LNK457KG Power Integrations

LNK457KG electronic component of Power Integrations Images are for reference only, See Product Specifications

X-On Electronics has gained recognition as a prominent supplier of LNK457KG LED Lighting Drivers across the USA, India, Europe, Australia, and various other global locations. LNK457KG LED Lighting Drivers are a product manufactured by Power Integrations. We provide cost-effective solutions for LED Lighting Drivers, ensuring timely deliveries around the world.

Part No. LNK457KG
Manufacturer: Power Integrations
Category: LED Lighting Drivers
Description: LED Lighting Drivers LED DrvrTRIAC Dim 8 W (85-265 VAC)
Datasheet: LNK457KG Datasheet (PDF)
Price (USD)
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Obsolete

Availability 0
MOQ : 1
Multiples : 1
QtyUnit Price
1$ 2.835
100$ 1.0422
1000$ 0.9267
10000$ 0.8554
N/A

Obsolete
   
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We are delighted to provide the LNK457KG from our LED Lighting Drivers category, at competitive rates not only in the United States, Australia, and India, but also across Europe and beyond. A long established and extensive electronic component distribution network has enhanced our global reach and dependability, ensuring cost savings through prompt deliveries worldwide. Client satisfaction is at the heart of our business, where every component counts and every customer matters. Our technical service team is ready to assist you. From product selection to after-sales support, we strive to deliver a seamless and satisfying experience. Are you ready to experience the best in electronic component distribution? Contact X-ON Electronics today and discover why X-On are a preferred choice for the LNK457KG and other electronic components in the LED Lighting Drivers category and beyond.

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LED Lighting Drivers LED DrvrTRIAC Dim 8 W (85-265 VAC)
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LED Lighting Drivers LED DrvrTRIAC Dim 11.5 W (85-265 VAC)
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LED Lighting Drivers LED DrvrTRIAC Dim 8 W 85-265 VAC
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LNK454/456-458/460 LinkSwitch-PL Family LED Driver IC with TRIAC Dimming, Single-Stage PFC and Constant Current Control for Non-Isolated Applications Product Highlights Dramatically Simplifies Off-line LED Drivers Flicker-free phase-controlled TRIAC dimming Single-stage power factor correction and accurate constant current (CC) output Very low component count with small non-electrolytic bulk capacitor for compact replacement lamp designs AC IN LinkSwitch-PL D Compact SO8, eSOP, and eDIP packages CONTROL Completely eliminates control loop compensation BP S FB Advanced Performance Features Optimized for non-isolated flyback designs Frequency jitter greatly reduces EMI filter size and costs Low dissipation direct sensing of LED current PI-5835-060710 Advanced Protection and Safety Features Figure 1. Basic Application Schematic. Cycle skipping regulation for abnormally low output power to clamp peak output current delivered Output Power Table 725 V integrated power MOSFET allows small bulk capacitance 85-265 VAC and maximizes power capability 2 Product Minimum Output Maximum Output Short-circuit, overload, open feedback and output overvoltage 1 Power Power protection LNK454D 1.5 W 3 W Hysteretic thermal shutdown LNK456D 3 W 6 W Meets high-voltage creepage between DRAIN and all other pins LNK457D/K/V 4 W 8 W both on PCB and at package LNK458K/V 6 W 11.5 W EcoSmart - Energy Efficient LNK460K/V 8 W 16 W High power factor optimizes system lumen per input VA Table 1. Output Power Table. Control algorithm balances switching and conduction losses Notes: 1. Maximum practical continuous power in an open frame design with adequate over line and load to maintain optimum efficiency heat sinking, measured at +50 C ambient (see Key Applications Considerations for more information). Description 2. Packages: D: SO-8C, K: eSOP-12, V: eDIP-12. The LinkSwitch-PL family enables a very small and low cost Output Current single-stage power factor corrected constant current driver for solid state lighting. Optimized for direct LED current sensing, the Number of 350 mA 500 mA 700 mA 1000 mA LinkSwitch-PL operates over a wide input voltage range delivering Serial LEDs an output power of up to 16 W. The LinkSwitch-PL control 1 LNK454 LNK454 LNK454 LNK456 algorithm provides flicker-free TRIAC dimming with minimal 2 LNK454 LNK456 LNK456 LNK457 external components. 3 LNK456 LNK456 LNK457 LNK458 4 LNK456 LNK457 LNK458 LNK460 Each device incorporates a 725 V rated power MOSFET, a novel 5 LNK457 LNK458 LNK460 discontinuous mode variable frequency variable on-time controller, 6 LNK457 LNK458 LNK460 frequency jitter, cycle-by-cycle current limit and hysteretic thermal 7 LNK458 LNK460 shutdown in a monolithic 4-pin IC, available in SO-8C, eSOP-12, 8 LNK458 LNK460 and eDIP-12 packages. 9 LNK458 LNK460 10 LNK460 11 LNK460 12 LNK460 Figure 2. Device Selection Based on Length of Output LED Series String and Current. A Typical Voltage Drop of 3.5 V per LED is Assumed. www.powerint.com October 2011LNK454/456-458/460 DRAIN (D) REGULATOR BYPASS (BP) 5.85 V UV 4.9 V I I + LIM LIM V I LIM CURRENT LIMIT SOA SOA Q SET S STATE MACHINE V FB(SK) + Q CLR R UV + V FB(LO) Zero Crossing + PHASE V DAC I REF FB MEASUREMENT V Z LIM 1 A DIGITAL FILTER + AUTO-RESTART FEEDBACK (FB) INTEGRATOR Update INC/DEC CLK SET S Q FREQUENCY/ DUTY CYCLE CONTROLLER R CLR Q ON-TIME EXTENSION SOURCE (S) PI-5893-091010 Figure 2. Functional Block Diagram. Pin Functional Description D Package (SO-8C) DRAIN (D) Pin: High-voltage power MOSFET drain connection. The internal 8 1 FB S Exposed Pad (On Bottom) start-up bias current is drawn from this pin through a switched Internally Connected to 7 2 S high-voltage current source. Drain current sensing and BP SOURCE Pin 6 K Package associated controller functions are also performed using this pin. S (eSOP-12) 4 5 SOURCE (S) Pin: D S NC 1 12 S Power MOSFET source connection. Ground reference for FB 2 11 S BYPASS and FEEDBACK pins. BP 3 10 S BYPASS (BP) Pin: NC 4 9 S Connection point for the external bypass capacitor for the 8 S internally generated 5.85 V supply. D 6 7 S Exposed Pad Internally Connected to SOURCE Pin FEEDBACK (FB) Pin: V Package (eDIP-12) LED current sensing pin. During normal operation the 290 mV threshold determines the average value of the current flowing S 12 1 NC through the load sense resistor. S 11 2 FB S 10 3 BP A second threshold clamps excessive output current ripple. 4 NC S 9 A third higher threshold is used to protect against output S 8 short-circuit and overvoltage conditions (see Figure 5). S 7 6 D PI-5836a-061311 Figure 3. Pin Configuration (Top View). 2 Rev. C 10/11 www.powerint.com

Tariff Desc

8542.39.23 No ..Linear/analogue and peripheral integrated circuits, timers, voltage regulators, A/D and D/A converters, telecommunication and modem integrated circuits, other than board level products Free

Electronic integrated circuits- Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
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