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LNK406 Datasheet(PDF) 1 Page - Power Integrations, Inc. |
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LNK406 Datasheet(HTML) 1 Page - Power Integrations, Inc. |
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LNK403-409/413-419 LinkSwitch-PH LED Driver IC Family www.powerint.com August 2011 Single-Stage PFC, Primary-Side Constant Current Control and TRIAC Dimming/Non-Dimming Options ™ Output Power Table1,2 Product5 R V = 2 MW R V = 4 MW 85-132 VAC 85-308 VAC Minimum Output Power3 Maximum Output Power4 Minimum Output Power3 Maximum Output Power4 LNK403/413E/L 2.5 W 4.5 W 6.5 W 12 W LNK404/414E/L 2.5 W 5.5 W 6.5 W 15 W LNK405/415E/L 3.8 W 7.0 W 8.5 W 18 W LNK406/416E/L 4.5 W 8.0 W 10 W 22 W LNK407/417E/L 5.5 W 10 W 12 W 25 W LNK408/418E/L 6.8 W 13.5 W 16 W 35 W LNK409/419E/L 8.0 W 20 W 18 W 50 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. Minimum output power with C BP = 10 mF. 4. Maximum output power with C BP = 100 mF. LNK4x3EG CBP = 10 mF. 5. Package: eSIP-7C, eSIP-7F. 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 • LNK403-409 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 (LNK403-409). 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. LinkSwitch-PH incorporates a 725 V power FET, a continuous- mode PWM controller, a high voltage switched current source for self biasing, frequency jittering, protection circuitry including cycle-by-cycle current limit and hysteretic thermal shutdown. Figure 2. Package Options. eSIP-7F (L Package) eSIP-7C (E Package) Figure 1. Typical Application Schematic. PI-6543-082211 LinkSwitch-PH AC IN D S BP V FB R CONTROL RV |
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