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Description
POWER INTEGRATIONS LNK305PN IC, OFF LINE SWITCHER, 175MA, 280MAThe LNK305PN is a LinkSwitch TN lowest component count, energy efficient off line Switcher, specifically designed to replace all linear and capacitor fed (cap dropper) non isolated power supplies in the under 360mA output current range at equal system cost while offering much higher performance and energy efficiency. LinkSwitch TN devices integrate a 700V power MOSFET, oscillator, simple on off control scheme, a high voltage switched current source,
The LNK305PN is a LinkSwitch-TN lowest component count, energy-efficient off-line Switcher, specifically designed to replace all linear and capacitor-fed (cap dropper) non-isolated power supplies in the under 360mA output current range at equal system cost while offering much higher performance and energy efficiency. LinkSwitch-TN devices integrate a 700V power MOSFET, oscillator, simple on/off control scheme, a high-voltage switched current source, frequency jittering, cycle-by-cycle current limit and thermal shutdown circuitry onto a monolithic IC. The start-up and operating power are derived directly from the voltage on the DRAIN pin, eliminating the need for a bias supply and associated circuitry in buck or flyback converters. The fully integrated auto-restart circuit in the LNK304-306 safely limits output power during fault conditions such as short-circuit or open loop, reducing component count and system-level load protection cost.
- Lowest Component Count Buck Converter Solution
- Fully integrated Auto-restart for Short-circuit and open loop fault protection saves component costs
- 66kHz Operation with accurate current limit, allows low cost Off-the-shelf 1mH Inductor
- Tight Tolerances and Negligible Temperature Variation
- High Breakdown Voltage of 700V Provides Excellent Input Surge Withstand
- Frequency Jittering Dramatically Reduces EMI (~10dB)
- High Thermal Shutdown Temperature (+135�C Minimum)
- Much Higher Performance over Discrete Buck and Passive Solutions
- Supports Buck, Buck-boost and Flyback Topologies
- System Level Thermal Overload, Output Short-circuit and Open Control Loop Protection
- Excellent Line and Load Regulation Even with Typical Configuration
- High Bandwidth Provides Fast Turn-on with No Overshoot
- Current Limit Operation Rejects Line Ripple
- Universal Input Voltage Range (85 to 265VAC)
- Built-in Current Limit and Hysteretic Thermal Protection
- Higher Efficiency than Passive Solutions
- Higher Power Factor than Capacitor-fed Solutions
- Entirely Manufacturable in SMD
- EcoSmart� - Extremely Energy Efficient
- Consumes typically 50/80mW in self-powered buck topology at 115/230VAC input with no-load
Applications
Consumer Electronics, Clock & Timing, LED Lighting, Industrial, Automation & Process Control
Warnings
Maximum ratings specified may be applied, one at a time, without causing permanent damage to the product.
Product details
| Operating Temperature Min | -40�C |
| Input Voltage AC Max | 265V |
| Operating Temperature Max | 150�C |
| No. of Pins | 8Pins |
| Input Voltage AC Min | 85V |
| Product Range | LNK305 |
| Topology | Buck, Buck-Boost, Flyback |
| AC / DC Converter Case Style | DIP |
| Power Rating | - |
| Packaging | Cut Tape |
| MSL | MSL 1 - Unlimited |
Other details
| Brand | POWER INTEGRATIONS |
| Part Number | LNK305PN |
| Quantity | Each |
| Technical Data Sheet EN |
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. Image is for illustrative purposes only. Please refer to product description.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.3 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 5
Great for softening and conditioning “private” hair!!
Scent: Palo Santo
I’m not trying to shock an offend anybody, but this is a secret I think other women would want to know. A couple of years ago, I was walking down an aisle at the drug store, looking for some way to condition and soften my increasingly graying “girl beard” and I bought Cremo oil thinking if it can work for men’s beards then why can’t it work on other hair. I tried it and I’ve been using it ever since. It immediately softens and conditions and smells incredible. I’m sure that Cremo never envisioned it being used this way but, then again, it all depends what or who’s “beard” you’re talking about doesn’t it? Just saying. Maybe Cremo should start a line for intimate hair called “Private Reserve.” 🤔
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
★★★★★ 5
Great Price, Last Long, Thick Consistency Smells Great
Scent: Casked Vanilla, Scent: Casked Vanilla
This Casked Vanilla Cremo Beard oil is great. I apply one dropper usually after a shower with a damp beard. To me it absorbs better that way. It doesn’t cause me any skin irritation, the longevity of it last pretty much all day and doesn’t loose smell or consistency and I’m outside for work everyday. Also moisturizing texture it has (whew) Great. Will definitely buy another scent maybe or stick with this one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 31, 2026
★★★★★ 5
Works Great
Scent: Casked Vanilla
Keeps beard soft and smells good!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
★★★★★ 4
Nice, clean and subtle
Scent: Palo Santo
Nice. Reminds me the smell of getting out of a shower. Fresh soap. With notes of juniper. I'm no expert, but for me, it's nice, clean but subtle. As I have been wearing this product a few weeks now, my smell has gotten acclimated. So not sure how long it lasts.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 7, 2026
★★★★★ 5
Works great, smells great, love this stuff
Scent: Palo Santo
Works good, smells good, leaves my beard moisturized and feeling fresh. Also helps the skin from dehydration from providing the hair all the moisture instead of your skin
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2026
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