin QFN (Quad Flat No-Lead) package. Its primary function is to step up (boost) an input voltage to a higher output voltage, with features such as low quiescent current, high efficiency, and the ability to start with low input voltages. The LTC3521EUF#TRPBF is generally used in applications like portable electronics, battery-powered devices, and other situations where maintaining or boosting voltage is necessary for the operation of the device.
For precise pin configuration and detailed functionality, refer to the datasheet or technical documentation provided by Analog Devices.

Manufacturer

The LTC3521EUF#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational company that specializes in the design and manufacturing of semiconductor devices, particularly those used in analog, mixed-signal, and digital signal processing applications. The company provides a wide range of products including amplifiers, data converters, power management devices, and sensors, serving various markets such as industrial, automotive, communications, healthcare, and consumer electronics. Analog Devices is known for its innovative solutions and contributions to the advancement of technology in electronics and signal processing.

Application

The LTC3521EUF#TRPBF is a dual-output, high-efficiency, synchronous boost converter. Its application areas include portable electronics, battery-powered devices, handheld instruments, medical devices, and other systems requiring efficient power management with dual outputs. The device is ideal for applications needing compact power solutions with low quiescent current and high efficiency across a broad range of loads.

Equivalent

The LTC3521EUF#TRPBF is a dual synchronous step-up DC/DC converter. Equivalent products include the Texas Instruments TPS61088, Maxim Integrated MAX17222, and Analog Devices ADP1621. These alternatives offer similar functionalities like step-up operation with integrated switches, but make sure to compare specific features such as voltage range, current capability, and efficiency to ensure compatibility with your application.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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