离线控制器 / PFC
ADI 公司的功率因数校正(PFC)控制器和离线稳压器系列提供大于 0.97 的功率因数校正，最大程度降低了电磁干扰，可兼容大多数谐波电流发射要求，可将功率开关损耗降至最低以提高效率并提供集成极少外部元件的单级 PFC 稳压器解决方案。我们的功率因数校正控制器还包括温度补偿基准电压源、高增益误差放大器、电流检测比较器和高电流图腾柱输出状态，非常适合驱动功率 MOSFET。
产品选型表
离线控制器 / PFC
| SortOrder | Part# | Min Operating Threshold (typ) (V) | Vin Range | Frequency (typ) (Hz) | Features | Comments | Isupply (typ) (A) | Price (1000+) ($ US) |
|---|---|---|---|---|---|---|---|---|
| 1 | LT8312 | 10 | 10V to 38V | 400k | Active PFC | Boost Controller with Power Factor Correction | 8m | $2.25 (LT8312EMS#PBF) |
| 2 | LT3798 | 10 | 10V to 38V, 42V Shunt (DC), 90V to 265V (AC) | 150k | Active PFC, No Opto Isolator | Isolated No Opto-Coupler Flyback Controller with Active PFC | 1.3m | $2.25 (LT3798EMSE#PBF) |
| 3 | ADP1048 | - | - | - | - | Digital Power Factor Correction Controller with accurate AC Power Metering | - | $3.60 (ADP1048ARQZ-R7) |
| 4 | ADP1047 | - | - | - | - | Digital Power Factor Correction Controller with accurate AC Power Metering | - | $3.00 (ADP1047ARQZ-R7) |
| 5 | LTC3799-1 | 24.2 | 24V Shunt (DC), 90V to 265V (AC) | 300k | Active PFC, No Opto Isolator | Offline Isolated Flyback LED Controller with Active PFC, not designed for use with TRIAC dimmer | 70µ | $2.25 (LT3799EMSE-1#PBF) |
| 6 | LT3799 | 24.2 | 24V Shunt (DC), 90V to 265V (AC) | 300k | Active PFC, No Opto Isolator | Offline Isolated Flyback LED Controller with Active PFC, Offline 4W to 100W+ LED Application | 70µ | $2.25 (LT3799EMSE#PBF) |
| 7 | LT1509 | 15.5 | 11.5V to 25V | 300k | - | Power Factor and PWM Controller | 19m | $3.95 (LT1509CN#PBF) |
| 8 | LT1249 | 15.5 | 11.5V to 25V | 200k | Active PFC | Power Factor Controller | 1.5m | $3.25 (LT1249CN8#PBF) |
| 9 | LT1248 | 15.5 | 11.5V to 25V | 200k | Active PFC | Power Factor Controller | 1.5m | $3.60 (LT1248CN#PBF) |
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