Transcription of Transition-mode PFC controller - STMicroelectronics
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Transition-mode PFC controller - STMicroelectronics
L6562. Transition-mode PFC controller . 1 Features Figure 1. Packages REALISED IN BCD TECHNOLOGY. Transition-mode CONTROL OF PFC PRE- REGULATORS. PROPRIETARY MULTIPLIER DESIGN FOR DIP-8 SO-8. MINIMUM THD OF AC INPUT current . VERY PRECISE ADJUSTABLE OUTPUT Table 1. Order Codes OVERVOLTAGE PROTECTION Part Number Package ULTRA-LOW ( 70 A) START-UP current L6562N DIP-8. LOW ( 4 mA) QUIESCENT current . L6562D SO-8. EXTENDED IC SUPPLY VOLTAGE RANGE. L6562 DTR Tape & Reel ON-CHIP FILTER ON current SENSE. DISABLE FUNCTION. DESKTOP PC, MONITOR) UP TO 300W.
The L6562 is a current-mode PFC controller oper-ating in Transition Mode (TM). Pin-to-pin compati-ble with the predecessor L6561, it offers improved performance. TRANSITION-MODE PFC CONTROLLER Figure 2. Block Diagram +-MULTIPLIER AND THD OPTIMIZER VREF2 OVERVOLTAGE DETECTION VOLTAGE REGULATOR UVLO INTERNAL SUPPLY 7V + …
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