LT1991 ABSOLUTE MAXIMUM RATINGS(Note 1) Specified Temperature Range (Note 5) Total Supply Voltage (V+ to V–) ..40V LT1991C ...–40°C to 85°C Input Voltage (Pins P1/M1, Note 2) ..±60V LT1991I ..–40°C to 85°C Input Voltage LT1991H ... –40°C to 125°C (Other Inputs Note 2) ..V+ + 0.2V to V– – 0.2V Maximum Junction Temperature Output Short-Circuit Duration (Note 3) ... Indefinite DD Package ... 125°C Operating Temperature Range (Note 4) MS Package ... 150°C LT1991C ...–40°C to 85°C Storage Temperature Range LT1991I ..–40°C to 85°C DD Package ... –65°C to 125°C LT1991H ... –40°C to 125°C MS Package ... –65°C to 150°C Lead Temperature (Soldering, 10 sec) ..300°C PIN CONFIGURATION TOP VIEW P1 1 10 M1 TOP VIEW P3 2 9 M3 P1 1 10 M1 P9 3 8 M9 P3 2 9 M3 P9 3 8 M9 VEE 4 7 VCC VEE 4 7 VCC REF 5 6 OUT REF 5 6 OUT MS PACKAGE DD PACKAGE 10-LEAD PLASTIC MSOP 10-LEAD (3mm × 3mm) PLASTIC DFN EXPOSED PAD CONNECTED TO V TJMAX = 150°C, qJA = 230°C/W EE PCB CONNECTION OPTIONAL TJMAX = 125°C, qJA = 43°C/W ORDER INFORMATION LEAD FREE FINISHTAPE AND REELPART MARKING* PACKAGE DESCRIPTIONSPECIFIED TEMPERATURE RANGE LT1991CDD#PBF LTCT1991CDD#TRPBF LBMM 10-Lead (3mm × 3mm) Plastic DFN 0°C to 70°C LT1991ACDD#PBF LT1991ACDD#TRPBF LBMM 10-Lead (3mm × 3mm) Plastic DFN 0°C to 70°C LT1991IDD#PBF LT1991IDD#TRPBF LBMM 10-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C LT1991AIDD#PBF LT1991AIDD#TRPBF LBMM 10-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C LT1991HDD#PBF LT1991HDD#TRPBF LBMM 10-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C LT1991CMS#PBF LT1991CMS#TRPBF LTQD 10-Lead Plastic MSOP 0°C to 70°C LT1991ACMS#PBF LT1991ACMS#TRPBF LTQD 10-Lead Plastic MSOP 0°C to 70°C LT1991IMS#PBF LT1991IMS#TRPBF LTQD 10-Lead Plastic MSOP –40°C to 85°C LT1991AIMS#PBF LT1991AIMS#TRPBF LTQD 10-Lead Plastic MSOP –40°C to 85°C LT1991HMS#PBF LT1991HMS#TRPBF LTQD 10-Lead Plastic MSOP –40°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *Temperature grades are identified by a label on the shipping container. Consult LTC Marketing for information on non-standard 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/ 1991fh 2 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts