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ADI LT3081EDF#PBFRoHS

Manufacturer
ADI
MPN
LT3081EDF#PBF
LCSC Part #
C670315
Packaging
DFN-12-EP(4x4)
Customer #
Key Attributes
1.5A Single Resistor Rugged Linear Regulator with Monitors
Datasheetpdf iconADI LT3081EDF#PBF
In-Stock: 52
52 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 14.5775$ 13.1198$ 13.12
10+$ 13.9115$ 12.5204$ 125.20
30+$ 12.7577$ 11.4820$ 344.46
100+$ 11.7514$ 10.5763$ 1057.63
Standard Packaging91/Full Tube
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
ManufacturerADI
PackagingDFN-12-EP(4x4)
Output Voltage0V~34.5V
Number of Outputs1
Operating Temperature-40℃~+125℃@(Tj)
Supply Current (Iq)5mA
Output ConfigurationPositive
Operating Voltage36V
Output Current1.5A
Output TypeAdjustable
FeaturesAdjustable current limiting;Reverse polarity voltage protection;Reverse-polarity current protection;Short Circuit Protection;Thermal shutdown;Over Current Protection
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging91
Sales UnitPiece

Introduction

AI Translation

The LT3081 is a 1.5A low dropout linear regulator designed for rugged industrial applications. Key features of the IC are the extended safe operating area (SOA), output current monitor, temperature monitor and programmable current limit. The LT3081 can be paralleled for higher output current or heat spreading. The device withstands reverse input and reverse output-to-input voltages without reverse current flow.

The LT3081’s precision 50µA reference current source allows a single resistor to program output voltage to any level between zero and 34.5V. The current reference architecture makes load regulation independent of output voltage. The LT3081 is stable with or without input and output capacitors.

The output current monitor (I₀₊ₜ/5000) and die junction temperature output (1µA/℃) provide system monitoring and debug capability. In addition, a single resistor programs current limit.

Internal protection circuitry includes reverse-battery and reverse-current protection, current limiting and thermal limiting. The LT3081 is offered in the 16-lead TSSOP (with exposed pad for improved thermal performance), 7-lead TO-220, 7-lead DD-Pak, and an 12-lead 4mm x 4mm DFN.

Features

AI Translation
  • Extended Safe Operating Area
  • Maximum Output Current: 1.5A
  • Stable with or without Input/Output Capacitors
  • Wide Input Voltage Range: 1.2V to 36V
  • Single Resistor Sets Output Voltage
  • Output Current Monitor: I₀₊ₜ/5000
  • Junction Temperature Monitor: 1µA/°C
  • Output Adjustable to 0V
  • 50µA SET Pin Current: 1% Initial Accuracy
  • Output Voltage Noise: 27µV RMS
  • Parallel Multiple Devices for Higher Current or Heat Spreading
  • Programmable Current Limit
  • Reverse-Battery and Reverse-Current Protection
  • <1mV Load Regulation Typical Independent of VOUT
  • <0.001 %/V Line Regulation Typical
  • Available in Thermally-Enhanced 12-Lead 4mm × 4mm DFN and 16-Lead TSSOP, 7-Lead DD-Pak and 7-Lead TO-220

Applications

AI Translation
  • All Surface Mount Power Supply
  • Rugged Industrial Power Supply
  • Post Regulator for Switching Supplies
  • Low Output Voltage Supply
  • Intrinsic Safety Applications