Datasheet LT3970 (Analog Devices) - 2

LT3970 Series
absoluTe maximum raTings (Note 1)
VIN, EN Voltage ...40V Operating Junction Temperature Range (Note 2) BOOST Pin Voltage ...55V E-, I-grade .. –40°C to 125°C BOOST Pin Above SW Pin ...30V H-grade .. –40°C to 150°C FB/VOUT, RT Voltage ..6V Storage Temperature Range ... –65°C to 150°C PG, BD Voltage ...30V Lead Temperature (Soldering, 10 sec) MS Only .. 300°C
pin conFiguraTion
TOP VIEW *FB/VOUT 1 10 RT TOP VIEW EN 2 9 PG *FB/VOUT 1 10 RT 11 EN 2 9 PG VIN 3 8 BD GND VIN 3 8 BD GND 4 7 BOOST GND 4 7 BOOST GND 5 6 SW GND 5 6 SW MS PACKAGE DDB PACKAGE 10-LEAD PLASTIC MSOP 10-LEAD (3mm × 2mm) PLASTIC DFN θJA = 100°C/W θJA = 76°C/W EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB *FB for LT3970, VOUT for LT3970-3.3, LT3970-3.42, LT3970-5.
orDer inFormaTion LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3970EDDB#PBF LT3970EDDB#TRPBF LFCZ 10-Lead (3mm × 2mm) Plastic DFN –40°C to 125°C LT3970IDDB#PBF LT3970IDDB#TRPBF LFCZ 10-Lead (3mm × 2mm) Plastic DFN –40°C to 125°C LT3970EMS#PBF LT3970EMS#TRPBF LTFDB 10-Lead Plastic MSOP –40°C to 125°C LT3970IMS#PBF LT3970IMS#TRPBF LTFDB 10-Lead Plastic MSOP –40°C to 125°C LT3970HMS#PBF LT3970HMS#TRPBF LTFDB 10-Lead Plastic MSOP –40°C to 150°C LT3970EDDB-3.3#PBF LT3970EDDB-3.3#TRPBF LFQH 10-Lead (3mm × 2mm) Plastic DFN –40°C to 125°C LT3970IDDB-3.3#PBF LT3970IDDB-3.3#TRPBF LFQH 10-Lead (3mm × 2mm) Plastic DFN –40°C to 125°C LT3970EMS-3.3#PBF LT3970EMS-3.3#TRPBF LTFQG 10-Lead Plastic MSOP –40°C to 125°C LT3970IMS-3.3#PBF LT3970IMS-3.3#TRPBF LTFQG 10-Lead Plastic MSOP –40°C to 125°C LT3970HMS-3.3#PBF LT3970HMS-3.3#TRPBF LTFQG 10-Lead Plastic MSOP –40°C to 150°C LT3970EDDB-3.42#PBF LT3970EDDB-3.42#TRPBF LGGG 10-Lead (3mm × 2mm) Plastic DFN –40°C to 125°C LT3970EDDB-5#PBF LT3970EDDB-5#TRPBF LFQF 10-Lead (3mm × 2mm) Plastic DFN –40°C to 125°C LT3970IDDB-5#PBF LT3970IDDB-5#TRPBF LFQF 10-Lead (3mm × 2mm) Plastic DFN –40°C to 125°C LT3970EMS-5#PBF LT3970EMS-5#TRPBF LTFQD 10-Lead Plastic MSOP –40°C to 125°C LT3970IMS-5#PBF LT3970IMS-5#TRPBF LTFQD 10-Lead Plastic MSOP –40°C to 125°C LT3970HMS-5#PBF LT3970HMS-5#TRPBF LTFQD 10-Lead Plastic MSOP –40°C to 150°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 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/ 3970fc 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 Related Parts