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L6562D 数据表(PDF) 1 Page - STMicroelectronics |
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L6562D 数据表(HTML) 1 Page - STMicroelectronics |
1 / 16 page 1/16 L6562 November 2005 1Features ■ REALISED IN BCD TECHNOLOGY ■ TRANSITION-MODE CONTROL OF PFC PRE- REGULATORS ■ PROPRIETARY MULTIPLIER DESIGN FOR MINIMUM THD OF AC INPUT CURRENT ■ VERY PRECISE ADJUSTABLE OUTPUT OVERVOLTAGE PROTECTION ■ ULTRA-LOW ( ≤70µA) START-UP CURRENT ■ LOW ( ≤4 mA) QUIESCENT CURRENT ■ EXTENDED IC SUPPLY VOLTAGE RANGE ■ ON-CHIP FILTER ON CURRENT SENSE ■ DISABLE FUNCTION ■ 1% (@ Tj = 25 °C) INTERNAL REFERENCE VOLTAGE ■ -600/+800mA TOTEM POLE GATE DRIVER WITH UVLO PULL-DOWN AND VOLTAGE CLAMP ■ DIP-8/SO-8 PACKAGES ECOPACK ® 1.1 APPLICATIONS ■ PFC PRE-REGULATORS FOR: – IEC61000-3-2 COMPLIANT SMPS (TV, DESKTOP PC, MONITOR) UP TO 300W – HI-END AC-DC ADAPTER/CHARGER – ENTRY LEVEL SERVER & WEB SERVER 2 Description 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 + - 2.5V R1 R2 R S Q + - DRIVER STARTER + - ZERO CURRENT DETECTOR DISABLE 2.1 V 1.6 V VCC 8 1 23 4 ZCD VCC INV COMP MULT CS GD 7 5 GND 6 25 V 40K 5pF 15 V Starter stop Rev. 8 Figure 1. Packages Table 1. Order Codes Part Number Package L6562N DIP-8 L6562D SO-8 L6562DTR Tape & Reel DIP-8 SO-8 |
类似零件编号 - L6562D |
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类似说明 - L6562D |
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