LT1952/LT1952-1 ABSOLUTE MAXIMUM RATINGSPIN CONFIGURATION(Note 1) V TOP VIEW IN (Note 8) ... –0.3V to 25V SYNC, SS_MAXDC, SD_V COMP 1 16 SOUT SEC, ISENSE, OC ..– 0.3V to 6V COMP, BLANK, DELAY ...–0.3V to 3.5V FB 2 15 VIN FB ..–0.3V to 3V ROSC 3 14 OUT R SYNC 4 13 PGND OSC ... –50µA V SS_MAXDC 5 12 DELAY REF ..–10mA VREF 6 11 OC Operating Junction Temperature Range (Notes 2, 5) SD_VSEC 7 10 I E-, I-Grades ...–40°C to 125°C SENSE GND 8 9 BLANK MP-Grade .. –55°C to 125°C Storage Temperature Range ...–65°C to 150°C GN PACKAGE 16-LEAD PLASTIC SSOP Lead Temperature (Soldering, 10 sec) .. 300°C TJMAX = 125°C, qJA = 110°C/W, qJC = 40°C/W ORDER INFORMATION LEAD FREE FINISHTAPE AND REELPART MARKINGPACKAGE DESCRIPTIONTEMPERATURE RANGE LT1952EGN#PBF LT1952EGN#TRPBF 1952 16-Lead Plastic SSOP –40°C to 125°C LT1952IGN#PBF LT1952IGN#TRPBF 1952I 16-Lead Plastic SSOP –40°C to 125°C LT1952MPGN#PBF LT1952MPGN#TRPBF 1952 16-Lead Plastic SSOP –55°C to 125°C LT1952EGN-1#PBF LT1952EGN-1#TRPBF 19521 16-Lead Plastic SSOP –40°C to 125°C LT1952IGN-1#PBF LT1952IGN-1#TRPBF 1952I1 16-Lead Plastic SSOP –40°C to 125°C LT1952MPGN-1#PBF LT1952MPGN-1#TRPBF 19521 16-Lead Plastic SSOP –55°C to 125°C LEAD BASED FINISHTAPE AND REELPART MARKINGPACKAGE DESCRIPTIONTEMPERATURE RANGE LT1952EGN LT1952EGN#TR 1952 16-Lead Plastic SSOP –40°C to 125°C LT1952IGN LT1952IGN#TR 1952I 16-Lead Plastic SSOP –40°C to 125°C LT1952MPGN LT1952MPGN#TR 1952 16-Lead Plastic SSOP –55°C to 125°C LT1952EGN-1 LT1952EGN-1#TR 19521 16-Lead Plastic SSOP –40°C to 125°C LT1952IGN-1 LT1952IGN-1#TR 1952I1 16-Lead Plastic SSOP –40°C to 125°C LT1952MPGN-1 LT1952MPGN-1#TR 19521 16-Lead Plastic SSOP –55°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/ 19521fe 2 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Timing Diagram Block Diagram Operation Applications Information Typical Applications Revision History Package Description Related Parts