LT5554 ABSOLUTE MAXIMUM RATINGSPIN CONFIGURATION(Notes 1, 2) TOP VIEW Supply Voltage V PG1 GND PG2 PG3 GND PG4 GND GND CC ..6V Pin Voltages and Currents 32 31 30 29 28 27 26 25 GND 1 24 V OUT+, OUT– ..7V CC GND 2 23 ENB STROBE, PGx ..–0.5V to VCC DEC 3 22 GND ENB, MODE ...–0.5V to VCC IN+ 4 21 OUT– 33 IN+, IN–, DEC ... –0.5V to 4V IN– 5 20 OUT+ Operating Ambient Temperature Range DEC 6 19 GND LT5554 ... –40°C to +85°C GND 7 18 MODE GND 8 17 V Junction Temperature ... 125°C CC 9 10 11 12 13 14 15 16 Storage Temperature Range ... –65°C to +150°C PG5 GND PG6 PG0 GND GND GND STROBE UH PACKAGE 32-LEAD (5mm s 5mm) PLASTIC QFN TJMAX = 150°C, θJA = 34°C/W, θJC = 3°C/W EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB ORDER INFORMATIONLEAD FREE FINISHTAPE AND REELPART MARKINGPACKAGE DESCRIPTIONTEMPERATURE RANGE LT5554IUH#PBF LT5554IUH#TRPBF 5554 32-Lead (5mm × 5mm) Plastic QFN –40°C to 85°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based fi nish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/ 5554f 2
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