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LT8640IUDC#TRPBF

Name: LT8640IUDC#TRPBF
Rating: 4.7 (12 reviews)

IC REG BUCK ADJ 5A 20QFN

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資料表 LT8640IUDC#TRPBF DataSheet
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規格

Series	Silent Switcher®1
Part Status	Active
Function	Step-Down
Output Configuration	Positive
Topology	Buck
Output Type	Adjustable
Number of Outputs	1
Voltage - Input (Min)	3.4V
Voltage - Input (Max)	42V
Voltage - Output (Min/Fixed)	0.97V
Voltage - Output (Max)	42V
Current - Output	5A
Frequency - Switching	210kHz ~ 2MHz
Synchronous Rectifier	Yes
Operating Temperature	-40°C ~ 125°C (TJ)
Mounting Type	Surface Mount
Package / Case	20-WFQFN, 18 Leads, Exposed Pad
Supplier Device Package	20-QFN (3x4)
Base Product Number	LT8640

概述

Description

The LT8640IUDC#TRPBF is a high-performance, low-noise, step-down (buck) voltage regulator designed by Analog Devices (formerly Linear Technology). It efficiently converts a wide input voltage range (from 3V to 65V) into a stable output voltage, making it suitable for various applications, including automotive and industrial systems.
Key features include a high efficiency of up to 95% at full load, a 2A output current capability, and a switching frequency adjustable from 200 kHz to 2.2 MHz. It also boasts a low ripple and noise output, enhancing performance in sensitive applications. The device supports a wide range of output voltages down to 0.8V, features built-in overcurrent protection, and can operate in a low quiescent current mode for battery-powered devices.
The LT8640IUDC#TRPBF comes in a thermally efficient package, making it suitable for compact designs. Its performance and versatility make it an excellent choice for engineers looking to implement efficient power management solutions.

Features

The LT8640IUDC#TRPBF is a high-efficiency, step-down (buck) regulator designed by Analog Devices. Key features include:
- Input Voltage Range: Operates from 3.0V to 65V, accommodating a wide range of input sources.
- Output Current: Capable of delivering up to 4A of output current.
- High Efficiency: Offers efficiency up to 95%, minimizing heat generation and power loss.
- Low Quiescent Current: Features a low quiescent current of 6µA, enhancing performance in battery-powered applications.
- Switching Frequency: Fixed frequency operation at either 2MHz or 1MHz, allowing for smaller inductors and capacitors.
- Thermal Protection: Built-in thermal shutdown and current limit features for reliable operation.
- External Compensation: Allows for easy design and stability adjustment.
- Small Package: Available in a compact 16-lead TSSOP package.
This combination of features makes the LT8640IUDC#TRPBF suitable for a variety of applications, including automotive, industrial, and portable devices.

Package

The LT8640IUDC#TRPBF is packaged in a 16-lead, thermally enhanced TSSOP (Thin Shrink Small Outline Package) configuration.

Pinout

The LT8640IUDC#TRPBF is a low noise, high efficiency buck converter from Analog Devices, featuring a total of 16 pins.
Key functions include:
- Input Voltage Range: Accepts input voltages from 3.5V to 17V.
- Adjustable Output Voltage: The output voltage can be adjusted from 0.8V to 15V.
- High Efficiency: Designed to provide up to 2A output current with efficiencies exceeding 90%.
- Silent Switcher Technology: Minimizes electromagnetic interference (EMI) noise.
- Power Good Indicator: Monitors output voltage.
- Compensation and Switching Frequency: Fixed frequency with options for external compensation.
Additional features include soft-start capability, thermal shutdown, and protection features such as current limit and short-circuit protection.
Overall, the LT8640IUDC#TRPBF is suitable for various applications requiring efficient voltage regulation in compact designs.

Manufacturer

The manufacturer of the LT8640IUDC#TRPBF is Analog Devices, Inc. Analog Devices is a multinational company that specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, the company is known for its innovative technologies that serve various industries, including telecommunications, automotive, industrial automation, healthcare, and consumer electronics. The LT8640 is a low-noise, high-efficiency step-down (buck) regulator, demonstrating Analog Devices' commitment to providing advanced solutions for power management applications.

Application

The LT8640IUDC#TRPBF is a high-performance synchronous step-down regulator, primarily used in applications such as automotive power management, industrial equipment, telecommunications, and battery-powered devices. It is suitable for powering microcontrollers, sensors, and RF modules, thanks to its high efficiency, low noise, and compact design, making it ideal for space-constrained environments.

Equivalent

The LT8640IUDC#TRPBF is a high-efficiency synchronous step-down regulator. Equivalent products include:
1. TPS563201 - Texas Instruments
2. LM2675 - Texas Instruments
3. MP1584 - Monolithic Power Systems
4. RT8205 - Richtek
Always check the specific application requirements, including input/output voltage, current, and package type, for compatibility.