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ISL6730BEVAL1Z Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL6730BEVAL1Z Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 19 page 1 Power Factor Correction Controllers ISL6730A, ISL6730B, ISL6730C, ISL6730D The ISL6730A, ISL6730B, ISL6730C, ISL6730D are active Power Factor Correction (PFC) controller ICs that use a boost topology. The controllers are suitable for AC/DC power systems, up to 2kW and over the universal line input. The ISL6730A, ISL6730B, ISL6730C, ISL6730D operate in Continuous Conduction Mode (CCM). Accurate input current shaping is achieved with a current error amplifier. A patent pending breakthrough negative capacitance technology minimizes zero crossing distortion and reduces the magnetic components size. The small external components result in a low cost design without sacrificing performance. The internally clamped 12.5V gate driver delivers 1.5A peak current to the external power MOSFET. The ISL6730A, ISL6730B, ISL6730C, ISL6730D provide a highly reliable system that is fully protected. Protection features include cycle-by-cycle overcurrent, over power limit, over-temperature, input brownout, output overvoltage and undervoltage protection. The ISL6730A, ISL6730B provide excellent power efficiency and transitions into a power saving skip mode during light load conditions, thus improving efficiency automatically. The ISL6730A, ISL6730B, ISL6730C, ISL6730D can be shut down by pulling the FB pin below 0.5V or grounding the BO pin. The ISL6730C, ISL6730D have no skip mode. Two switching frequency options are provided. The ISL6730B, ISL6730D switch at 62kHz, and the ISL6730A, ISL6730C switch at 124kHz. Features • Reduce component size requirements - Enables smaller, thinner AC/DC adapters - Choke and cap size can be reduced - Lower cost of materials • Excellent power factor over line and load regulation - Internal current compensation - CCM Mode with Patent pending IP for smaller EMI filter •Better light load efficiency - Automatic pulse skipping - Programmable or automatic shutdown • High reliable design - Cycle-by-cycle current limit - Input average power limit - OVP and OTP protection - Input brownout protection • Small 10 Ld MSOP package Applications • Desktop computer AC/DC adaptor • Laptop computer AC/DC adaptor •TV AC/DC power supply •AC/DC brick converters FIGURE 1. TYPICAL APPLICATION FIGURE 2. PFC EFFICIENCY + ISL6730 VCC ISEN ICOMP VIN GATE GND FB BO VREG COMP VLINE VOUT VI OUTPUT POWER (W) ISL6730C ISL6730A, SKIP 100 95 60 65 70 90 85 80 75 0 20 40 60 80 100 TABLE 1. KEY DIFFERENCES IN FAMILY OF ISL6730 VERSION ISL6730A ISL6730B ISL6730C ISL6730D Switching Frequency 124kHz 62kHz 124kHz 62kHz Skip Mode Yes-Fixed Yes-Fixed No No August 8, 2013 FN8258.1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas LLC 2013. All Rights Reserved Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries. All other trademarks mentioned are the property of their respective owners. |
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