LNK454DG Power Integrations Integrated Circuit (Small Outline Packages) In Stock
Power Integrations LNK454DG is a LinkSwitch-TN off-line switcher IC in a compact SOP-7/8 package, integrating a 700 V MOSFET for non-isolated AC-DC power supplies up to 7 W. EcoSmart technology keeps no-load standby power below 30 mW, satisfying global energy efficiency regulations across a universal 85 VAC to 265 VAC input range. Available from authorized distributors worldwide with fast shipping and competitive pricing.
- Manufacturer
- Power Integrations
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- LNK454DG Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Integrated 700 V power MOSFET eliminates an external high-voltage switch, simplifying non-isolated flyback and buck converter designs
- EcoSmart no-load power below 30 mW meets CEC and EU standby energy efficiency standards without additional circuitry
- Auto-restart protection responds to overcurrent, short-circuit, and open-loop faults, enhancing power supply reliability with no extra components
- Universal AC input range from 85 VAC to 265 VAC in a compact SOP-7/8 footprint supports worldwide single-design deployment
Applications
The LNK454DG is designed for non-isolated AC-DC power supplies in consumer appliances, smart home devices, IoT sensors, and industrial controls requiring up to 7 W output. Its integrated 700 V MOSFET and EcoSmart architecture enable single-chip charger stages, standby power supplies, and LED driver circuits that comply with strict global energy efficiency regulations. Engineers also deploy it in metering equipment, white goods, and wearable chargers where minimal component count and ultra-low standby consumption are essential.
Specifications
| YTEOL | 0 |
| Input Characteristics | STANDARD |
| Interface IC Type | LED DISPLAY DRIVER |
| JESD-30 Code | R-PDSO-G7 |
| JESD-609 Code | e3 |
| Multiplexed Display Capability | NO |
| Number of Functions | 1 |
| Number of Segments | 2 |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP7/8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Surface Mount | YES |
| Terminal Finish | MATTE TIN |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What output power and input voltage range does the LNK454DG support in a typical AC-DC design?
The LNK454DG supports a universal input range of 85 VAC to 265 VAC and delivers up to 7 W of output power in a non-isolated flyback or buck topology. Its integrated 700 V MOSFET and approximately 66 kHz switching frequency simplify external component selection and reduce transformer size in compact AC-DC converter designs.
Which end-product applications benefit most from using the LNK454DG off-line switcher?
Smart home devices, LED lighting controllers, IoT gateway sensors, and white goods that require a compact non-isolated AC-DC supply up to 7 W benefit most from the LNK454DG. Its standby power below 30 mW and auto-restart fault protection make it ideal for always-on supplies in consumer electronics subject to energy efficiency regulations.
When should a designer choose LNK454DG over a higher-power LinkSwitch-TN variant?
The LNK454DG is the right choice for applications needing up to 7 W output where cost efficiency and low standby power below 30 mW are priorities. Designs requiring more than 10 W should consider LinkSwitch-II or LinkSwitch-HP variants, which integrate higher-current MOSFETs and improved thermal management in larger packages for increased output headroom.
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About Power Integrations
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