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. Rev. D 2 For more information www.analog.com Document Outline Features Applications Typical Application Description 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
