LT3080EQ#PBF

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Adjustable 1.1A Single Resistor Low Dropout Regulator

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LT3080EQ#PBF DataSheet

Pricing (USD)

Quantity Unit Price Ext. Price
1 $4.639 $4.64
10 $4.031 $40.31
30 $3.661 $109.83
100 $3.350 $335.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

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LT3080EQ#PBF Details

The LT3080EQ#PBF is a high precision voltage regulator from Analog Devices, designed for reliable operation in harsh environments. This device is ideal for industrial communication applications, featuring low dropout voltage and thermal shutdown protection. It is housed in a TO-263-6 package, making it suitable for compact circuit designs.

Pinout

  • 1 (Adj): Adjustable Input Pin
  • 2 (VOUT): Output Voltage Pin
  • 3 (GND): Ground Pin
  • 4 (VIN): Input Voltage Pin
  • 5 (EN): Enable Input Pin

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

  • High Precision Regulator: Provides high precision voltage regulation with a wide range of adjustment options from 1.2V to 36V.
  • Low Dropout Voltage: Designed for low dropout voltage and thermal shutdown protection, ensuring reliable operation in harsh environments.
  • Thermal Shutdown Protection: Offers thermal shutdown protection to prevent damage caused by overheating.

Applications

  • Industrial Automation: Suitable for industrial automation applications where high precision voltage regulation is required.
  • Aerospace and Defense: Used in aerospace and defense applications where reliable operation and thermal shutdown protection are critical.
  • Medical Equipment: Applied in medical equipment applications where high precision voltage regulation and low dropout voltage are essential.

Where to Use

The LT3080EQ#PBF is suitable for applications that require high precision voltage regulation, such as industrial automation, aerospace and defense, and medical equipment. It is ideal for systems where low dropout voltage and thermal shutdown protection are important.

How to Use

Connect the LT3080EQ#PBF to your power supply by wiring the VIN pin to the input voltage source. Ensure proper ground connections to GND. Use the EN pin to enable or disable the regulator. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the LT3080EQ#PBF illustrates how to connect the regulator to a power supply and load. It includes connections for input voltage, ground, and output voltage, ensuring proper operation and reliable voltage regulation.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

  • LT3081EQ#PBF: A similar high precision voltage regulator from Analog Devices offering comparable features and performance.
  • MAX1555: An alternative high precision voltage regulator from Maxim Integrated with equivalent functionality.

Complementary

The LT3080EQ#PBF can be complemented by the LT3081EQ#PBF, which offers additional features such as higher current handling and enhanced thermal shutdown protection, suitable for more demanding applications.

When selecting complementary regulators, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.

Frequently Asked Questions

Q: What is the maximum input voltage supported by the LT3080EQ#PBF?

A: The LT3080EQ#PBF supports a maximum input voltage of 36V. For more details, refer to the datasheet for specific operating conditions and limitations.

Q: Can the LT3080EQ#PBF be used in medical equipment applications?

A: Yes, the LT3080EQ#PBF is suitable for medical equipment applications where high precision voltage regulation and low dropout voltage are essential.

LT3080EQ#PBF

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Pbfree Code No Rohs Code No
Part Life Cycle Code Active Pin Count ! 5
Reach Compliance Code not_compliant Adjustability ADJUSTABLE
Dropout Voltage1-Max 0.5 V Dropout Voltage1-Nom 0.35 V
Input-Output Voltage Differential-Max 26 V Input-Output Voltage Differential-Min 1 V
JESD-30 Code R-PSSO-G5 JESD-609 Code e3
Length 10.2235 mm Moisture Sensitivity Level 1
Number of Functions 1 Number of Outputs 1
Number of Terminals 5 Operating Temperature TJ-Max 125 °C
Operating Temperature TJ-Min -40 °C Output Current1-Max 1.1 A
Output Voltage1-Max 36 V Package Body Material PLASTIC/EPOXY
Package Shape RECTANGULAR Package Style SMALL OUTLINE, HEAT SINK/SLUG
Peak Reflow Temperature (Cel) 260 Qualification Status ! Not Qualified
Regulator Type ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR Seated Height-Max 4.877 mm
Surface Mount ! YES Technology BIPOLAR
Terminal Finish MATTE TIN OVER NICKEL Terminal Form ! GULL WING
Terminal Pitch ! 1.702 mm Terminal Position SINGLE
Time@Peak Reflow Temperature-Max (s) 30 Width 8.89 mm

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification LT3080EQ#PBF PDF Download

FAQs

What is LT3080EQ#PBF?

The LT3080EQ#PBF is a high current, adjustable voltage linear regulator designed by Analog Devices. It is capable of sourcing up to 1.1A of output current with a dropout voltage of only 340mV typical. The device is ideal for applications requiring precise voltage regulation with high current capability.

How Does LT3080EQ#PBF Work?

The LT3080EQ#PBF operates as a linear voltage regulator that maintains a constant output voltage regardless of variations in input voltage or load current. By adjusting the feedback voltage, the device regulates the output voltage to the desired level. The LT3080EQ#PBF features a low dropout voltage, making it suitable for applications where the input voltage is close to the output voltage.

How Many Pins does LT3080EQ#PBF have and What are the Functions of the Pinout Configuration?

The LT3080EQ#PBF is housed in a TO-220 package with 3 pins. The pinout configuration includes:

  • ADJ: Adjust pin for setting the output voltage.
  • OUT: Output pin providing the regulated output voltage.
  • IN: Input pin for supplying the unregulated input voltage.

What are the Pros and Cons of LT3080EQ#PBF?

Pros:

  • High Current Capability: Able to source up to 1.1A of output current.
  • Low Dropout Voltage: Provides stable output voltage even with small voltage differentials.
  • Adjustable Output: Allows for easy setting of the desired output voltage.
  • Thermal Overload Protection: Includes features to protect the device from overheating.
  • Simple Interface: Requires minimal external components for operation.

Cons:

  • Heat Dissipation: May require additional heat sinking for high current applications.
  • Size: The TO-220 package may be relatively large for space-constrained designs.
  • Cost: Higher current linear regulators may have a higher cost compared to lower current alternatives.

Are There Any Equivalents/Alternatives to LT3080EQ#PBF for Recommendation?

  • The LM317 from Texas Instruments is a popular adjustable linear regulator with similar functionality.
  • Alternatives to the LT3080EQ#PBF include the LT1083 and LM338, both offering high current capabilities.

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