LTC3850EUFD#TRPBF

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LTC3850EUFD#TRPBF

IC REG CTRLR BUCK 28QFN

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Spezifikationen

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputType Transistor Driver
Function Step-Down
OutputConfiguration Positive
Topology Buck
NumberofOutputs 2
OutputPhases 2
Voltage-Supply(Vcc/Vdd) 4V ~ 24V
Frequency-Switching 250kHz ~ 780kHz
DutyCycle(Max) 97.2%
SynchronousRectifier Yes
ClockSync No
ControlFeatures Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 28-WFQFN Exposed Pad

Übersicht

Description

The LTC3850EUFD#TRPBF is a high-performance dual output synchronous step-down switching regulator controller. It is designed by Analog Devices (formerly Linear Technology) to deliver high-efficiency power conversion in compact applications. The device operates over a wide input voltage range and is capable of delivering up to 25A per output, making it suitable for a variety of power supply designs.
Key features of the LTC3850 include its ability to operate at high switching frequencies of up to 750kHz, which allows for smaller external components and a compact overall design. It supports current mode control for fast transient response and offers programmable output voltages and frequency, enabling flexibility in power supply design. The part is also equipped with features like an adjustable soft-start, tracking, and overcurrent protection, enhancing its reliability and performance in demanding applications.
The "EUFD" in its part number indicates a thermally enhanced, plastic package, while "#TRPBF" denotes RoHS compliance with lead-free finish and tape-and-reel packaging for automated assembly. This makes the LTC3850EUFD#TRPBF suitable for use in a wide range of electronic applications requiring efficient power management.

Features

The LTC3850EUFD#TRPBF is a high-performance dual step-down switching regulator controller designed by Analog Devices. Key features include:
1. Dual Outputs: It can independently regulate two outputs with adjustable voltages, providing flexibility for multiple applications.
2. Wide Input Voltage Range: Supports a broad input voltage range suitable for various power sources.
3. High Efficiency: Designed for high efficiency, with efficiency-boosting features like synchronous rectification and a low quiescent current.
4. Current-mode Control: Employs current-mode control for fast transient response and stable operation.
5. Programmable Frequency: Switching frequency is programmable up to 770kHz, enabling optimization for efficiency or size.
6. Synchronization Capability: Can be synchronized to an external clock, allowing for reduced interference and noise.
7. Soft-start and Tracking: Features soft-start to prevent inrush current and tracking for coordinating startup with other power supplies.
8. Fault Protection: Includes overvoltage, undervoltage, and overcurrent protection to enhance reliability and safety.
9. Thermal Performance: Offered in a thermally enhanced QFN package, which aids in heat dissipation.
10. Compact Size: The compact and efficient design makes it suitable for space-constrained applications.
These features make the LTC3850EUFD#TRPBF ideal for applications requiring robust power management solutions.

Package

The LTC3850EUFD#TRPBF is housed in a 28-lead, plastic, 4mm x 5mm, QFN (Quad Flat No-leads) package. This type of package is compact, suitable for high-density applications, and provides efficient heat dissipation and electrical performance.

Pinout

The LTC3850EUFD#TRPBF is a dual-output synchronous step-down switching regulator controller manufactured by Analog Devices. It comes in a 5mm x 5mm QFN (Quad Flat No-leads) package with a pin count of 32.
The main functions of the LTC3850 include:
1. Dual-Output Regulation: It controls two independent synchronous step-down switching regulator channels, allowing for high efficiency and compact design.

2. Wide Input Voltage Range: The device operates with a wide input voltage range, making it suitable for various applications.
3. Current-Mode Control: It employs a current-mode control architecture, which provides fast transient response and simple compensation.
4. Programmable Switching Frequency: The switching frequency can be programmed from 250kHz to 750kHz, providing flexibility in design optimization.
5. Precision Voltage Reference: The device features a precision internal reference for accurate output voltage regulation.
6. Fault Protection: It includes features like overvoltage protection, overcurrent protection, and thermal shutdown to enhance system reliability.
7. Synchronization Capability: The LTC3850 can be synchronized to an external clock for noise-sensitive applications.
These characteristics make it suitable for applications demanding efficient power management in compact spaces.

Manufacturer

The LTC3850EUFD#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational company that designs and manufactures semiconductor products and solutions. It is well-known for its high-performance analog, mixed-signal, and digital signal processing (DSP) technology. The company serves a wide range of industries, including communications, automotive, healthcare, industrial, and consumer electronics. Analog Devices is recognized for its innovation and focus on creating solutions that bridge the physical and digital worlds.

Application

The LTC3850EUFD#TRPBF is a dual output, synchronous step-down DC/DC controller used in various applications, including power supplies for computing, telecommunications, networking equipment, industrial systems, and automotive electronics. It supports high efficiency and precise output voltage regulation, making it suitable for systems requiring reliable power management and multiple voltage rails.

Equivalent

The LTC3850EUFD#TRPBF is a dual-output, step-down DC/DC controller. Equivalent products include the Texas Instruments TPS40140, Maxim Integrated MAX15025, and ON Semiconductor NCP81253. These alternatives offer similar functionalities such as dual-output control and synchronous rectification, although specific features and performance may vary. Always verify compatibility with your specific application requirements before selecting an equivalent.

Versand

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von FedEx: Versandkosten reichen von $25-$40 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

UPS: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

TNT: Versandkosten reichen von $25-$65 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

EMS: Versandkosten reichen von $30-$50 (0.5kg), mit einer geschätzten Lieferzeit von 7-15 Werktagen.

Registrierte Luftpost: Versandkosten sind $ 2- $ 4 (0,1 kg), mit einer geschätzten Lieferzeit von 5-20 Werktagen.

Zahlungen

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