LT3066EMSE-5#PBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
The LT3066EMSE-5#PBF is a fixed 5 V output LDO linear voltage regulator from Analog Devices supporting 1.8 V to 45 V input range with 0.5 A output current and 0.3 V typical dropout voltage in MSOP-12 package. From $3.50 in stock with worldwide shipping.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 12
- Lifecycle
- ACTIVE
- Datasheet
- LT3066EMSE-5#PBF 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-5#PBF?
- Fixed 5 V output with ultra-low 0.3 V typical dropout voltage, enabling regulation with inputs as low as 5.6 V
- Wide 1.8 V to 45 V input voltage range covering automotive, industrial, and multi-rail system requirements
- 0.5 A continuous output current in compact MSOP-12 package for space-constrained PCB designs
- Excellent line and load regulation with on-chip thermal shutdown and current limiting for robust protection
- RoHS-compliant lead-free construction meeting international environmental compliance standards
What is LT3066EMSE-5#PBF used for?
The LT3066EMSE-5#PBF is ideal for post-regulator applications in automotive and industrial systems where the input rail can swing from 5.6 V to 45 V and a stable 5 V at up to 0.5 A is required. Its low 0.3 V dropout voltage makes it suitable for battery-backed systems and always-on sensor supply rails where efficiency is critical. The MSOP-12 package allows integration into compact power management modules for data acquisition, instrumentation, and communication equipment.
What are the specifications of LT3066EMSE-5#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1666 |
| YTEOL | 10 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.51V |
| Dropout Voltage1-Nom | 0.3V |
| Input Voltage Absolute-Max | 50V |
| Input Voltage-Max | 45V |
| Input Voltage-Min | 5.6V |
| JESD-30 Code | R-PDSO-G12 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.03% |
| Load Regulation-Max | 0.033% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Output Current1-Max | 0.5A |
| Output Voltage1-Max | 5.1V |
| Output Voltage1-Min | 4.9V |
| Output Voltage1-Nom | 5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Tolerance-Max | 2% |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Thailand |
Where can I find the LT3066EMSE-5#PBF datasheet?
LT3066EMSE-5#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LT3066EMSE-5#PBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the output voltage and maximum current of the LT3066EMSE-5#PBF, and how low can the dropout voltage go?
The LT3066EMSE-5#PBF provides a fixed 5 V output at up to 0.5 A continuous current with a typical dropout voltage of only 0.3 V and a maximum of 0.51 V. This means the input voltage can be as low as 5.6 V while maintaining regulated 5 V output, reducing power dissipation compared to standard LDOs.
How does the LT3066EMSE-5#PBF's 45 V input rating benefit automotive or industrial power supply designs?
With an absolute maximum input voltage of 50 V and a specified operating range up to 45 V, the LT3066EMSE-5#PBF survives automotive load-dump transients and industrial bus voltage spikes that would destroy lower-rated regulators. This eliminates the need for a separate protective clamp circuit, reducing bill-of-materials cost and board area in 12 V to 24 V automotive and 24 V to 36 V industrial systems.
For a compact PCB layout, what PCB area does the MSOP-12 package of the LT3066EMSE-5#PBF require compared to SOT-223 alternatives?
The MSOP-12 package occupies approximately 29 mm² of PCB area (4.9 mm × 3.0 mm footprint), significantly smaller than a SOT-223 package at around 18 mm² but with 12 pins versus 4, providing additional function pins for enable and programming. This makes it suitable for high-density power sections where a full SOT-223 thermal pad is unnecessary at 0.5 A output current.
When would an engineer choose the LT3066EMSE-5#PBF over a switching regulator for 5 V post-regulation?
The LT3066EMSE-5#PBF is preferred over a switching regulator when low output noise is critical, such as in RF front-end bias supplies or precision ADC reference rails, since LDOs produce no switching noise. At input voltages close to 5.6 V with 0.5 A load, the power dissipation is only about 0.3 W, making thermal management straightforward in space-constrained enclosures without a heat sink.
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Why Buy from FindMyChip
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.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $7.3800 | $7.38 |
| 10+ | $4.9200 | $49.20 |
| 19+ | $3.7000 | $70.30 |
| 500+ | $3.3100 | $1655.00 |
| 1000+ | $2.7900 | $2790.00 |
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