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LNK414E Dataheets PDF



Part Number LNK414E
Manufacturers Power Integrations
Logo Power Integrations
Description LinkSwitch-PH LED Driver IC
Datasheet LNK414E DatasheetLNK414E Datasheet (PDF)

This product is not recommended for new designs. LNK403-410/413-420 LinkSwitch-PH LED Driver IC Family Single-Stage PFC, Primary-Side Constant Current Control and TRIAC Dimming/Non-Dimming Options Product Highlights Dramatically Simplifies Off-line LED Drivers • Single-stage combination of power factor correction and accurate constant-current (CC) output • Enables very long lifetime designs (no electrolytic capacitors) • Eliminates optocoupler and all secondary current control circuitry • E.

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This product is not recommended for new designs. LNK403-410/413-420 LinkSwitch-PH LED Driver IC Family Single-Stage PFC, Primary-Side Constant Current Control and TRIAC Dimming/Non-Dimming Options Product Highlights Dramatically Simplifies Off-line LED Drivers • Single-stage combination of power factor correction and accurate constant-current (CC) output • Enables very long lifetime designs (no electrolytic capacitors) • Eliminates optocoupler and all secondary current control circuitry • Eliminates control loop compensation circuitry • Simple primary-side PWM dimming interface • Universal input voltage range • LNK403-410 optimized for flicker-free TRIAC dimming EcoSmart™ – Energy Efficient • Single-stage PFC combined with output CC control • Greatly increases efficiency, >90% achievable • Reduces component count • No current sense resistors • Low standby power remote ON/OFF feature (<50 mW at 230 VAC) Accurate and Consistent Performance • Compensates for transformer inductance variations • Compensates for line input voltage variation • Frequency jittering greatly reduces EMI filter size and cost Advanced Protection and Safety Features • Auto-restart for short-circuit protection • Open circuit fault detection mode • Automatic thermal shutdown restart with hysteresis • Meets high voltage creepage requirement between DRAIN and all other signal pins both on PCB and at package Green Package • Halogen free and ROHS compliant package Applications • Off-line LED driver Description The LinkSwitch™-PH dramatically simplifies implementation of LED drivers requiring long lifetime, high efficiency, PF >0.9, and TRIAC dimming capability (LNK403-410). The single-stage combined power factor and constant-current controller eliminates a switching stage and the electrolytic bulk capacitor. The advanced primary-side control used by the LinkSwitch-PH device provides accurate constant current control while eliminating the need for an optocoupler and current sensing circuits. RV AC IN D V LinkSwitch-PH CONTROL BP S R FB Figure 1. Typical Application Schematic. PI-6543-082211 Output Power Table1,2 Product 5 LNK403/413E/L LNK404/414E/L LNK405/415E/L LNK406/416E/L LNK407/417E/L LNK408/418E/L LNK409/419E/L LNK410/420E/L RV = 2 MW 85-132 VAC Minimum Output Power 3 Maximum Output Power 4 2.5 W 4.5 W 2.5 W 5.5 W 3.8 W 7.0 W 4.5 W 8.0 W 5.5 W 10 W 6.8 W 13.5 W 8.0 W 20 W 18 W 31 W RV = 4 MW 85-308 VAC Minimum Output Power 3 Maximum Output Power 4 6.5 W 12 W 6.5 W 15 W 8.5 W 18 W 10 W 22 W 12 W 25 W 16 W 35 W 18 W 50 W 40 W 78 W Table 1. Output Power Table. Notes: 1. Continuous power in an open frame with adequate heat sinking at device local ambient of 70 °C. 2. Power level calculated on typical LED string voltage with efficiency >80%. 3. 4. 5. MPMaiancxikmimaugumem: oeouSutIpPtpu-u7ttCppo,owewSeeIrPrw-w7itFiht.hCCBBPP==1100m0Fm. F. LNK4x3EG CBP = 10 mF. LinkSwitch-PH incorporates a 725 V power FET,.


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