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LT3066EMSE-3.3#TRPBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock

The LT3066EMSE-3.3#TRPBF is a 45 V input, 500 mA fixed 3.3 V low-dropout linear regulator with 0.3 V typical dropout, programmable current limit, output discharge, and low noise performance in a 12-pin MSOP package. From $4.80 in stock worldwide shipping.

ACTIVEIntegrated CircuitVerified Jun 2026
Package / Visual Reference
LT3066EMSE-3.3#TRPBFSmall Outline Packages
Quick Facts
Manufacturer
Analog Devices
Package
Small Outline Packages
Pin Count
12
Lifecycle
ACTIVE
Datasheet
LT3066EMSE-3.3#TRPBF Datasheet PDF
Category
Integrated Circuit
Price
From $2.7900(MOQ 1)
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

What are the key features of LT3066EMSE-3.3#TRPBF?

  • Wide 3.9 V to 45 V input range with 0.3 V typical dropout supports automotive and industrial supply rails
  • Programmable current limit protects downstream circuits from overcurrent during fault conditions
  • Integrated output discharge function rapidly discharges load capacitors for fast power sequencing

What is LT3066EMSE-3.3#TRPBF used for?

The LT3066EMSE-3.3#TRPBF is designed for industrial automation, automotive electronics, and test equipment requiring a clean 3.3 V rail from high-voltage input supplies up to 45 V. Its programmable current limit and low-noise output make it suitable for powering FPGAs, ADCs, and RF modules in noise-sensitive measurement systems. The 500 mA output capacity and wide input range also serve motor driver pre-regulation and distributed power architectures in harsh environments.

What are the specifications of LT3066EMSE-3.3#TRPBF?

Pbfree CodeNo
Manufacturer Package Code05-08-1666
YTEOL10
AdjustabilityFIXED
Dropout Voltage1-Max0.51V
Dropout Voltage1-Nom0.3V
Input Voltage Absolute-Max50V
Input Voltage-Max45V
Input Voltage-Min3.9V
JESD-30 CodeR-PDSO-G12
JESD-609 Codee3
Line Regulation-Max0.0195%
Load Regulation-Max0.022%
Number of Functions1
Number of Outputs1
Operating Temperature TJ-Max125°C
Output Current1-Max0.5A
Output Voltage1-Max3.366V
Output Voltage1-Min3.234V
Output Voltage1-Nom3.3V
Package Body MaterialPLASTIC/EPOXY
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Packing MethodTR
Peak Reflow Temperature (Cel)260
Regulator TypeFIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Surface MountYES
TechnologyBIPOLAR
Terminal FinishMatte Tin (Sn) - annealed
Terminal FormGULL WING
Terminal Pitch0.65mm
Terminal PositionDUAL
Time@Peak Reflow Temperature-Max (s)30
Voltage Tolerance-Max2%
PackageSmall Outline Packages

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
Moisture Sensitivity LevelMSL 1
ECCNEAR99
HTS Code8542.39.00.01
Country of OriginThailand

Where can I find the LT3066EMSE-3.3#TRPBF datasheet?

LT3066EMSE-3.3#TRPBF Datasheet Download

Official datasheet from Analog Devices

What are equivalent replacements for LT3066EMSE-3.3#TRPBF?

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

What input voltage range does the LT3066EMSE-3.3#TRPBF accept and how does this support automotive designs?

The LT3066EMSE-3.3#TRPBF accepts input voltages from 3.9 V to 45 V, with an absolute maximum of 50 V, making it directly compatible with 12 V and 24 V automotive battery rails including load-dump transients. The fixed 3.3 V output with 0.3 V typical dropout provides a stable logic supply for CAN transceivers, microcontrollers, and sensor interfaces in automotive ECUs.

How does the programmable current limit in the LT3066EMSE-3.3#TRPBF protect sensitive downstream circuits?

The LT3066EMSE-3.3#TRPBF allows designers to set a specific current limit threshold using an external resistor, protecting FPGAs, ADCs, and RF components from overload currents exceeding 500 mA during fault conditions. This protection is particularly valuable in industrial test equipment where short-circuit events on the 3.3 V bus must not damage expensive downstream components.

In a power sequencing design, how does the LT3066EMSE-3.3#TRPBF's output discharge feature improve system reliability?

The integrated output discharge function in the LT3066EMSE-3.3#TRPBF actively discharges the output capacitor when the regulator is disabled, ensuring the 3.3 V rail ramps down predictably within microseconds rather than floating. This is essential for multi-rail power sequencing in FPGAs and SoCs that require supply voltages to reach near 0 V before reapplication, preventing logic latch-up and ensuring repeatable startup across 500 mA load conditions.

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About Analog Devices

Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.

View all Analog Devices parts →
AvailabilityIn Stock
Reference Price (USD)
From $2.7900
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
1+$3.9400$3.94
19+$3.7000$70.30
1000+$2.7900$2790.00
pcs
Unit price: $3.9400 · Total: $3.94

In Stock · 24h Response · Worldwide Shipping

Direct Contact
WhatsApp InquiryEmail RFQ
Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

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RP
Rajesh Patel
Procurement Manager, VoltEdge Energy, India

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