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L6615 Datasheet(PDF) 1 Page - STMicroelectronics |
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L6615 Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 20 page 1/20 L6615 July 2003 s SSI SPECS COMPLIANT s HIGH/LOW SIDE CURRENT SENSING s FULLY COMPATIBLE WITH REMOTE OUTPUT VOLTAGE SENSING s FULL DIFFERENTIAL LOW OFFSET CURRENT SENSE s 2.7V TO 22V VCC OPERATING RANGE s 32k Ω SHARE SENSE AMPLIFIER INPUT IMPEDANCE s HYSTERETIC UVLO APPLICATION s DISTRIBUTED POWER SYSTEMS s HIGH DENSITY DC-DC CONVERTERS s (N+1) REDUNDANT SYSTEMS, N UP TO 20 s SMPS FOR (WEB) SERVERS DESCRIPTION This controller IC is specifically designed to achieve load sharing of paralleled and indepen- dent power supply modules in distributed power systems, by adding only few external components. Current sharing is achieved through a single wire connection (share bus) common to all of the paral- leled modules. DIP8 SO8 ORDERING NUMBERS: L6615N L6615D L6615DTR(T & Reel) HIGH/LOW SIDE LOAD SHARE CONTROLLER TYPICAL APPLICATION DIAGRAM CS- CGA CS+ VCC ADJ SHARE GND COMP 3 2 4 1 5 6 7 8 L6615 +OUT GND PS #1 C C R C R CGA R ADJ R SENSE CS- CGA CS+ VCC ADJ SHARE GND COMP 3 2 4 1 5 6 7 8 L6615 +OUT +OUT_S -OUT_S -OUT PS #N C C R C R CGA R ADJ R SENSE +OUT +OUT_S -OUT_S -OUT R G1 R G2 R G1 R G2 SHARE BUS LOAD ( * ) OR-ing FET can be used to reduce power dissipation ( * ) ( * ) CS- CGA CS+ VCC ADJ SHARE GND COMP 3 2 4 1 5 6 7 8 L6615 +OUT GND PS #1 C C R C R CGA R ADJ R SENSE CS- CGA CS+ VCC ADJ SHARE GND COMP 3 2 4 1 5 6 7 8 L6615 +OUT +OUT_S -OUT_S -OUT PS #N C C R C R CGA R ADJ R SENSE +OUT +OUT_S -OUT_S -OUT R G1 R G2 R G1 R G2 SHARE BUS LOAD CS- CGA CS+ VCC ADJ SHARE GND COMP 3 2 4 1 5 6 7 8 L6615 +OUT GND PS #1 C C R C R CGA R ADJ R SENSE CS- CGA CS+ VCC ADJ SHARE GND COMP 3 2 4 1 5 6 7 8 L6615 +OUT +OUT_S -OUT_S -OUT PS #N C C R C R CGA R ADJ R SENSE +OUT +OUT_S -OUT_S -OUT R G1 R G2 R G1 R G2 SHARE BUS LOAD ( * ) OR-ing FET can be used to reduce power dissipation ( * ) ( * ) BCD TECHNOLOGY |
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