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LT3083EQ#PBF

Name: LT3083EQ#PBF
Rating: 4.7 (12 reviews)

IC REG LINEAR POS ADJ 3A DDPAK-5

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資料表 LT3083EQ#PBF DataSheet
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規格

Part Status	Active
Output Configuration	Positive
Output Type	Adjustable
Number of Regulators	1
Voltage - Input (Max)	23V
Voltage - Output (Min/Fixed)	0V
Voltage - Output (Max)	23V
Voltage Dropout (Max)	0.51V @ 3A
Current - Output	3A
Current - Quiescent (Iq)	50.5 µA
Current - Supply (Max)	1 mA
PSRR	85dB ~ 20dB (120Hz ~ 1MHz)
Protection Features	Over Current, Over Temperature, Short Circuit
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	TO-263-6, D2PAK (5 Leads + Tab), TO-263BA
Supplier Device Package	DDPAK-5
Base Product Number	LT3083

概述

Description

The LT3083EQ#PBF is a precision linear voltage regulator designed by Analog Devices. It features a low dropout (LDO) performance, allowing it to provide a stable output voltage with minimal input-output voltage differential. Key specifications include an output current capability of up to 1.1A, an adjustable output voltage range from 0V to 36V, and a low dropout voltage of around 300mV at full load.
This regulator is ideal for applications requiring low noise and high accuracy, including RF and analog circuits. It also includes current limiting and thermal shutdown features for enhanced protection. The LT3083 operates over a wide temperature range and is packaged in a compact surface mount configuration, making it suitable for various space-constrained designs.
Overall, the LT3083EQ#PBF provides high performance and versatility for a range of power management applications in electronic systems.

Features

The LT3083EQ#PBF is a low dropout (LDO) linear voltage regulator designed for high-performance applications. Key features include:
1. Output Current: Supports up to 1.1A output current.
2. Dropout Voltage: Low dropout voltage of 45mV at 1A load, enabling operation with minimal input-output voltage difference.
3. Adjustable Output: Output voltage can be set from 0V to 40V with external resistors.
4. Thermal Protection: Includes built-in thermal protection to prevent overheating.
5. Low Noise: Provides low output noise, making it suitable for sensitive analog and RF applications.
6. Wide Supply Range: Input voltage range from 1.5V to 40V.
7. Fast Transient Response: Offers excellent transient response to load changes.
8. Compact Package: Available in a 3mm x 3mm DFN package for space-constrained designs.
These features make the LT3083EQ#PBF a versatile choice for powering various electronic circuits and devices.

Package

The LT3083EQ#PBF is packaged in a 3x3 mm DFN (Thin Fine Pitch) package.

Pinout

The LT3083EQ#PBF is a low dropout (LDO) voltage regulator with a pin count of 8. The functions of its pins are as follows:
1. VIN: Input voltage supply.
2. VOUT: Regulated output voltage.
3. GND: Ground reference.
4. ADJ: Adjustable output voltage pin, used to set the output voltage with a resistor divider.
5. SENSE: Used for remote sensing to improve load regulation.
6. NC: No Connection; not internally connected.
7. PGND: Power ground for high current paths.
8. SHDN: Shutdown control; active low to turn off the regulator.
The LT3083 provides a wide output voltage range, high output current capability, and excellent line and load regulation, making it suitable for various applications in power management.

Manufacturer

The LT3083EQ#PBF is manufactured by Analog Devices, Inc. Analog Devices is a global company specializing in the design and manufacturing of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company serves various markets, including communications, automotive, industrial, and consumer electronics. Analog Devices is particularly known for its precision components and solutions that enhance performance in electronic systems. The LT3083 is a low-dropout (LDO) linear voltage regulator, demonstrating the company's commitment to providing high-quality analog solutions for power management applications.

Application

The LT3083EQ#PBF is a low-dropout (LDO) voltage regulator primarily used in applications requiring precision voltage regulation. Common areas include power supplies for analog and digital circuits, instrumentation, RF and communication systems, automotive electronics, and battery-powered devices. Its low noise and high power supply rejection ratio make it suitable for sensitive applications like audio equipment and sensor interfaces.

Equivalent

The LT3083EQ#PBF is a low dropout linear regulator. Equivalent products include the LM1084, LM1117, and MCP1825. Additionally, consider the LT1763 and MIC2941 for similar performance. Always verify specifications for current, voltage, and package compatibility.