Datasheet LTC3122 (Analog Devices) - 2

LTC3122
absoluTe MaxiMuM raTings (Note 1)
VIN Voltage .. –0.3V to 6V All Other Pins ... –0.3V to 6V VOUT Voltage .. –0.3V to 18V Operating Junction Temperature Range (Notes 3, 4) SW Voltage (Note 2) .. –0.3V to 18V LTC3122E/LTC3122I .. –40°C to 125°C SW Voltage (Pulsed < 100ns) (Note 2) ... –0.3V to 19V LTC3122H .. –40°C to 150°C VC, RT Voltage .. –0.3V to VCC Storage Temperature Range .. –65°C to 150°C CAP Voltage MSE Lead Temperature (Soldering, 10sec) ...300°C VOUT < 5.7V ..–0.3V to (VOUT + 0.3V) 5.7V ≤ VOUT ≤ 11.7V..(VOUT – 6V) to (VOUT + 0.3V) VOUT > 11.7V ...(VOUT – 6V) to 12V
pin conFiguraTion
TOP VIEW SW 1 12 CAP TOP VIEW PGND 2 11 V SW 1 OUT 12 CAP PGND 2 11 VOUT VIN 3 10 13 SGND V 3 IN 13 10 SGND PGND PWM/SYNC 4 9 SD PWM/SYNC 4 PGND 9 SD V 5 CC 8 FB VCC 5 8 FB RT 6 7 VC RT 6 7 VC MSE PACKAGE 12-LEAD PLASTIC MSOP DE PACKAGE 12-LEAD (4mm × 3mm) PLASTIC DFN T JMAX = 150°C, θJA = 40°C/W (NOTE 5), θJC = 10°C/W EXPOSED PAD (PIN 13) IS PGND, TJMAX = 125°C, θJA = 43°C/W (NOTE 5), θJC = 5°C/W MUST BE SOLDERED TO PCB FOR RATED THERMAL PERFORMANCE EXPOSED PAD (PIN 13) IS PGND, MUST BE SOLDERED TO PCB FOR RATED THERMAL PERFORMANCE
orDer inForMaTion LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3122EDE#PBF LTC3122EDE#TRPBF 3122 12-Lead (4mm × 3mm) Plastic DFN –40°C to 125°C LTC3122IDE#PBF LTC3122IDE#TRPBF 3122 12-Lead (4mm × 3mm) Plastic DFN –40°C to 125°C LTC3122EMSE#PBF LTC3122EMSE#TRPBF 3122 12-Lead Plastic MSOP –40°C to 125°C LTC3122IMSE#PBF LTC3122IMSE#TRPBF 3122 12-Lead Plastic MSOP –40°C to 125°C LTC3122HMSE#PBF LTC3122HMSE#TRPBF 3122 12-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/ 3122fa 2 For more information www.linear.com/LTC3122 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 Typical Application Related Parts