LTC7801IFE#TRPBF

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LTC7801IFE#TRPBF

IC REG CTRLR SYNC BUCK 24TSSOP

100% gốc & amp; Mới

24 giờ sẵn sàng để vận chuyển

Bảo hành 365 ngày

RFQ & amp; Nhận thêm Giảm giá

Thông số kỹ thuật

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputType Transistor Driver
Function Step-Down
OutputConfiguration Positive
Topology Buck
NumberofOutputs 1
OutputPhases 1
Voltage-Supply(Vcc/Vdd) 4V ~ 140V
Frequency-Switching 50kHz ~ 900kHz
DutyCycle(Max) 100%
SynchronousRectifier No
ClockSync No
ControlFeatures Current Limit, Power Good, Soft Start, Tracking
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 24-TSSOP (0.173, 4.40mm Width) Exposed Pad

Tổng quan

Description

The LTC7801IFE#TRPBF is a high-performance, synchronous step-down DC/DC controller from Analog Devices, designed to efficiently convert high input voltages to lower output voltages. It operates over a wide input voltage range, typically from 4.5V to 60V, which makes it suitable for a variety of applications such as automotive, industrial, and distributed power systems. The controller can deliver output currents as high as 20A or more, depending on the choice of external components.
Key features of the LTC7801IFE#TRPBF include a low quiescent current design for improved efficiency, particularly in low-power or standby modes. Its constant-frequency, peak current mode architecture ensures stable operation over a wide range of conditions. The device supports both Burst Mode operation for improved efficiency at light loads and pulse-skipping or forced continuous operation modes for noise-sensitive applications. It also includes programmable frequency, soft-start, and tracking features, alongside robust protection mechanisms like overvoltage and overcurrent protection. The package type is a 28-lead TSSOP, which is compact and suitable for space-constrained designs.

Features

The LTC7801IFE#TRPBF is a high-performance synchronous step-down switching regulator controller designed by Analog Devices. It features a wide input voltage range from 4.5V to 60V, making it suitable for automotive and industrial applications. It can deliver high output currents by driving external N-channel MOSFETs. The LTC7801 offers a selectable fixed operating frequency from 320kHz to 2.25MHz or can be synchronized to an external clock within the same range.
Key features include low quiescent current for high efficiency, Burst Mode operation for light loads, and a high-speed differential remote sense amplifier for accurate output voltage regulation. It supports various operating modes such as pulse-skipping for noise-sensitive applications and spread spectrum frequency modulation to reduce EMI. The controller also includes soft-start capability, current-mode control, and extensive protection features like overvoltage, overcurrent, and thermal shutdown, ensuring robust performance in diverse conditions. The IC is housed in a thermally enhanced 24-lead DFN package, facilitating efficient heat dissipation.

Package

The LTC7801IFE#TRPBF is a step-down synchronous DC/DC controller from Analog Devices. The package type is a 28-lead Thermally Enhanced Plastic TSSOP (Thin Shrink Small Outline Package) with Exposed Pad.

Manufacturer

The LTC7801IFE#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in designing and manufacturing a wide range of analog, mixed-signal, and digital signal processing integrated circuits. These components are used in various applications, including industrial, automotive, healthcare, communication, and consumer electronics. The company is known for its high-performance solutions in areas such as data conversion, signal processing, power management, and RF (radio frequency) technologies.

Application

The LTC7801IFE#TRPBF is a high-performance synchronous step-down DC/DC switching regulator controller. It is commonly used in applications requiring efficient power management, such as distributed power systems, telecom and networking equipment, industrial systems, and automotive power supplies. Its high efficiency and wide input voltage range make it suitable for applications needing reliable and compact power conversion solutions.

Equivalent

The LTC7801IFE#TRPBF is a high-performance, high-voltage synchronous step-down DC/DC controller. Equivalent products include:
1. Texas Instruments LM5145-Q1 - A synchronous buck controller with similar voltage and current specifications.
2. Maxim Integrated MAX17503 - A high-efficiency, synchronous step-down converter that supports similar input voltage ranges.
3. Infineon IR3883 - Another synchronous buck regulator with comparable performance specifications.
Always verify specific electrical characteristics and application suitability when considering alternatives.

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