LT3080EQ

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LT3080EQ

IC REG LIN POS ADJ 1.1A DDPAK-5

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Spécifications

Part Status Active
Output Configuration Positive
Output Type Adjustable
Number of Regulators 1
Voltage - Input (Max) 36V
Voltage - Output (Min/Fixed) 0V
Voltage - Output (Max) 36V
Voltage Dropout (Max) 1.6V @ 1.1A
Current - Output 1.1A
Current - Quiescent (Iq) 10.1 µA
PSRR 75dB ~ 20dB (120Hz ~ 1MHz)
Control Features Soft Start
Protection Features Over Current, Over Temperature, Short Circuit
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case TO-263-6, D2PAK (5 Leads + Tab), TO-263BA
Supplier Device Package DDPAK-5
Current - Supply (Max) 30 mA

Vue d'ensemble

Description

The LT3080EQ is a low-dropout (LDO) linear voltage regulator designed by Analog Devices. It provides an adjustable output voltage ranging from 1.2V to 36V with an output current capability of up to 1.1A. The device features a low quiescent current of just 1.5mA, making it suitable for battery-powered applications.
Key features include a dropout voltage of 300mV at full load, thermal shutdown protection, and excellent load and line regulation. The LT3080EQ also supports a wide range of input voltages, making it versatile for various applications, including point-of-load regulation and post-regulation for switching power supplies.
Its design incorporates a unique current source architecture, allowing it to maintain stability across a wide range of output capacitors, including ceramic types. The device is available in different package options, facilitating easy integration into compact designs. Overall, the LT3080EQ is an efficient solution for applications requiring reliable voltage regulation with minimal power loss.

Features

The LT3080EQ is a low dropout (LDO) linear voltage regulator designed for precision applications. Key features include:
- Adjustable Output Voltage: Capable of providing an output voltage from 0V to 36V, allowing flexibility in various applications.
- Low Dropout Voltage: Offers a dropout voltage of only 300mV at 1A load, ensuring efficient operation.
- High Output Current: Delivers up to 1.1A of output current, suitable for demanding loads.
- Thermal Protection: Integrated thermal shutdown and current limiting for enhanced safety.
- Low Noise: Designed for low noise operation, making it ideal for sensitive analog applications.
- Wide Input Voltage Range: Accepts input voltages from 1.5V to 40V.
- Temperature Range: Operating over a wide temperature range of -40°C to 125°C.
- Compact Package: Available in a compact 3mm × 3mm DFN package, facilitating space-saving designs.
These features make the LT3080EQ suitable for applications in automotive, industrial, and precision analog circuits.

Package

The LT3080EQ is available in a 3-lead TO-220 package type.

Pinout

The LT3080EQ is a low-dropout linear voltage regulator from Analog Devices. It has a total of 8 pins. Here’s a brief overview of the pin configuration and their functions:
1. VIN (Pin 1): Input voltage supply.
2. GND (Pin 2): Ground reference.
3. VOUT (Pin 3): Regulated output voltage.
4. ADJ (Pin 4): Adjustment pin for setting the output voltage.
5. PROG (Pin 5): Connects a capacitor to set the output transient response.
6. SENSE (Pin 6): Voltage sensing pin for improved regulation accuracy.
7. NC (Pin 7): No Connect; not internally connected.
8. NC (Pin 8): No Connect; not internally connected.
The LT3080EQ is notable for its adjustable output voltage, low dropout voltage, and high output current capability, making it suitable for various applications requiring precise voltage regulation.

Manufacturer

The LT3080EQ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in designing and manufacturing high-performance analog, mixed-signal, and digital signal processing integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices serves a variety of markets, including communications, automotive, industrial, healthcare, and consumer electronics. The LT3080EQ is a low dropout (LDO) linear voltage regulator known for its accuracy and capability to deliver a stable output voltage, making it suitable for various applications in power management and signal conditioning.

Application

The LT3080EQ is a low-dropout linear regulator (LDO) used in various applications, including precision analog circuits, automotive electronics, telecommunications, and power management systems. It is ideal for powering sensitive devices requiring stable output voltage, such as amplifiers, sensors, and microcontrollers. Its low noise and high power supply rejection ratio (PSRR) make it suitable for RF and mixed-signal applications. Additionally, it can be used in battery-powered systems due to its low quiescent current.

Equivalent

The LT3080EQ is a low dropout (LDO) linear regulator. Equivalent products include the LM1084, LM1085, and LM317 from Texas Instruments, as well as the MCP1825 from Microchip. Other alternatives are the TPS7A47 from Texas Instruments and the MIC2940 from Microchip. Ensure to check specifications like output current, voltage range, and dropout voltage when selecting an equivalent.

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