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LNK305PN IC AC-DC Offline Switcher IC
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Rs.
66.08 (inc GST)
Rs.56.00 + GSTQty :
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Quantity Pricing (inc GST)
5 + 60.77 15 + 55.93 30 + 51.45
GST Invoice on all Purchase. So you will be eligible to take input tax credit. |
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LNK305PN IC AC-DC Offline Switcher IC
LNK305PN IC Energy efficient off line switcher IC
LNK305PN is specifically designed to replace all linear and capacitor-fed (cap dropper) non-isolated power supplies in the under 360 mA output current range at equal system cost while offering much higher performance and energy efficiency.
LNK305PN IC integrates a 700 V 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 LNK305 IC safely limits output power during fault conditions such as short-circuit or open loop,reducing component count and system-level load protection cost. A local supply provided by the IC allows use of a nonsafety graded optocoupler acting as a level shifter to further enhance line and load regulation performance in buck and buck-boost converters, if required.
LNK305PN AD-DC offline switcher IC combines a high-voltage power MOSFET switch with a power supply controller in one device. Unlike conventional PWM (pulse width modulator) controllers, LinkSwitch-TN uses a simple ON/OFF control to regulate the output voltage. The LinkSwitch-TN controller consists of an oscillator, feedback (sense and logic) circuit, 5.8 V regulator, BYPASS pin undervoltage circuit, over-temperature protection, frequency jittering, current limit circuit, leading edge blanking and a 700 V power MOSFET. The LNK305PN AC-DC Off Line Switcher IC incorporates additional circuitry for auto-restart.
DNA Solutions deals in retail and bulk quantity. We have various values of AC/DC Switching converter IC's. Check our complete collection of AC DC converter and offline Switcher IC's.
LNK305PN IC integrates a 700 V 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 LNK305 IC safely limits output power during fault conditions such as short-circuit or open loop,reducing component count and system-level load protection cost. A local supply provided by the IC allows use of a nonsafety graded optocoupler acting as a level shifter to further enhance line and load regulation performance in buck and buck-boost converters, if required.
DNA Solutions deals in retail and bulk quantity. We have various values of AC/DC Switching converter IC's. Check our complete collection of AC DC converter and offline Switcher IC's.
If you are in Nashik you can buy this Electronic Component at our local shop at New CBS, Nashik or you can place order online and get it delivered at your doorstep anywhere in India. |
Features of LNK305PN offline switcher IC
- Fully integrated auto-restart for short-circuit and open loop fault protection – saves external component costs
- Uses a simplified controller without auto-restart for very low system cost
- 66 kHz operation with accurate current limit – allows low cost off-the-shelf 1 mH inductor for up to 120 mA output current
- Tight tolerances and negligible temperature variation
- High breakdown voltage of 700 V provides excellent input surge withstand
- Frequency jittering dramatically reduces EMI (~10 dB)
- Minimizes EMI filter cost
- High thermal shutdown temperature (+135 °C minimum)
- 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 VAC to 265 VAC)
- Built-in current limit and hysteretic thermal protection
- Higher efficiency than passive solutions
- Higher power factor than capacitor-fed solutions
Applications of LNK305PN AC-DC Offline Switcher IC
- Appliances and timers
- LED drivers and industrial controls
Package Includes
1 x LNK305PN IC AC-DC Offline Switcher IC
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