LT3070IUFD

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LT3070IUFD

IC REG LIN POS PROG 5A 28QFN

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規格

Package Tube
ProductStatus Obsolete
OutputConfiguration Positive
OutputType Programmable
NumberofRegulators 1
Voltage-Input(Max) 3V
Voltage-Output(Min/Fixed) 0.8V
Voltage-Output(Max) 1.8V
VoltageDropout(Max) 0.15V @ 5A
Current-Output 5A
Current-Quiescent(Iq) 1.8 mA
Current-Supply(Max) 2.3 mA
PSRR 66dB (120Hz)
ControlFeatures Enable, Power Good, Soft Start
ProtectionFeatures Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 28-WFQFN Exposed Pad

概述

Description

The LT3070IUFD is a high-performance, low-dropout (LDO) linear regulator designed by Analog Devices, formerly from Linear Technology. It is intended for applications requiring efficient power regulation with minimal voltage drop across the regulator. The device supports an output current of up to 5A and operates with a wide input voltage range, typically from 0.95V to 3.6V. One of its key features is the programmable output voltage, which can range from 0.8V to 1.8V, providing flexibility for various applications.
The LT3070IUFD offers fast transient response and excellent line and load regulation, making it suitable for powering sensitive components in high-performance systems, such as FPGAs, DSPs, and microprocessors. It includes features like programmable current limit, power good indicator, and output voltage tracking. The device is also thermally efficient, with a low thermal resistance package, and includes protection features like thermal shutdown and current limit protection.
Its compact footprint and high efficiency make it ideal for use in space-constrained environments, such as telecommunications, industrial, and computing applications.

Features

The LT3070IUFD is a high-performance linear regulator with several standout features. It provides an adjustable output voltage range from 0.8V to 3.6V and can deliver up to 5A of output current. The device is designed for low dropout voltage, making it ideal for applications requiring efficient power conversion. It offers excellent line and load regulation, ensuring stable output under varying input conditions.
Key features include a precision-enable pin, power-good output, and programmable current limit. Its fast transient response and low noise performance make it suitable for sensitive applications. The LT3070IUFD also supports soft-start functionality to minimize inrush current during startup. Thermal shutdown and current limit protections enhance its reliability and safety.
The regulator is packaged in a thermally enhanced DFN package, which facilitates efficient heat dissipation. It is designed for a broad range of applications, including telecommunications, industrial equipment, and high-performance computing systems. Overall, the LT3070IUFD combines robust performance, flexibility, and protection features, making it a versatile choice for various power management needs.

Package

The LT3070IUFD is a low-dropout linear regulator IC, housed in a 28-lead QFN (Quad Flat No-Lead) package, known as the UFD package type. This compact package is suitable for applications requiring efficient thermal performance and space-saving designs.

Pinout

The LT3070IUFD is a low dropout linear regulator manufactured by Analog Devices. It is designed to provide precise and stable power with high current capability. The device comes in a 28-pin 4mm × 5mm DFN (Dual Flat No-leads) package.
Key functions of the LT3070IUFD include:
1. High Output Current: It can deliver up to 5A of output current.
2. Low Dropout Voltage: It features a low dropout voltage, making it efficient for applications requiring minimal voltage overhead.
3. Programmable Voltage: The output voltage is adjustable from 0.8V to 1.8V via an external resistor divider.
4. Parallel Capability: Multiple LT3070IUFDs can be paralleled for applications needing more current.
5. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout to ensure safe operation under various conditions.
These attributes make the LT3070IUFD suitable for high-performance applications needing efficient power regulation and reliable operation. For detailed pin functionality, refer to the device's datasheet.

Manufacturer

The LT3070IUFD is manufactured by Linear Technology Corporation. Linear Technology, now part of Analog Devices, Inc. after a merger in 2017, is a company that specializes in the design, manufacturing, and marketing of a broad line of high-performance analog integrated circuits. These circuits are used in a variety of markets, including telecommunications, networking, industrial, automotive, and consumer electronics. The company is well-known for its development of power management, data conversion, signal conditioning, and high-frequency devices, among others.

Application

The LT3070IUFD is a low-dropout (LDO) linear regulator designed for precise voltage regulation in applications requiring high current and low noise. Its application areas include powering FPGAs, ASICs, microcontrollers, DSPs, and high-performance digital systems. It's suitable for use in telecommunications, data centers, networking equipment, and industrial automation systems where compact size and high-efficiency power management are crucial.

Equivalent

The LT3070IUFD is a low dropout (LDO) linear regulator from Analog Devices (formerly Linear Technology). Equivalent products include:
1. Texas Instruments TPS7A4701: A high-current, low-dropout linear regulator with similar features.
2. On Semiconductor NCP718: Offers similar functionality for low dropout voltage requirements.
3. Microchip MCP1755: Another alternative for low dropout applications with adjustable output voltage.

When selecting an equivalent, consider the specific electrical parameters and application requirements.

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