LTC3805-5 ABSOLUTE MAXIMUM RATINGS (Note 1) VCC to GND OC, ISENSE .. –0.3V to 1V Low Impedance Source .. –0.3V to 8.8V Operating Junction Temperature Range Current Fed ..25mA into VCC* (Notes 2, 3) ... –55°C to 150°C SYNC ... –0.3V to 6V Storage Temperature Range ..–65°C to 150°C SSFLT... –0.3V to 5V Lead Temperature (Soldering, 10 sec) FB, ITH, FS ... –0.3V to 3.5V MSE Package ..300°C RUN ... –0.3V to 18V *LTC3805-5 internal clamp circuit regulates VCC voltage to 9.5V PIN CONFIGURATION TOP VIEW TOP VIEW SSFLT 1 10 GATE SSFLT 1 10 GATE ITH 2 9 VCC ITH 2 9 V 11 CC FB 3 8 OC FB 3 11 8 OC RUN 4 7 I RUN 4 7 ISENSE SENSE FS 5 6 SYNC FS 5 6 SYNC MSE PACKAGE 10-LEAD PLASTIC MSOP DD PACKAGE 10-LEAD (3mm × 3mm) PLASTIC DFN TJMAX = 125°C, θJA = 45°C/W EXPOSED PAD (PIN 11) IS GND, MUST BE CONNECTED TO GND TJMAX = 125°C, θJA = 45°C/W EXPOSED PAD (PIN 11) IS GND, MUST BE CONNECTED TO GND ORDER INFORMATIONLEAD FREE FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LTC3805EMSE-5#PBF LTC3805EMSE-5#TRPBF LTDGX 10-Lead Plastic MSOP –40°C to 85°C LTC3805IMSE-5#PBF LTC3805IMSE-5#TRPBF LTDGX 10-Lead Plastic MSOP –40°C to 125°C LTC3805HMSE-5#PBF LTC3805HMSE-5#TRPBF LTDGX 10-Lead Plastic MSOP –40°C to 150°C LTC3805MPMSE-5#PBF LTC3805MPMSE-5#TRPBF LTDGX 10-Lead Plastic MSOP –55°C to 150°C LTC3805EDD-5#PBF LTC3805EDD-5#TRPBF LDHB 10-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C LTC3805IDD-5#PBF LTC3805IDD-5#TRPBF LDHB 10-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Consult LTC Marketing for information on lead based finish parts. 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/ 38055fe 2 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration order information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts