LT3799EMSE-1#PBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
Analog Devices LT3799EMSE-1#PBF is an offline isolated flyback LED controller with active power factor correction, supporting wide input voltage range and precise LED current regulation. Features integrated PFC control, valley switching, and open/short LED protection in a compact 16-pin MSOP package. Available in stock with worldwide shipping.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- LT3799EMSE-1#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.1300(MOQ 1)
- Temp Range
- ?°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LT3799EMSE-1#PBF?
- Active Power Factor Correction (PFC) with valley switching reduces THD and meets IEC 61000-3-2 Class C requirements
- Isolated flyback topology supports wide AC input voltage range for universal offline LED driver designs
- Integrated open-circuit and short-circuit LED protection with accurate constant-current output regulation
- Compact 16-pin MSOP package enables high-density PCB layouts for LED lighting applications
What is LT3799EMSE-1#PBF used for?
The LT3799EMSE-1#PBF is well suited for offline LED lighting systems including LED bulbs, LED tubes, and LED luminaires that require mains isolation and power factor correction. Its active PFC capability makes it ideal for commercial and industrial LED drivers that must comply with energy efficiency regulations. The device also fits retrofit lamp designs and architectural lighting controllers operating from 85 VAC to 265 VAC universal mains input.
What are the specifications of LT3799EMSE-1#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1667 |
| YTEOL | 10 |
| Interface IC Type | LED DISPLAY DRIVER |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e3 |
| Multiplexed Display Capability | NO |
| Number of Functions | 1 |
| Number of Segments | 6 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP16,.19,20 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Voltage-Nom | 18V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | OTHER |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| 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 | Malaysia |
Where can I find the LT3799EMSE-1#PBF datasheet?
LT3799EMSE-1#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LT3799EMSE-1#PBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range does the LT3799EMSE-1#PBF support for offline LED driving?
The LT3799EMSE-1#PBF is designed for universal offline operation, supporting AC input voltages from approximately 85 VAC to 265 VAC. Its active PFC stage maintains high power factor across this range, making it suitable for worldwide deployment in commercial LED lighting applications without hardware modifications.
How does the valley switching feature in LT3799EMSE-1#PBF improve efficiency in flyback LED drivers?
Valley switching in the LT3799EMSE-1#PBF reduces switching losses by turning on the power MOSFET at the lowest drain voltage point during the resonant ring-down, which can cut switching losses by up to 50% compared to hard switching at full voltage. This technique improves overall driver efficiency and reduces EMI at operating frequencies above 50 kHz.
Which protection features does the LT3799EMSE-1#PBF include to safeguard LED strings?
The LT3799EMSE-1#PBF integrates both open-circuit LED protection and short-circuit LED protection. If the LED string opens, the controller detects the loss of feedback and shuts down safely. Short-circuit protection limits output current to prevent damage, ensuring reliable long-term operation in street lighting and industrial luminaire designs with 1 A to 3 A output current ranges.
Is LT3799EMSE-1#PBF a suitable alternative to LT3799EMSE#PBF for stricter PFC compliance designs?
Yes. The LT3799EMSE-1#PBF is a pin-compatible variant of the LT3799EMSE#PBF optimized for designs that require tighter harmonic compliance with IEC 61000-3-2 Class C at power levels above 25 W. Both share the 16-pin MSOP package and identical footprint, so switching between variants requires only compensation component adjustments rather than PCB layout changes.
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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.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $8.0200 | $8.02 |
| 10+ | $5.3720 | $53.72 |
| 19+ | $4.1500 | $78.85 |
| 500+ | $3.7000 | $1850.00 |
| 1000+ | $3.1300 | $3130.00 |
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